diff --git a/esphome/components/bang_bang/bang_bang_climate.cpp b/esphome/components/bang_bang/bang_bang_climate.cpp
index 45d5174390..ea1442755d 100644
--- a/esphome/components/bang_bang/bang_bang_climate.cpp
+++ b/esphome/components/bang_bang/bang_bang_climate.cpp
@@ -21,7 +21,7 @@ void BangBangClimate::setup() {
     restore->to_call(this).perform();
   } else {
     // restore from defaults, change_away handles those for us
-    this->mode = climate::CLIMATE_MODE_AUTO;
+    this->mode = climate::CLIMATE_MODE_HEAT_COOL;
     this->change_away_(false);
   }
 }
@@ -41,7 +41,7 @@ void BangBangClimate::control(const climate::ClimateCall &call) {
 climate::ClimateTraits BangBangClimate::traits() {
   auto traits = climate::ClimateTraits();
   traits.set_supports_current_temperature(true);
-  traits.set_supports_auto_mode(true);
+  traits.set_supports_heat_cool_mode(true);
   traits.set_supports_cool_mode(this->supports_cool_);
   traits.set_supports_heat_mode(this->supports_heat_);
   traits.set_supports_two_point_target_temperature(true);
@@ -50,7 +50,7 @@ climate::ClimateTraits BangBangClimate::traits() {
   return traits;
 }
 void BangBangClimate::compute_state_() {
-  if (this->mode != climate::CLIMATE_MODE_AUTO) {
+  if (this->mode != climate::CLIMATE_MODE_HEAT_COOL) {
     // in non-auto mode, switch directly to appropriate action
     //  - HEAT mode -> HEATING action
     //  - COOL mode -> COOLING action
diff --git a/esphome/components/climate/climate.h b/esphome/components/climate/climate.h
index cd69469692..3aa29be2fb 100644
--- a/esphome/components/climate/climate.h
+++ b/esphome/components/climate/climate.h
@@ -159,7 +159,7 @@ struct ClimateDeviceRestoreState {
  *
  * The entire state of the climate device is encoded in public properties of the base class (current_temperature,
  * mode etc). These are read-only for the user and rw for integrations. The reason these are public
- * is for simple access to them from lambdas `if (id(my_climate).mode == climate::CLIMATE_MODE_AUTO) ...`
+ * is for simple access to them from lambdas `if (id(my_climate).mode == climate::CLIMATE_MODE_HEAT_COOL) ...`
  */
 class Climate : public Nameable {
  public:
diff --git a/esphome/components/climate/climate_traits.cpp b/esphome/components/climate/climate_traits.cpp
index eda4722fcb..774ada785f 100644
--- a/esphome/components/climate/climate_traits.cpp
+++ b/esphome/components/climate/climate_traits.cpp
@@ -8,6 +8,8 @@ bool ClimateTraits::supports_mode(ClimateMode mode) const {
   switch (mode) {
     case CLIMATE_MODE_OFF:
       return true;
+    case CLIMATE_MODE_HEAT_COOL:
+      return this->supports_heat_cool_mode_;
     case CLIMATE_MODE_AUTO:
       return this->supports_auto_mode_;
     case CLIMATE_MODE_COOL:
@@ -31,6 +33,9 @@ void ClimateTraits::set_supports_two_point_target_temperature(bool supports_two_
   supports_two_point_target_temperature_ = supports_two_point_target_temperature;
 }
 void ClimateTraits::set_supports_auto_mode(bool supports_auto_mode) { supports_auto_mode_ = supports_auto_mode; }
+void ClimateTraits::set_supports_heat_cool_mode(bool supports_heat_cool_mode) {
+  supports_heat_cool_mode_ = supports_heat_cool_mode;
+}
 void ClimateTraits::set_supports_cool_mode(bool supports_cool_mode) { supports_cool_mode_ = supports_cool_mode; }
 void ClimateTraits::set_supports_heat_mode(bool supports_heat_mode) { supports_heat_mode_ = supports_heat_mode; }
 void ClimateTraits::set_supports_fan_only_mode(bool supports_fan_only_mode) {
diff --git a/esphome/components/climate/climate_traits.h b/esphome/components/climate/climate_traits.h
index f0a48ca308..f8e6f87306 100644
--- a/esphome/components/climate/climate_traits.h
+++ b/esphome/components/climate/climate_traits.h
@@ -46,6 +46,7 @@ class ClimateTraits {
   bool get_supports_two_point_target_temperature() const;
   void set_supports_two_point_target_temperature(bool supports_two_point_target_temperature);
   void set_supports_auto_mode(bool supports_auto_mode);
+  void set_supports_heat_cool_mode(bool supports_heat_cool_mode);
   void set_supports_cool_mode(bool supports_cool_mode);
   void set_supports_heat_mode(bool supports_heat_mode);
   void set_supports_fan_only_mode(bool supports_fan_only_mode);
@@ -100,6 +101,7 @@ class ClimateTraits {
   bool supports_current_temperature_{false};
   bool supports_two_point_target_temperature_{false};
   bool supports_auto_mode_{false};
+  bool supports_heat_cool_mode_{false};
   bool supports_cool_mode_{false};
   bool supports_heat_mode_{false};
   bool supports_fan_only_mode_{false};
diff --git a/esphome/components/climate_ir/climate_ir.cpp b/esphome/components/climate_ir/climate_ir.cpp
index 8f06ff2214..f88b2174ee 100644
--- a/esphome/components/climate_ir/climate_ir.cpp
+++ b/esphome/components/climate_ir/climate_ir.cpp
@@ -9,7 +9,7 @@ static const char *TAG = "climate_ir";
 climate::ClimateTraits ClimateIR::traits() {
   auto traits = climate::ClimateTraits();
   traits.set_supports_current_temperature(this->sensor_ != nullptr);
-  traits.set_supports_auto_mode(true);
+  traits.set_supports_heat_cool_mode(true);
   traits.set_supports_cool_mode(this->supports_cool_);
   traits.set_supports_heat_mode(this->supports_heat_);
   traits.set_supports_dry_mode(this->supports_dry_);
diff --git a/esphome/components/climate_ir_lg/climate_ir_lg.cpp b/esphome/components/climate_ir_lg/climate_ir_lg.cpp
index 983d33c0b1..d675883fcf 100644
--- a/esphome/components/climate_ir_lg/climate_ir_lg.cpp
+++ b/esphome/components/climate_ir_lg/climate_ir_lg.cpp
@@ -39,7 +39,7 @@ void LgIrClimate::transmit_state() {
     send_swing_cmd_ = false;
     remote_state |= COMMAND_SWING;
   } else {
-    if (mode_before_ == climate::CLIMATE_MODE_OFF && this->mode == climate::CLIMATE_MODE_AUTO) {
+    if (mode_before_ == climate::CLIMATE_MODE_OFF && this->mode == climate::CLIMATE_MODE_HEAT_COOL) {
       remote_state |= COMMAND_ON_AI;
     } else if (mode_before_ == climate::CLIMATE_MODE_OFF && this->mode != climate::CLIMATE_MODE_OFF) {
       remote_state |= COMMAND_ON;
@@ -52,7 +52,7 @@ void LgIrClimate::transmit_state() {
         case climate::CLIMATE_MODE_HEAT:
           remote_state |= COMMAND_HEAT;
           break;
-        case climate::CLIMATE_MODE_AUTO:
+        case climate::CLIMATE_MODE_HEAT_COOL:
           remote_state |= COMMAND_AUTO;
           break;
         case climate::CLIMATE_MODE_DRY:
@@ -89,7 +89,7 @@ void LgIrClimate::transmit_state() {
       }
     }
 
-    if (this->mode == climate::CLIMATE_MODE_AUTO) {
+    if (this->mode == climate::CLIMATE_MODE_HEAT_COOL) {
       this->fan_mode = climate::CLIMATE_FAN_AUTO;
       // remote_state |= FAN_MODE_AUTO_DRY;
     }
@@ -128,7 +128,7 @@ bool LgIrClimate::on_receive(remote_base::RemoteReceiveData data) {
   if ((remote_state & COMMAND_MASK) == COMMAND_ON) {
     this->mode = climate::CLIMATE_MODE_COOL;
   } else if ((remote_state & COMMAND_MASK) == COMMAND_ON_AI) {
-    this->mode = climate::CLIMATE_MODE_AUTO;
+    this->mode = climate::CLIMATE_MODE_HEAT_COOL;
   }
 
   if ((remote_state & COMMAND_MASK) == COMMAND_OFF) {
@@ -138,7 +138,7 @@ bool LgIrClimate::on_receive(remote_base::RemoteReceiveData data) {
         this->swing_mode == climate::CLIMATE_SWING_OFF ? climate::CLIMATE_SWING_VERTICAL : climate::CLIMATE_SWING_OFF;
   } else {
     if ((remote_state & COMMAND_MASK) == COMMAND_AUTO)
-      this->mode = climate::CLIMATE_MODE_AUTO;
+      this->mode = climate::CLIMATE_MODE_HEAT_COOL;
     else if ((remote_state & COMMAND_MASK) == COMMAND_DRY_FAN)
       this->mode = climate::CLIMATE_MODE_DRY;
     else if ((remote_state & COMMAND_MASK) == COMMAND_HEAT) {
@@ -152,7 +152,7 @@ bool LgIrClimate::on_receive(remote_base::RemoteReceiveData data) {
       this->target_temperature = ((remote_state & TEMP_MASK) >> TEMP_SHIFT) + 15;
 
     // Fan Speed
-    if (this->mode == climate::CLIMATE_MODE_AUTO) {
+    if (this->mode == climate::CLIMATE_MODE_HEAT_COOL) {
       this->fan_mode = climate::CLIMATE_FAN_AUTO;
     } else if (this->mode == climate::CLIMATE_MODE_COOL || this->mode == climate::CLIMATE_MODE_HEAT ||
                this->mode == climate::CLIMATE_MODE_DRY) {
diff --git a/esphome/components/coolix/coolix.cpp b/esphome/components/coolix/coolix.cpp
index e50521a348..012744b3e9 100644
--- a/esphome/components/coolix/coolix.cpp
+++ b/esphome/components/coolix/coolix.cpp
@@ -70,7 +70,7 @@ void CoolixClimate::transmit_state() {
       case climate::CLIMATE_MODE_HEAT:
         remote_state |= COOLIX_HEAT;
         break;
-      case climate::CLIMATE_MODE_AUTO:
+      case climate::CLIMATE_MODE_HEAT_COOL:
         remote_state |= COOLIX_AUTO;
         break;
       case climate::CLIMATE_MODE_FAN_ONLY:
@@ -89,7 +89,7 @@ void CoolixClimate::transmit_state() {
       } else {
         remote_state |= COOLIX_FAN_TEMP_CODE;
       }
-      if (this->mode == climate::CLIMATE_MODE_AUTO || this->mode == climate::CLIMATE_MODE_DRY) {
+      if (this->mode == climate::CLIMATE_MODE_HEAT_COOL || this->mode == climate::CLIMATE_MODE_DRY) {
         this->fan_mode = climate::CLIMATE_FAN_AUTO;
         remote_state |= COOLIX_FAN_MODE_AUTO_DRY;
       } else {
@@ -197,7 +197,7 @@ bool CoolixClimate::on_receive(remote_base::RemoteReceiveData data) {
     if ((remote_state & COOLIX_MODE_MASK) == COOLIX_HEAT)
       this->mode = climate::CLIMATE_MODE_HEAT;
     else if ((remote_state & COOLIX_MODE_MASK) == COOLIX_AUTO)
-      this->mode = climate::CLIMATE_MODE_AUTO;
+      this->mode = climate::CLIMATE_MODE_HEAT_COOL;
     else if ((remote_state & COOLIX_MODE_MASK) == COOLIX_DRY_FAN) {
       if ((remote_state & COOLIX_FAN_MASK) == COOLIX_FAN_MODE_AUTO_DRY)
         this->mode = climate::CLIMATE_MODE_DRY;
@@ -207,7 +207,7 @@ bool CoolixClimate::on_receive(remote_base::RemoteReceiveData data) {
       this->mode = climate::CLIMATE_MODE_COOL;
 
     // Fan Speed
-    if ((remote_state & COOLIX_FAN_AUTO) == COOLIX_FAN_AUTO || this->mode == climate::CLIMATE_MODE_AUTO ||
+    if ((remote_state & COOLIX_FAN_AUTO) == COOLIX_FAN_AUTO || this->mode == climate::CLIMATE_MODE_HEAT_COOL ||
         this->mode == climate::CLIMATE_MODE_DRY)
       this->fan_mode = climate::CLIMATE_FAN_AUTO;
     else if ((remote_state & COOLIX_FAN_MIN) == COOLIX_FAN_MIN)
diff --git a/esphome/components/cse7766/sensor.py b/esphome/components/cse7766/sensor.py
index 98cf4da96d..4ccb346efd 100644
--- a/esphome/components/cse7766/sensor.py
+++ b/esphome/components/cse7766/sensor.py
@@ -45,6 +45,9 @@ CONFIG_SCHEMA = (
     .extend(cv.polling_component_schema("60s"))
     .extend(uart.UART_DEVICE_SCHEMA)
 )
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "cse7766", baud_rate=4800, require_rx=True
+)
 
 
 async def to_code(config):
@@ -64,9 +67,3 @@ async def to_code(config):
         conf = config[CONF_POWER]
         sens = await sensor.new_sensor(conf)
         cg.add(var.set_power_sensor(sens))
-
-
-def validate(config, item_config):
-    uart.validate_device(
-        "cse7766", config, item_config, baud_rate=4800, require_tx=False
-    )
diff --git a/esphome/components/daikin/daikin.cpp b/esphome/components/daikin/daikin.cpp
index e0ffd46387..dca3bffbac 100644
--- a/esphome/components/daikin/daikin.cpp
+++ b/esphome/components/daikin/daikin.cpp
@@ -77,7 +77,7 @@ uint8_t DaikinClimate::operation_mode_() {
     case climate::CLIMATE_MODE_HEAT:
       operating_mode |= DAIKIN_MODE_HEAT;
       break;
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       operating_mode |= DAIKIN_MODE_AUTO;
       break;
     case climate::CLIMATE_MODE_FAN_ONLY:
@@ -131,7 +131,7 @@ uint8_t DaikinClimate::temperature_() {
   switch (this->mode) {
     case climate::CLIMATE_MODE_FAN_ONLY:
       return 0x32;
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
     case climate::CLIMATE_MODE_DRY:
       return 0xc0;
     default:
@@ -160,7 +160,7 @@ bool DaikinClimate::parse_state_frame_(const uint8_t frame[]) {
         this->mode = climate::CLIMATE_MODE_HEAT;
         break;
       case DAIKIN_MODE_AUTO:
-        this->mode = climate::CLIMATE_MODE_AUTO;
+        this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         break;
       case DAIKIN_MODE_FAN:
         this->mode = climate::CLIMATE_MODE_FAN_ONLY;
diff --git a/esphome/components/dfplayer/__init__.py b/esphome/components/dfplayer/__init__.py
index 6af83888ab..3cdfc8ab85 100644
--- a/esphome/components/dfplayer/__init__.py
+++ b/esphome/components/dfplayer/__init__.py
@@ -68,6 +68,9 @@ CONFIG_SCHEMA = cv.All(
         }
     ).extend(uart.UART_DEVICE_SCHEMA)
 )
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "dfplayer", baud_rate=9600, require_tx=True
+)
 
 
 async def to_code(config):
@@ -80,12 +83,6 @@ async def to_code(config):
         await automation.build_automation(trigger, [], conf)
 
 
-def validate(config, item_config):
-    uart.validate_device(
-        "dfplayer", config, item_config, baud_rate=9600, require_rx=False
-    )
-
-
 @automation.register_action(
     "dfplayer.play_next",
     NextAction,
diff --git a/esphome/components/fujitsu_general/fujitsu_general.cpp b/esphome/components/fujitsu_general/fujitsu_general.cpp
index 8671f38e8e..2e93a98e52 100644
--- a/esphome/components/fujitsu_general/fujitsu_general.cpp
+++ b/esphome/components/fujitsu_general/fujitsu_general.cpp
@@ -132,7 +132,7 @@ void FujitsuGeneralClimate::transmit_state() {
     case climate::CLIMATE_MODE_FAN_ONLY:
       SET_NIBBLE(remote_state, FUJITSU_GENERAL_MODE_NIBBLE, FUJITSU_GENERAL_MODE_FAN);
       break;
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
     default:
       SET_NIBBLE(remote_state, FUJITSU_GENERAL_MODE_NIBBLE, FUJITSU_GENERAL_MODE_AUTO);
       break;
@@ -343,7 +343,7 @@ bool FujitsuGeneralClimate::on_receive(remote_base::RemoteReceiveData data) {
       case FUJITSU_GENERAL_MODE_AUTO:
       default:
         // TODO: CLIMATE_MODE_10C is missing from esphome
-        this->mode = climate::CLIMATE_MODE_AUTO;
+        this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         break;
     }
 
diff --git a/esphome/components/gps/__init__.py b/esphome/components/gps/__init__.py
index de3eae1115..2867aa7325 100644
--- a/esphome/components/gps/__init__.py
+++ b/esphome/components/gps/__init__.py
@@ -62,6 +62,7 @@ CONFIG_SCHEMA = (
     .extend(cv.polling_component_schema("20s"))
     .extend(uart.UART_DEVICE_SCHEMA)
 )
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema("gps", require_rx=True)
 
 
 async def to_code(config):
@@ -95,7 +96,3 @@ async def to_code(config):
 
     # https://platformio.org/lib/show/1655/TinyGPSPlus
     cg.add_library("1655", "1.0.2")  # TinyGPSPlus, has name conflict
-
-
-def validate(config, item_config):
-    uart.validate_device("gps", config, item_config, require_tx=False)
diff --git a/esphome/components/hitachi_ac344/hitachi_ac344.cpp b/esphome/components/hitachi_ac344/hitachi_ac344.cpp
index b2798b608a..86f82d8bbb 100644
--- a/esphome/components/hitachi_ac344/hitachi_ac344.cpp
+++ b/esphome/components/hitachi_ac344/hitachi_ac344.cpp
@@ -155,7 +155,7 @@ void HitachiClimate::transmit_state() {
     case climate::CLIMATE_MODE_HEAT:
       set_mode_(HITACHI_AC344_MODE_HEAT);
       break;
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       set_mode_(HITACHI_AC344_MODE_AUTO);
       break;
     case climate::CLIMATE_MODE_FAN_ONLY:
@@ -251,7 +251,7 @@ bool HitachiClimate::parse_mode_(const uint8_t remote_state[]) {
         this->mode = climate::CLIMATE_MODE_HEAT;
         break;
       case HITACHI_AC344_MODE_AUTO:
-        this->mode = climate::CLIMATE_MODE_AUTO;
+        this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         break;
       case HITACHI_AC344_MODE_FAN:
         this->mode = climate::CLIMATE_MODE_FAN_ONLY;
diff --git a/esphome/components/http_request/__init__.py b/esphome/components/http_request/__init__.py
index 650602150a..f4475060df 100644
--- a/esphome/components/http_request/__init__.py
+++ b/esphome/components/http_request/__init__.py
@@ -2,6 +2,7 @@ import urllib.parse as urlparse
 
 import esphome.codegen as cg
 import esphome.config_validation as cv
+import esphome.final_validate as fv
 from esphome import automation
 from esphome.const import (
     CONF_ID,
@@ -14,7 +15,6 @@ from esphome.const import (
     CONF_URL,
 )
 from esphome.core import CORE, Lambda
-from esphome.core.config import PLATFORMIO_ESP8266_LUT
 
 DEPENDENCIES = ["network"]
 AUTO_LOAD = ["json"]
@@ -36,29 +36,6 @@ CONF_VERIFY_SSL = "verify_ssl"
 CONF_ON_RESPONSE = "on_response"
 
 
-def validate_framework(config):
-    if CORE.is_esp32:
-        return config
-
-    version = "RECOMMENDED"
-    if CONF_ARDUINO_VERSION in CORE.raw_config[CONF_ESPHOME]:
-        version = CORE.raw_config[CONF_ESPHOME][CONF_ARDUINO_VERSION]
-
-    if version in ["LATEST", "DEV"]:
-        return config
-
-    framework = (
-        PLATFORMIO_ESP8266_LUT[version]
-        if version in PLATFORMIO_ESP8266_LUT
-        else version
-    )
-    if framework < ARDUINO_VERSION_ESP8266["2.5.1"]:
-        raise cv.Invalid(
-            "This component is not supported on arduino framework version below 2.5.1"
-        )
-    return config
-
-
 def validate_url(value):
     value = cv.string(value)
     try:
@@ -92,19 +69,36 @@ def validate_secure_url(config):
     return config
 
 
-CONFIG_SCHEMA = (
-    cv.Schema(
-        {
-            cv.GenerateID(): cv.declare_id(HttpRequestComponent),
-            cv.Optional(CONF_USERAGENT, "ESPHome"): cv.string,
-            cv.Optional(
-                CONF_TIMEOUT, default="5s"
-            ): cv.positive_time_period_milliseconds,
-        }
-    )
-    .add_extra(validate_framework)
-    .extend(cv.COMPONENT_SCHEMA)
-)
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(HttpRequestComponent),
+        cv.Optional(CONF_USERAGENT, "ESPHome"): cv.string,
+        cv.Optional(CONF_TIMEOUT, default="5s"): cv.positive_time_period_milliseconds,
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+def validate_framework(config):
+    if CORE.is_esp32:
+        return
+
+    # only for ESP8266
+    path = [CONF_ESPHOME, CONF_ARDUINO_VERSION]
+    version: str = fv.full_config.get().get_config_for_path(path)
+
+    reverse_map = {v: k for k, v in ARDUINO_VERSION_ESP8266.items()}
+    framework_version = reverse_map.get(version)
+    if framework_version is None or framework_version == "dev":
+        return
+
+    if framework_version < "2.5.1":
+        raise cv.Invalid(
+            "This component is not supported on arduino framework version below 2.5.1",
+            path=[cv.ROOT_CONFIG_PATH] + path,
+        )
+
+
+FINAL_VALIDATE_SCHEMA = cv.Schema(validate_framework)
 
 
 async def to_code(config):
diff --git a/esphome/components/midea_ac/midea_climate.cpp b/esphome/components/midea_ac/midea_climate.cpp
index f98cf74ac1..481a6da54d 100644
--- a/esphome/components/midea_ac/midea_climate.cpp
+++ b/esphome/components/midea_ac/midea_climate.cpp
@@ -167,7 +167,7 @@ climate::ClimateTraits MideaAC::traits() {
   traits.set_visual_min_temperature(17);
   traits.set_visual_max_temperature(30);
   traits.set_visual_temperature_step(0.5);
-  traits.set_supports_auto_mode(true);
+  traits.set_supports_heat_cool_mode(true);
   traits.set_supports_cool_mode(true);
   traits.set_supports_dry_mode(true);
   traits.set_supports_heat_mode(true);
diff --git a/esphome/components/midea_ac/midea_frame.cpp b/esphome/components/midea_ac/midea_frame.cpp
index e90155bad3..0a09e86de7 100644
--- a/esphome/components/midea_ac/midea_frame.cpp
+++ b/esphome/components/midea_ac/midea_frame.cpp
@@ -8,9 +8,9 @@ const std::string MIDEA_SILENT_FAN_MODE = "silent";
 const std::string MIDEA_TURBO_FAN_MODE = "turbo";
 const std::string MIDEA_FREEZE_PROTECTION_PRESET = "freeze protection";
 
-const uint8_t QueryFrame::INIT[] = {0xAA, 0x22, 0xAC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x41, 0x00,
-                                    0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0x68};
+const uint8_t QueryFrame::INIT[] = {0xAA, 0x21, 0xAC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x41, 0x61,
+                                    0x00, 0xFF, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE3, 0xA8};
 
 const uint8_t PowerQueryFrame::INIT[] = {0xAA, 0x22, 0xAC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x41, 0x21,
                                          0x01, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -44,7 +44,7 @@ climate::ClimateMode PropertiesFrame::get_mode() const {
     return climate::CLIMATE_MODE_OFF;
   switch (this->pbuf_[12] >> 5) {
     case MIDEA_MODE_AUTO:
-      return climate::CLIMATE_MODE_AUTO;
+      return climate::CLIMATE_MODE_HEAT_COOL;
     case MIDEA_MODE_COOL:
       return climate::CLIMATE_MODE_COOL;
     case MIDEA_MODE_DRY:
@@ -61,7 +61,7 @@ climate::ClimateMode PropertiesFrame::get_mode() const {
 void PropertiesFrame::set_mode(climate::ClimateMode mode) {
   uint8_t m;
   switch (mode) {
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       m = MIDEA_MODE_AUTO;
       break;
     case climate::CLIMATE_MODE_COOL:
diff --git a/esphome/components/mitsubishi/mitsubishi.cpp b/esphome/components/mitsubishi/mitsubishi.cpp
index dbc70af75c..c9d0ce842e 100644
--- a/esphome/components/mitsubishi/mitsubishi.cpp
+++ b/esphome/components/mitsubishi/mitsubishi.cpp
@@ -33,7 +33,7 @@ void MitsubishiClimate::transmit_state() {
     case climate::CLIMATE_MODE_HEAT:
       remote_state[6] = MITSUBISHI_HEAT;
       break;
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       remote_state[6] = MITSUBISHI_AUTO;
       break;
     case climate::CLIMATE_MODE_OFF:
diff --git a/esphome/components/pid/pid_climate.cpp b/esphome/components/pid/pid_climate.cpp
index 24fb0ec905..0423ab27fc 100644
--- a/esphome/components/pid/pid_climate.cpp
+++ b/esphome/components/pid/pid_climate.cpp
@@ -20,7 +20,7 @@ void PIDClimate::setup() {
     restore->to_call(this).perform();
   } else {
     // restore from defaults, change_away handles those for us
-    this->mode = climate::CLIMATE_MODE_AUTO;
+    this->mode = climate::CLIMATE_MODE_HEAT_COOL;
     this->target_temperature = this->default_target_temperature_;
   }
 }
@@ -31,7 +31,7 @@ void PIDClimate::control(const climate::ClimateCall &call) {
     this->target_temperature = *call.get_target_temperature();
 
   // If switching to non-auto mode, set output immediately
-  if (this->mode != climate::CLIMATE_MODE_AUTO)
+  if (this->mode != climate::CLIMATE_MODE_HEAT_COOL)
     this->handle_non_auto_mode_();
 
   this->publish_state();
@@ -39,7 +39,7 @@ void PIDClimate::control(const climate::ClimateCall &call) {
 climate::ClimateTraits PIDClimate::traits() {
   auto traits = climate::ClimateTraits();
   traits.set_supports_current_temperature(true);
-  traits.set_supports_auto_mode(true);
+  traits.set_supports_heat_cool_mode(true);
   traits.set_supports_two_point_target_temperature(false);
   traits.set_supports_cool_mode(this->supports_cool_());
   traits.set_supports_heat_mode(this->supports_heat_());
@@ -121,14 +121,14 @@ void PIDClimate::update_pid_() {
         // keep autotuner instance so that subsequent dump_configs will print the long result message.
       } else {
         value = res.output;
-        if (mode != climate::CLIMATE_MODE_AUTO) {
+        if (mode != climate::CLIMATE_MODE_HEAT_COOL) {
           ESP_LOGW(TAG, "For PID autotuner you need to set AUTO (also called heat/cool) mode!");
         }
       }
     }
   }
 
-  if (this->mode != climate::CLIMATE_MODE_AUTO) {
+  if (this->mode != climate::CLIMATE_MODE_HEAT_COOL) {
     this->handle_non_auto_mode_();
   } else {
     this->write_output_(value);
diff --git a/esphome/components/rc522_spi/__init__.py b/esphome/components/rc522_spi/__init__.py
index 68b1e64145..77b0a99662 100644
--- a/esphome/components/rc522_spi/__init__.py
+++ b/esphome/components/rc522_spi/__init__.py
@@ -19,13 +19,12 @@ CONFIG_SCHEMA = cv.All(
     ).extend(spi.spi_device_schema(cs_pin_required=True))
 )
 
+FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
+    "rc522_spi", require_miso=True, require_mosi=True
+)
+
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await rc522.setup_rc522(var, config)
     await spi.register_spi_device(var, config)
-
-
-def validate(config, item_config):
-    # validate given SPI hub is suitable for rc522_spi, it needs both miso and mosi
-    spi.validate_device("rc522_spi", config, item_config, True, True)
diff --git a/esphome/components/rtttl/__init__.py b/esphome/components/rtttl/__init__.py
index 7f860fe3d7..e9453896ac 100644
--- a/esphome/components/rtttl/__init__.py
+++ b/esphome/components/rtttl/__init__.py
@@ -1,6 +1,7 @@
 import logging
 import esphome.codegen as cg
 import esphome.config_validation as cv
+import esphome.final_validate as fv
 from esphome import automation
 from esphome.components.output import FloatOutput
 from esphome.const import CONF_ID, CONF_OUTPUT, CONF_PLATFORM, CONF_TRIGGER_ID
@@ -36,12 +37,8 @@ CONFIG_SCHEMA = cv.Schema(
 ).extend(cv.COMPONENT_SCHEMA)
 
 
-def validate(config, item_config):
-    # Not adding this to FloatOutput as this is the only component which needs `update_frequency`
-
-    parent_config = config.get_config_by_id(item_config[CONF_OUTPUT])
-    platform = parent_config[CONF_PLATFORM]
-
+def validate_parent_output_config(value):
+    platform = value.get(CONF_PLATFORM)
     PWM_GOOD = ["esp8266_pwm", "ledc"]
     PWM_BAD = [
         "ac_dimmer ",
@@ -55,14 +52,25 @@ def validate(config, item_config):
     ]
 
     if platform in PWM_BAD:
-        raise ValueError(f"Component rtttl cannot use {platform} as output component")
+        raise cv.Invalid(f"Component rtttl cannot use {platform} as output component")
 
     if platform not in PWM_GOOD:
         _LOGGER.warning(
-            "Component rtttl is not known to work with the selected output type. Make sure this output supports custom frequency output method."
+            "Component rtttl is not known to work with the selected output type. "
+            "Make sure this output supports custom frequency output method."
         )
 
 
+FINAL_VALIDATE_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_OUTPUT): fv.id_declaration_match_schema(
+            validate_parent_output_config
+        )
+    },
+    extra=cv.ALLOW_EXTRA,
+)
+
+
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
diff --git a/esphome/components/sim800l/__init__.py b/esphome/components/sim800l/__init__.py
index 40c011a769..0887b8640f 100644
--- a/esphome/components/sim800l/__init__.py
+++ b/esphome/components/sim800l/__init__.py
@@ -40,6 +40,9 @@ CONFIG_SCHEMA = cv.All(
     .extend(cv.polling_component_schema("5s"))
     .extend(uart.UART_DEVICE_SCHEMA)
 )
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "sim800l", baud_rate=9600, require_tx=True, require_rx=True
+)
 
 
 async def to_code(config):
@@ -54,10 +57,6 @@ async def to_code(config):
         )
 
 
-def validate(config, item_config):
-    uart.validate_device("sim800l", config, item_config, baud_rate=9600)
-
-
 SIM800L_SEND_SMS_SCHEMA = cv.Schema(
     {
         cv.GenerateID(): cv.use_id(Sim800LComponent),
diff --git a/esphome/components/spi/__init__.py b/esphome/components/spi/__init__.py
index e6e073c4a4..803a45814c 100644
--- a/esphome/components/spi/__init__.py
+++ b/esphome/components/spi/__init__.py
@@ -1,5 +1,6 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
+import esphome.final_validate as fv
 from esphome import pins
 from esphome.const import (
     CONF_CLK_PIN,
@@ -69,9 +70,24 @@ async def register_spi_device(var, config):
         cg.add(var.set_cs_pin(pin))
 
 
-def validate_device(name, config, item_config, require_mosi, require_miso):
-    spi_config = config.get_config_by_id(item_config[CONF_SPI_ID])
-    if require_mosi and CONF_MISO_PIN not in spi_config:
-        raise ValueError(f"Component {name} requires parent spi to declare miso_pin")
-    if require_miso and CONF_MOSI_PIN not in spi_config:
-        raise ValueError(f"Component {name} requires parent spi to declare mosi_pin")
+def final_validate_device_schema(name: str, *, require_mosi: bool, require_miso: bool):
+    hub_schema = {}
+    if require_miso:
+        hub_schema[
+            cv.Required(
+                CONF_MISO_PIN,
+                msg=f"Component {name} requires this spi bus to declare a miso_pin",
+            )
+        ] = cv.valid
+    if require_mosi:
+        hub_schema[
+            cv.Required(
+                CONF_MOSI_PIN,
+                msg=f"Component {name} requires this spi bus to declare a mosi_pin",
+            )
+        ] = cv.valid
+
+    return cv.Schema(
+        {cv.Required(CONF_SPI_ID): fv.id_declaration_match_schema(hub_schema)},
+        extra=cv.ALLOW_EXTRA,
+    )
diff --git a/esphome/components/tcl112/tcl112.cpp b/esphome/components/tcl112/tcl112.cpp
index 91cec27094..6921bbd3c0 100644
--- a/esphome/components/tcl112/tcl112.cpp
+++ b/esphome/components/tcl112/tcl112.cpp
@@ -47,7 +47,7 @@ void Tcl112Climate::transmit_state() {
 
   // Set mode
   switch (this->mode) {
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       remote_state[6] &= 0xF0;
       remote_state[6] |= TCL112_AUTO;
       break;
@@ -204,7 +204,7 @@ bool Tcl112Climate::on_receive(remote_base::RemoteReceiveData data) {
         this->mode = climate::CLIMATE_MODE_FAN_ONLY;
         break;
       case TCL112_AUTO:
-        this->mode = climate::CLIMATE_MODE_AUTO;
+        this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         break;
     }
   }
diff --git a/esphome/components/thermostat/climate.py b/esphome/components/thermostat/climate.py
index 4a371ec165..07a94fd184 100644
--- a/esphome/components/thermostat/climate.py
+++ b/esphome/components/thermostat/climate.py
@@ -227,7 +227,7 @@ async def to_code(config):
     await cg.register_component(var, config)
     await climate.register_climate(var, config)
 
-    auto_mode_available = CONF_HEAT_ACTION in config and CONF_COOL_ACTION in config
+    heat_cool_mode_available = CONF_HEAT_ACTION in config and CONF_COOL_ACTION in config
     two_points_available = CONF_HEAT_ACTION in config and (
         CONF_COOL_ACTION in config or CONF_FAN_ONLY_ACTION in config
     )
@@ -258,10 +258,10 @@ async def to_code(config):
         var.get_idle_action_trigger(), [], config[CONF_IDLE_ACTION]
     )
 
-    if auto_mode_available is True:
-        cg.add(var.set_supports_auto(True))
+    if heat_cool_mode_available is True:
+        cg.add(var.set_supports_heat_cool(True))
     else:
-        cg.add(var.set_supports_auto(False))
+        cg.add(var.set_supports_heat_cool(False))
 
     if CONF_COOL_ACTION in config:
         await automation.build_automation(
diff --git a/esphome/components/thermostat/thermostat_climate.cpp b/esphome/components/thermostat/thermostat_climate.cpp
index 3bab0e85fd..a96c702473 100644
--- a/esphome/components/thermostat/thermostat_climate.cpp
+++ b/esphome/components/thermostat/thermostat_climate.cpp
@@ -21,7 +21,7 @@ void ThermostatClimate::setup() {
     restore->to_call(this).perform();
   } else {
     // restore from defaults, change_away handles temps for us
-    this->mode = climate::CLIMATE_MODE_AUTO;
+    this->mode = climate::CLIMATE_MODE_HEAT_COOL;
     this->change_away_(false);
   }
   // refresh the climate action based on the restored settings
@@ -79,6 +79,7 @@ climate::ClimateTraits ThermostatClimate::traits() {
   auto traits = climate::ClimateTraits();
   traits.set_supports_current_temperature(true);
   traits.set_supports_auto_mode(this->supports_auto_);
+  traits.set_supports_heat_cool_mode(this->supports_heat_cool_);
   traits.set_supports_cool_mode(this->supports_cool_);
   traits.set_supports_dry_mode(this->supports_dry_);
   traits.set_supports_fan_only_mode(this->supports_fan_only_);
@@ -130,7 +131,7 @@ climate::ClimateAction ThermostatClimate::compute_action_() {
       case climate::CLIMATE_MODE_OFF:
         target_action = climate::CLIMATE_ACTION_OFF;
         break;
-      case climate::CLIMATE_MODE_AUTO:
+      case climate::CLIMATE_MODE_HEAT_COOL:
       case climate::CLIMATE_MODE_COOL:
       case climate::CLIMATE_MODE_HEAT:
         if (this->supports_cool_) {
@@ -321,7 +322,7 @@ void ThermostatClimate::switch_to_mode_(climate::ClimateMode mode) {
     case climate::CLIMATE_MODE_OFF:
       trig = this->off_mode_trigger_;
       break;
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       // trig = this->auto_mode_trigger_;
       break;
     case climate::CLIMATE_MODE_COOL:
@@ -339,7 +340,7 @@ void ThermostatClimate::switch_to_mode_(climate::ClimateMode mode) {
     default:
       // we cannot report an invalid mode back to HA (even if it asked for one)
       //  and must assume some valid value
-      mode = climate::CLIMATE_MODE_AUTO;
+      mode = climate::CLIMATE_MODE_HEAT_COOL;
       // trig = this->auto_mode_trigger_;
   }
   assert(trig != nullptr);
@@ -434,6 +435,9 @@ ThermostatClimate::ThermostatClimate()
       swing_mode_vertical_trigger_(new Trigger<>()) {}
 void ThermostatClimate::set_hysteresis(float hysteresis) { this->hysteresis_ = hysteresis; }
 void ThermostatClimate::set_sensor(sensor::Sensor *sensor) { this->sensor_ = sensor; }
+void ThermostatClimate::set_supports_heat_cool(bool supports_heat_cool) {
+  this->supports_heat_cool_ = supports_heat_cool;
+}
 void ThermostatClimate::set_supports_auto(bool supports_auto) { this->supports_auto_ = supports_auto; }
 void ThermostatClimate::set_supports_cool(bool supports_cool) { this->supports_cool_ = supports_cool; }
 void ThermostatClimate::set_supports_dry(bool supports_dry) { this->supports_dry_ = supports_dry; }
@@ -521,6 +525,7 @@ void ThermostatClimate::dump_config() {
   }
   ESP_LOGCONFIG(TAG, "  Hysteresis: %.1f°C", this->hysteresis_);
   ESP_LOGCONFIG(TAG, "  Supports AUTO: %s", YESNO(this->supports_auto_));
+  ESP_LOGCONFIG(TAG, "  Supports HEAT/COOL: %s", YESNO(this->supports_heat_cool_));
   ESP_LOGCONFIG(TAG, "  Supports COOL: %s", YESNO(this->supports_cool_));
   ESP_LOGCONFIG(TAG, "  Supports DRY: %s", YESNO(this->supports_dry_));
   ESP_LOGCONFIG(TAG, "  Supports FAN_ONLY: %s", YESNO(this->supports_fan_only_));
diff --git a/esphome/components/thermostat/thermostat_climate.h b/esphome/components/thermostat/thermostat_climate.h
index 86a1007efa..3fd482da53 100644
--- a/esphome/components/thermostat/thermostat_climate.h
+++ b/esphome/components/thermostat/thermostat_climate.h
@@ -29,6 +29,7 @@ class ThermostatClimate : public climate::Climate, public Component {
   void set_hysteresis(float hysteresis);
   void set_sensor(sensor::Sensor *sensor);
   void set_supports_auto(bool supports_auto);
+  void set_supports_heat_cool(bool supports_heat_cool);
   void set_supports_cool(bool supports_cool);
   void set_supports_dry(bool supports_dry);
   void set_supports_fan_only(bool supports_fan_only);
@@ -113,6 +114,7 @@ class ThermostatClimate : public climate::Climate, public Component {
   /// A false value for any given attribute means that the controller has no such action
   /// (for example a thermostat, where only heating and not-heating is possible).
   bool supports_auto_{false};
+  bool supports_heat_cool_{false};
   bool supports_cool_{false};
   bool supports_dry_{false};
   bool supports_fan_only_{false};
diff --git a/esphome/components/toshiba/toshiba.cpp b/esphome/components/toshiba/toshiba.cpp
index 33e2831dd3..b932516edf 100644
--- a/esphome/components/toshiba/toshiba.cpp
+++ b/esphome/components/toshiba/toshiba.cpp
@@ -80,7 +80,7 @@ void ToshibaClimate::transmit_state() {
       mode = TOSHIBA_MODE_COOL;
       break;
 
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
     default:
       mode = TOSHIBA_MODE_AUTO;
   }
@@ -190,7 +190,7 @@ bool ToshibaClimate::on_receive(remote_base::RemoteReceiveData data) {
     case TOSHIBA_MODE_AUTO:
     default:
       /* Note: Dry and Fan-only modes are reported as Auto, as they are not supported yet */
-      this->mode = climate::CLIMATE_MODE_AUTO;
+      this->mode = climate::CLIMATE_MODE_HEAT_COOL;
   }
 
   /* Get the target temperature */
diff --git a/esphome/components/tuya/climate/tuya_climate.cpp b/esphome/components/tuya/climate/tuya_climate.cpp
index 962d18a391..9c9cf9f3e7 100644
--- a/esphome/components/tuya/climate/tuya_climate.cpp
+++ b/esphome/components/tuya/climate/tuya_climate.cpp
@@ -13,7 +13,7 @@ void TuyaClimate::setup() {
       this->mode = climate::CLIMATE_MODE_OFF;
       if (datapoint.value_bool) {
         if (this->supports_heat_ && this->supports_cool_) {
-          this->mode = climate::CLIMATE_MODE_AUTO;
+          this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         } else if (this->supports_heat_) {
           this->mode = climate::CLIMATE_MODE_HEAT;
         } else if (this->supports_cool_) {
diff --git a/esphome/components/uart/__init__.py b/esphome/components/uart/__init__.py
index aaed333e34..d2fcac2cb6 100644
--- a/esphome/components/uart/__init__.py
+++ b/esphome/components/uart/__init__.py
@@ -1,5 +1,8 @@
+from typing import Optional
+
 import esphome.codegen as cg
 import esphome.config_validation as cv
+import esphome.final_validate as fv
 from esphome import pins, automation
 from esphome.const import (
     CONF_BAUD_RATE,
@@ -92,42 +95,6 @@ async def to_code(config):
     cg.add(var.set_parity(config[CONF_PARITY]))
 
 
-def validate_device(
-    name, config, item_config, baud_rate=None, require_tx=True, require_rx=True
-):
-    if not hasattr(config, "uart_devices"):
-        config.uart_devices = {}
-    devices = config.uart_devices
-
-    uart_config = config.get_config_by_id(item_config[CONF_UART_ID])
-
-    uart_id = uart_config[CONF_ID]
-    device = devices.setdefault(uart_id, {})
-
-    if require_tx:
-        if CONF_TX_PIN not in uart_config:
-            raise ValueError(f"Component {name} requires parent uart to declare tx_pin")
-        if CONF_TX_PIN in device:
-            raise ValueError(
-                f"Component {name} cannot use the same uart.{CONF_TX_PIN} as component {device[CONF_TX_PIN]} is already using it"
-            )
-        device[CONF_TX_PIN] = name
-
-    if require_rx:
-        if CONF_RX_PIN not in uart_config:
-            raise ValueError(f"Component {name} requires parent uart to declare rx_pin")
-        if CONF_RX_PIN in device:
-            raise ValueError(
-                f"Component {name} cannot use the same uart.{CONF_RX_PIN} as component {device[CONF_RX_PIN]} is already using it"
-            )
-        device[CONF_RX_PIN] = name
-
-    if baud_rate and uart_config[CONF_BAUD_RATE] != baud_rate:
-        raise ValueError(
-            f"Component {name} requires parent uart baud rate be {baud_rate}"
-        )
-
-
 # A schema to use for all UART devices, all UART integrations must extend this!
 UART_DEVICE_SCHEMA = cv.Schema(
     {
@@ -135,6 +102,64 @@ UART_DEVICE_SCHEMA = cv.Schema(
     }
 )
 
+KEY_UART_DEVICES = "uart_devices"
+
+
+def final_validate_device_schema(
+    name: str,
+    *,
+    baud_rate: Optional[int] = None,
+    require_tx: bool = False,
+    require_rx: bool = False,
+):
+    def validate_baud_rate(value):
+        if value != baud_rate:
+            raise cv.Invalid(
+                f"Component {name} required baud rate {baud_rate} for the uart bus"
+            )
+        return value
+
+    def validate_pin(opt, device):
+        def validator(value):
+            if opt in device:
+                raise cv.Invalid(
+                    f"The uart {opt} is used both by {name} and {device[opt]}, "
+                    f"but can only be used by one. Please create a new uart bus for {name}."
+                )
+            device[opt] = name
+            return value
+
+        return validator
+
+    def validate_hub(hub_config):
+        hub_schema = {}
+        uart_id = hub_config[CONF_ID]
+        devices = fv.full_config.get().data.setdefault(KEY_UART_DEVICES, {})
+        device = devices.setdefault(uart_id, {})
+
+        if require_tx:
+            hub_schema[
+                cv.Required(
+                    CONF_TX_PIN,
+                    msg=f"Component {name} requires this uart bus to declare a tx_pin",
+                )
+            ] = validate_pin(CONF_TX_PIN, device)
+        if require_rx:
+            hub_schema[
+                cv.Required(
+                    CONF_RX_PIN,
+                    msg=f"Component {name} requires this uart bus to declare a rx_pin",
+                )
+            ] = validate_pin(CONF_RX_PIN, device)
+        if baud_rate is not None:
+            hub_schema[cv.Required(CONF_BAUD_RATE)] = validate_baud_rate
+        return cv.Schema(hub_schema, extra=cv.ALLOW_EXTRA)(hub_config)
+
+    return cv.Schema(
+        {cv.Required(CONF_UART_ID): fv.id_declaration_match_schema(validate_hub)},
+        extra=cv.ALLOW_EXTRA,
+    )
+
 
 async def register_uart_device(var, config):
     """Register a UART device, setting up all the internal values.
diff --git a/esphome/components/whirlpool/whirlpool.cpp b/esphome/components/whirlpool/whirlpool.cpp
index e7c93246f2..5a1e025a38 100644
--- a/esphome/components/whirlpool/whirlpool.cpp
+++ b/esphome/components/whirlpool/whirlpool.cpp
@@ -48,7 +48,7 @@ void WhirlpoolClimate::transmit_state() {
     this->powered_on_assumed = powered_on;
   }
   switch (this->mode) {
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       // set fan auto
       // set temp auto temp
       // set sleep false
@@ -239,7 +239,7 @@ bool WhirlpoolClimate::on_receive(remote_base::RemoteReceiveData data) {
         this->mode = climate::CLIMATE_MODE_FAN_ONLY;
         break;
       case WHIRLPOOL_AUTO:
-        this->mode = climate::CLIMATE_MODE_AUTO;
+        this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         break;
     }
   }
diff --git a/esphome/components/wifi/__init__.py b/esphome/components/wifi/__init__.py
index a701aa37e5..fa28eaffd4 100644
--- a/esphome/components/wifi/__init__.py
+++ b/esphome/components/wifi/__init__.py
@@ -1,5 +1,6 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
+import esphome.final_validate as fv
 from esphome import automation
 from esphome.automation import Condition
 from esphome.components.network import add_mdns_library
@@ -137,16 +138,17 @@ WIFI_NETWORK_STA = WIFI_NETWORK_BASE.extend(
 )
 
 
-def validate(config, item_config):
-    if (
-        (CONF_NETWORKS in item_config)
-        and (item_config[CONF_NETWORKS] == [])
-        and (CONF_AP not in item_config)
-    ):
-        if "esp32_improv" not in config:
-            raise ValueError(
-                "Please specify at least an SSID or an Access Point to create."
-            )
+def final_validate(config):
+    has_sta = bool(config.get(CONF_NETWORKS, True))
+    has_ap = CONF_AP in config
+    has_improv = "esp32_improv" in fv.full_config.get()
+    if (not has_sta) and (not has_ap) and (not has_improv):
+        raise cv.Invalid(
+            "Please specify at least an SSID or an Access Point to create."
+        )
+
+
+FINAL_VALIDATE_SCHEMA = cv.Schema(final_validate)
 
 
 def _validate(config):
diff --git a/esphome/components/yashima/yashima.cpp b/esphome/components/yashima/yashima.cpp
index e3c0a33127..e53e5fcccc 100644
--- a/esphome/components/yashima/yashima.cpp
+++ b/esphome/components/yashima/yashima.cpp
@@ -82,7 +82,7 @@ const uint32_t YASHIMA_CARRIER_FREQUENCY = 38000;
 climate::ClimateTraits YashimaClimate::traits() {
   auto traits = climate::ClimateTraits();
   traits.set_supports_current_temperature(this->sensor_ != nullptr);
-  traits.set_supports_auto_mode(true);
+  traits.set_supports_heat_cool_mode(true);
   traits.set_supports_cool_mode(this->supports_cool_);
   traits.set_supports_heat_mode(this->supports_heat_);
   traits.set_supports_two_point_target_temperature(false);
@@ -139,7 +139,7 @@ void YashimaClimate::transmit_state_() {
 
   // Set mode
   switch (this->mode) {
-    case climate::CLIMATE_MODE_AUTO:
+    case climate::CLIMATE_MODE_HEAT_COOL:
       remote_state[0] |= YASHIMA_MODE_AUTO_BYTE0;
       remote_state[5] |= YASHIMA_MODE_AUTO_BYTE5;
       break;
diff --git a/esphome/config.py b/esphome/config.py
index fcd2fac90f..93413a009c 100644
--- a/esphome/config.py
+++ b/esphome/config.py
@@ -21,11 +21,13 @@ from esphome.helpers import indent
 from esphome.util import safe_print, OrderedDict
 
 from typing import List, Optional, Tuple, Union
-from esphome.core import ConfigType
 from esphome.loader import get_component, get_platform, ComponentManifest
 from esphome.yaml_util import is_secret, ESPHomeDataBase, ESPForceValue
 from esphome.voluptuous_schema import ExtraKeysInvalid
 from esphome.log import color, Fore
+import esphome.final_validate as fv
+import esphome.config_validation as cv
+from esphome.types import ConfigType, ConfigPathType, ConfigFragmentType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -54,7 +56,7 @@ def _path_begins_with(path, other):  # type: (ConfigPath, ConfigPath) -> bool
     return path[: len(other)] == other
 
 
-class Config(OrderedDict):
+class Config(OrderedDict, fv.FinalValidateConfig):
     def __init__(self):
         super().__init__()
         # A list of voluptuous errors
@@ -65,6 +67,7 @@ class Config(OrderedDict):
         self.output_paths = []  # type: List[Tuple[ConfigPath, str]]
         # A list of components ids with the config path
         self.declare_ids = []  # type: List[Tuple[core.ID, ConfigPath]]
+        self._data = {}
 
     def add_error(self, error):
         # type: (vol.Invalid) -> None
@@ -72,6 +75,12 @@ class Config(OrderedDict):
             for err in error.errors:
                 self.add_error(err)
             return
+        if cv.ROOT_CONFIG_PATH in error.path:
+            # Root value means that the path before the root should be ignored
+            last_root = max(
+                i for i, v in enumerate(error.path) if v is cv.ROOT_CONFIG_PATH
+            )
+            error.path = error.path[last_root + 1 :]
         self.errors.append(error)
 
     @contextmanager
@@ -140,13 +149,16 @@ class Config(OrderedDict):
 
         return doc_range
 
-    def get_nested_item(self, path):
-        # type: (ConfigPath) -> ConfigType
+    def get_nested_item(
+        self, path: ConfigPathType, raise_error: bool = False
+    ) -> ConfigFragmentType:
         data = self
         for item_index in path:
             try:
                 data = data[item_index]
             except (KeyError, IndexError, TypeError):
+                if raise_error:
+                    raise
                 return {}
         return data
 
@@ -163,11 +175,20 @@ class Config(OrderedDict):
             part.append(item_index)
         return part
 
-    def get_config_by_id(self, id):
+    def get_path_for_id(self, id: core.ID):
+        """Return the config fragment where the given ID is declared."""
         for declared_id, path in self.declare_ids:
             if declared_id.id == str(id):
-                return self.get_nested_item(path[:-1])
-        return None
+                return path
+        raise KeyError(f"ID {id} not found in configuration")
+
+    def get_config_for_path(self, path: ConfigPathType) -> ConfigFragmentType:
+        return self.get_nested_item(path, raise_error=True)
+
+    @property
+    def data(self):
+        """Return temporary data used by final validation functions."""
+        return self._data
 
 
 def iter_ids(config, path=None):
@@ -189,23 +210,22 @@ def do_id_pass(result):  # type: (Config) -> None
     from esphome.cpp_generator import MockObjClass
     from esphome.cpp_types import Component
 
-    declare_ids = result.declare_ids  # type: List[Tuple[core.ID, ConfigPath]]
     searching_ids = []  # type: List[Tuple[core.ID, ConfigPath]]
     for id, path in iter_ids(result):
         if id.is_declaration:
             if id.id is not None:
                 # Look for duplicate definitions
-                match = next((v for v in declare_ids if v[0].id == id.id), None)
+                match = next((v for v in result.declare_ids if v[0].id == id.id), None)
                 if match is not None:
                     opath = "->".join(str(v) for v in match[1])
                     result.add_str_error(f"ID {id.id} redefined! Check {opath}", path)
                     continue
-            declare_ids.append((id, path))
+            result.declare_ids.append((id, path))
         else:
             searching_ids.append((id, path))
     # Resolve default ids after manual IDs
-    for id, _ in declare_ids:
-        id.resolve([v[0].id for v in declare_ids])
+    for id, _ in result.declare_ids:
+        id.resolve([v[0].id for v in result.declare_ids])
         if isinstance(id.type, MockObjClass) and id.type.inherits_from(Component):
             CORE.component_ids.add(id.id)
 
@@ -213,7 +233,7 @@ def do_id_pass(result):  # type: (Config) -> None
     for id, path in searching_ids:
         if id.id is not None:
             # manually declared
-            match = next((v[0] for v in declare_ids if v[0].id == id.id), None)
+            match = next((v[0] for v in result.declare_ids if v[0].id == id.id), None)
             if match is None or not match.is_manual:
                 # No declared ID with this name
                 import difflib
@@ -224,7 +244,7 @@ def do_id_pass(result):  # type: (Config) -> None
                 )
                 # Find candidates
                 matches = difflib.get_close_matches(
-                    id.id, [v[0].id for v in declare_ids if v[0].is_manual]
+                    id.id, [v[0].id for v in result.declare_ids if v[0].is_manual]
                 )
                 if matches:
                     matches_s = ", ".join(f'"{x}"' for x in matches)
@@ -245,7 +265,7 @@ def do_id_pass(result):  # type: (Config) -> None
 
         if id.id is None and id.type is not None:
             matches = []
-            for v in declare_ids:
+            for v in result.declare_ids:
                 if v[0] is None or not isinstance(v[0].type, MockObjClass):
                     continue
                 inherits = v[0].type.inherits_from(id.type)
@@ -278,8 +298,6 @@ def do_id_pass(result):  # type: (Config) -> None
 
 
 def recursive_check_replaceme(value):
-    import esphome.config_validation as cv
-
     if isinstance(value, list):
         return cv.Schema([recursive_check_replaceme])(value)
     if isinstance(value, dict):
@@ -558,14 +576,16 @@ def validate_config(config, command_line_substitutions):
     # 7. Final validation
     if not result.errors:
         # Inter - components validation
-        for path, conf, comp in validate_queue:
-            if comp.config_schema is None:
+        token = fv.full_config.set(result)
+
+        for path, _, comp in validate_queue:
+            if comp.final_validate_schema is None:
                 continue
-            if callable(comp.validate):
-                try:
-                    comp.validate(result, result.get_nested_item(path))
-                except ValueError as err:
-                    result.add_str_error(err, path)
+            conf = result.get_nested_item(path)
+            with result.catch_error(path):
+                comp.final_validate_schema(conf)
+
+        fv.full_config.reset(token)
 
     return result
 
@@ -621,8 +641,12 @@ def _format_vol_invalid(ex, config):
             )
     elif "extra keys not allowed" in str(ex):
         message += "[{}] is an invalid option for [{}].".format(ex.path[-1], paren)
-    elif "required key not provided" in str(ex):
-        message += "'{}' is a required option for [{}].".format(ex.path[-1], paren)
+    elif isinstance(ex, vol.RequiredFieldInvalid):
+        if ex.msg == "required key not provided":
+            message += "'{}' is a required option for [{}].".format(ex.path[-1], paren)
+        else:
+            # Required has set a custom error message
+            message += ex.msg
     else:
         message += humanize_error(config, ex)
 
diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index 2cdb6b0b76..7292cc3af5 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -75,6 +75,9 @@ Inclusive = vol.Inclusive
 ALLOW_EXTRA = vol.ALLOW_EXTRA
 UNDEFINED = vol.UNDEFINED
 RequiredFieldInvalid = vol.RequiredFieldInvalid
+# this sentinel object can be placed in an 'Invalid' path to say
+# the rest of the error path is relative to the root config path
+ROOT_CONFIG_PATH = object()
 
 RESERVED_IDS = [
     # C++ keywords http://en.cppreference.com/w/cpp/keyword
@@ -218,8 +221,8 @@ class Required(vol.Required):
     - *not* the `config.get(CONF_<KEY>)` syntax.
     """
 
-    def __init__(self, key):
-        super().__init__(key)
+    def __init__(self, key, msg=None):
+        super().__init__(key, msg=msg)
 
 
 def check_not_templatable(value):
@@ -1073,6 +1076,7 @@ def invalid(message):
 
 
 def valid(value):
+    """A validator that is always valid and returns the value as-is."""
     return value
 
 
diff --git a/esphome/const.py b/esphome/const.py
index 3492858240..733931ce09 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -2,7 +2,7 @@
 
 MAJOR_VERSION = 1
 MINOR_VERSION = 19
-PATCH_VERSION = "0"
+PATCH_VERSION = "1"
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"
 
diff --git a/esphome/core/__init__.py b/esphome/core/__init__.py
index 1841dfd8be..df98e1b150 100644
--- a/esphome/core/__init__.py
+++ b/esphome/core/__init__.py
@@ -2,7 +2,7 @@ import logging
 import math
 import os
 import re
-from typing import TYPE_CHECKING, Any, Dict, List, Optional, Set, Tuple
+from typing import TYPE_CHECKING, Dict, List, Optional, Set, Tuple
 
 from esphome.const import (
     CONF_ARDUINO_VERSION,
@@ -23,6 +23,7 @@ from esphome.util import OrderedDict
 
 if TYPE_CHECKING:
     from ..cpp_generator import MockObj, MockObjClass, Statement
+    from ..types import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -462,9 +463,9 @@ class EsphomeCore:
         # The board that's used (for example nodemcuv2)
         self.board: Optional[str] = None
         # The full raw configuration
-        self.raw_config: Optional[ConfigType] = None
+        self.raw_config: Optional["ConfigType"] = None
         # The validated configuration, this is None until the config has been validated
-        self.config: Optional[ConfigType] = None
+        self.config: Optional["ConfigType"] = None
         # The pending tasks in the task queue (mostly for C++ generation)
         # This is a priority queue (with heapq)
         # Each item is a tuple of form: (-priority, unique number, task)
@@ -752,6 +753,3 @@ class EnumValue:
 
 
 CORE = EsphomeCore()
-
-ConfigType = Dict[str, Any]
-CoreType = EsphomeCore
diff --git a/esphome/cpp_helpers.py b/esphome/cpp_helpers.py
index 1c52f38e50..1d66eabf6c 100644
--- a/esphome/cpp_helpers.py
+++ b/esphome/cpp_helpers.py
@@ -8,7 +8,8 @@ from esphome.const import (
 )
 
 # pylint: disable=unused-import
-from esphome.core import coroutine, ID, CORE, ConfigType
+from esphome.core import coroutine, ID, CORE
+from esphome.types import ConfigType
 from esphome.cpp_generator import RawExpression, add, get_variable
 from esphome.cpp_types import App, GPIOPin
 from esphome.util import Registry, RegistryEntry
diff --git a/esphome/dashboard/dashboard.py b/esphome/dashboard/dashboard.py
index 90061a3d4e..00b12199c0 100644
--- a/esphome/dashboard/dashboard.py
+++ b/esphome/dashboard/dashboard.py
@@ -716,9 +716,6 @@ class LogoutHandler(BaseHandler):
         self.redirect("./login")
 
 
-_STATIC_FILE_HASHES = {}
-
-
 def get_base_frontend_path():
     if ENV_DEV not in os.environ:
         import esphome_dashboard
@@ -741,19 +738,23 @@ def get_static_path(*args):
     return os.path.join(get_base_frontend_path(), "static", *args)
 
 
+@functools.lru_cache(maxsize=None)
 def get_static_file_url(name):
+    base = f"./static/{name}"
+
+    if ENV_DEV in os.environ:
+        return base
+
     # Module imports can't deduplicate if stuff added to url
     if name == "js/esphome/index.js":
-        return f"./static/{name}"
+        import esphome_dashboard
 
-    if name in _STATIC_FILE_HASHES:
-        hash_ = _STATIC_FILE_HASHES[name]
-    else:
-        path = get_static_path(name)
-        with open(path, "rb") as f_handle:
-            hash_ = hashlib.md5(f_handle.read()).hexdigest()[:8]
-        _STATIC_FILE_HASHES[name] = hash_
-    return f"./static/{name}?hash={hash_}"
+        return base.replace("index.js", esphome_dashboard.entrypoint())
+
+    path = get_static_path(name)
+    with open(path, "rb") as f_handle:
+        hash_ = hashlib.md5(f_handle.read()).hexdigest()[:8]
+    return f"{base}?hash={hash_}"
 
 
 def make_app(debug=get_bool_env(ENV_DEV)):
@@ -820,9 +821,6 @@ def make_app(debug=get_bool_env(ENV_DEV)):
         **app_settings,
     )
 
-    if debug:
-        _STATIC_FILE_HASHES.clear()
-
     return app
 
 
diff --git a/esphome/final_validate.py b/esphome/final_validate.py
new file mode 100644
index 0000000000..50fdbaf3f4
--- /dev/null
+++ b/esphome/final_validate.py
@@ -0,0 +1,57 @@
+from abc import ABC, abstractmethod, abstractproperty
+from typing import Dict, Any
+import contextvars
+
+from esphome.types import ConfigFragmentType, ID, ConfigPathType
+import esphome.config_validation as cv
+
+
+class FinalValidateConfig(ABC):
+    @abstractproperty
+    def data(self) -> Dict[str, Any]:
+        """A dictionary that can be used by post validation functions to store
+        global data during the validation phase. Each component should store its
+        data under a unique key
+        """
+
+    @abstractmethod
+    def get_path_for_id(self, id: ID) -> ConfigPathType:
+        """Get the config path a given ID has been declared in.
+
+        This is the location under the _validated_ config (for example, with cv.ensure_list applied)
+        Raises KeyError if the id was not declared in the configuration.
+        """
+
+    @abstractmethod
+    def get_config_for_path(self, path: ConfigPathType) -> ConfigFragmentType:
+        """Get the config fragment for the given global path.
+
+        Raises KeyError if a key in the path does not exist.
+        """
+
+
+FinalValidateConfig.register(dict)
+
+# Context variable tracking the full config for some final validation functions.
+full_config: contextvars.ContextVar[FinalValidateConfig] = contextvars.ContextVar(
+    "full_config"
+)
+
+
+def id_declaration_match_schema(schema):
+    """A final-validation schema function that applies a schema to the outer config fragment of an
+    ID declaration.
+
+    This validator must be applied to ID values.
+    """
+    if not isinstance(schema, cv.Schema):
+        schema = cv.Schema(schema, extra=cv.ALLOW_EXTRA)
+
+    def validator(value):
+        fconf = full_config.get()
+        path = fconf.get_path_for_id(value)[:-1]
+        declaration_config = fconf.get_config_for_path(path)
+        with cv.prepend_path([cv.ROOT_CONFIG_PATH] + path):
+            return schema(declaration_config)
+
+    return validator
diff --git a/esphome/loader.py b/esphome/loader.py
index d9d407d787..f74fc6367d 100644
--- a/esphome/loader.py
+++ b/esphome/loader.py
@@ -12,6 +12,7 @@ from pathlib import Path
 from esphome.const import ESP_PLATFORMS, SOURCE_FILE_EXTENSIONS
 import esphome.core.config
 from esphome.core import CORE
+from esphome.types import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -81,8 +82,13 @@ class ComponentManifest:
         return getattr(self.module, "CODEOWNERS", [])
 
     @property
-    def validate(self):
-        return getattr(self.module, "validate", None)
+    def final_validate_schema(self) -> Optional[Callable[[ConfigType], None]]:
+        """Components can declare a `FINAL_VALIDATE_SCHEMA` cv.Schema that gets called
+        after the main validation. In that function checks across components can be made.
+
+        Note that the function can't mutate the configuration - no changes are saved
+        """
+        return getattr(self.module, "FINAL_VALIDATE_SCHEMA", None)
 
     @property
     def source_files(self) -> Dict[Path, SourceFile]:
diff --git a/esphome/storage_json.py b/esphome/storage_json.py
index 6f81e0d96a..c0fbc6edf7 100644
--- a/esphome/storage_json.py
+++ b/esphome/storage_json.py
@@ -4,14 +4,13 @@ from datetime import datetime
 import json
 import logging
 import os
+from typing import Any, Optional, List
 
 from esphome import const
 from esphome.core import CORE
 from esphome.helpers import write_file_if_changed
 
-# pylint: disable=unused-import, wrong-import-order
-from esphome.core import CoreType
-from typing import Any, Optional, List
+from esphome.types import CoreType
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/esphome/types.py b/esphome/types.py
new file mode 100644
index 0000000000..6bbfb00ce6
--- /dev/null
+++ b/esphome/types.py
@@ -0,0 +1,18 @@
+"""This helper module tracks commonly used types in the esphome python codebase."""
+from typing import Dict, Union, List
+
+from esphome.core import ID, Lambda, EsphomeCore
+
+ConfigFragmentType = Union[
+    str,
+    int,
+    float,
+    None,
+    Dict[Union[str, int], "ConfigFragmentType"],
+    List["ConfigFragmentType"],
+    ID,
+    Lambda,
+]
+ConfigType = Dict[str, ConfigFragmentType]
+CoreType = EsphomeCore
+ConfigPathType = Union[str, int]
diff --git a/requirements.txt b/requirements.txt
index 33436fb1b1..f02d65e518 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ ifaddr==0.1.7
 platformio==5.1.1
 esptool==2.8
 click==7.1.2
-esphome-dashboard==20210615.0
+esphome-dashboard==20210617.1