diff --git a/esphome/components/anova/anova.h b/esphome/components/anova/anova.h
index 560d96baa7..2e43ebfb98 100644
--- a/esphome/components/anova/anova.h
+++ b/esphome/components/anova/anova.h
@@ -28,7 +28,7 @@ class Anova : public climate::Climate, public esphome::ble_client::BLEClientNode
   void dump_config() override;
   climate::ClimateTraits traits() override {
     auto traits = climate::ClimateTraits();
-    traits.set_supports_current_temperature(true);
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
     traits.set_supported_modes({climate::CLIMATE_MODE_OFF, climate::ClimateMode::CLIMATE_MODE_HEAT});
     traits.set_visual_min_temperature(25.0);
     traits.set_visual_max_temperature(100.0);
diff --git a/esphome/components/bang_bang/bang_bang_climate.cpp b/esphome/components/bang_bang/bang_bang_climate.cpp
index bb85b49238..5d8c0eb7b7 100644
--- a/esphome/components/bang_bang/bang_bang_climate.cpp
+++ b/esphome/components/bang_bang/bang_bang_climate.cpp
@@ -56,26 +56,27 @@ void BangBangClimate::control(const climate::ClimateCall &call) {
 }
 climate::ClimateTraits BangBangClimate::traits() {
   auto traits = climate::ClimateTraits();
-  traits.set_supports_current_temperature(true);
+  traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE |
+                           climate::CLIMATE_REQUIRES_TWO_POINT_TARGET_TEMPERATURE | climate::CLIMATE_SUPPORTS_ACTION);
+
   if (this->humidity_sensor_ != nullptr)
-    traits.set_supports_current_humidity(true);
-  traits.set_supported_modes({
-      climate::CLIMATE_MODE_OFF,
-  });
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_HUMIDITY);
+
+  traits.set_supported_modes({climate::CLIMATE_MODE_OFF});
   if (supports_cool_)
     traits.add_supported_mode(climate::CLIMATE_MODE_COOL);
   if (supports_heat_)
     traits.add_supported_mode(climate::CLIMATE_MODE_HEAT);
   if (supports_cool_ && supports_heat_)
     traits.add_supported_mode(climate::CLIMATE_MODE_HEAT_COOL);
-  traits.set_supports_two_point_target_temperature(true);
+
   if (supports_away_) {
     traits.set_supported_presets({
         climate::CLIMATE_PRESET_HOME,
         climate::CLIMATE_PRESET_AWAY,
     });
   }
-  traits.set_supports_action(true);
+
   return traits;
 }
 void BangBangClimate::compute_state_() {
diff --git a/esphome/components/bedjet/climate/bedjet_climate.h b/esphome/components/bedjet/climate/bedjet_climate.h
index 7eaa735a3f..963f2e585a 100644
--- a/esphome/components/bedjet/climate/bedjet_climate.h
+++ b/esphome/components/bedjet/climate/bedjet_climate.h
@@ -33,8 +33,7 @@ class BedJetClimate : public climate::Climate, public BedJetClient, public Polli
 
   climate::ClimateTraits traits() override {
     auto traits = climate::ClimateTraits();
-    traits.set_supports_action(true);
-    traits.set_supports_current_temperature(true);
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_ACTION | climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
     traits.set_supported_modes({
         climate::CLIMATE_MODE_OFF,
         climate::CLIMATE_MODE_HEAT,
diff --git a/esphome/components/climate_ir/climate_ir.cpp b/esphome/components/climate_ir/climate_ir.cpp
index dc8117f6ae..2b95792a6c 100644
--- a/esphome/components/climate_ir/climate_ir.cpp
+++ b/esphome/components/climate_ir/climate_ir.cpp
@@ -8,7 +8,10 @@ static const char *const TAG = "climate_ir";
 
 climate::ClimateTraits ClimateIR::traits() {
   auto traits = climate::ClimateTraits();
-  traits.set_supports_current_temperature(this->sensor_ != nullptr);
+  if (this->sensor_ != nullptr) {
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
+  }
+
   traits.set_supported_modes({climate::CLIMATE_MODE_OFF, climate::CLIMATE_MODE_HEAT_COOL});
   if (this->supports_cool_)
     traits.add_supported_mode(climate::CLIMATE_MODE_COOL);
@@ -19,7 +22,6 @@ climate::ClimateTraits ClimateIR::traits() {
   if (this->supports_fan_only_)
     traits.add_supported_mode(climate::CLIMATE_MODE_FAN_ONLY);
 
-  traits.set_supports_two_point_target_temperature(false);
   traits.set_visual_min_temperature(this->minimum_temperature_);
   traits.set_visual_max_temperature(this->maximum_temperature_);
   traits.set_visual_temperature_step(this->temperature_step_);
diff --git a/esphome/components/daikin_arc/daikin_arc.cpp b/esphome/components/daikin_arc/daikin_arc.cpp
index 068819ecd1..f05342f482 100644
--- a/esphome/components/daikin_arc/daikin_arc.cpp
+++ b/esphome/components/daikin_arc/daikin_arc.cpp
@@ -241,9 +241,7 @@ uint8_t DaikinArcClimate::humidity_() {
 
 climate::ClimateTraits DaikinArcClimate::traits() {
   climate::ClimateTraits traits = climate_ir::ClimateIR::traits();
-  traits.set_supports_current_temperature(true);
-  traits.set_supports_current_humidity(false);
-  traits.set_supports_target_humidity(true);
+  traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE | climate::CLIMATE_SUPPORTS_TARGET_HUMIDITY);
   traits.set_visual_min_humidity(38);
   traits.set_visual_max_humidity(52);
   return traits;
diff --git a/esphome/components/demo/demo_climate.h b/esphome/components/demo/demo_climate.h
index 1ba80aabf5..84b16e7ec5 100644
--- a/esphome/components/demo/demo_climate.h
+++ b/esphome/components/demo/demo_climate.h
@@ -82,16 +82,14 @@ class DemoClimate : public climate::Climate, public Component {
     climate::ClimateTraits traits{};
     switch (type_) {
       case DemoClimateType::TYPE_1:
-        traits.set_supports_current_temperature(true);
+        traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE | climate::CLIMATE_SUPPORTS_ACTION);
         traits.set_supported_modes({
             climate::CLIMATE_MODE_OFF,
             climate::CLIMATE_MODE_HEAT,
         });
-        traits.set_supports_action(true);
         traits.set_visual_temperature_step(0.5);
         break;
       case DemoClimateType::TYPE_2:
-        traits.set_supports_current_temperature(false);
         traits.set_supported_modes({
             climate::CLIMATE_MODE_OFF,
             climate::CLIMATE_MODE_HEAT,
@@ -100,7 +98,7 @@ class DemoClimate : public climate::Climate, public Component {
             climate::CLIMATE_MODE_DRY,
             climate::CLIMATE_MODE_FAN_ONLY,
         });
-        traits.set_supports_action(true);
+        traits.add_feature_flags(climate::CLIMATE_SUPPORTS_ACTION);
         traits.set_supported_fan_modes({
             climate::CLIMATE_FAN_ON,
             climate::CLIMATE_FAN_OFF,
@@ -123,8 +121,8 @@ class DemoClimate : public climate::Climate, public Component {
         traits.set_supported_custom_presets({"My Preset"});
         break;
       case DemoClimateType::TYPE_3:
-        traits.set_supports_current_temperature(true);
-        traits.set_supports_two_point_target_temperature(true);
+        traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE |
+                                 climate::CLIMATE_SUPPORTS_TWO_POINT_TARGET_TEMPERATURE);
         traits.set_supported_modes({
             climate::CLIMATE_MODE_OFF,
             climate::CLIMATE_MODE_COOL,
diff --git a/esphome/components/haier/haier_base.cpp b/esphome/components/haier/haier_base.cpp
index 55a2454fca..5709b8e9b5 100644
--- a/esphome/components/haier/haier_base.cpp
+++ b/esphome/components/haier/haier_base.cpp
@@ -65,7 +65,7 @@ HaierClimateBase::HaierClimateBase()
       {climate::CLIMATE_FAN_AUTO, climate::CLIMATE_FAN_LOW, climate::CLIMATE_FAN_MEDIUM, climate::CLIMATE_FAN_HIGH});
   this->traits_.set_supported_swing_modes({climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_BOTH,
                                            climate::CLIMATE_SWING_VERTICAL, climate::CLIMATE_SWING_HORIZONTAL});
-  this->traits_.set_supports_current_temperature(true);
+  this->traits_.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
 }
 
 HaierClimateBase::~HaierClimateBase() {}
diff --git a/esphome/components/midea/air_conditioner.cpp b/esphome/components/midea/air_conditioner.cpp
index 170a2f6a40..0ad26ebd51 100644
--- a/esphome/components/midea/air_conditioner.cpp
+++ b/esphome/components/midea/air_conditioner.cpp
@@ -77,7 +77,7 @@ void AirConditioner::control(const ClimateCall &call) {
 
 ClimateTraits AirConditioner::traits() {
   auto traits = ClimateTraits();
-  traits.set_supports_current_temperature(true);
+  traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
   traits.set_visual_min_temperature(17);
   traits.set_visual_max_temperature(30);
   traits.set_visual_temperature_step(0.5);
diff --git a/esphome/components/mitsubishi/mitsubishi.cpp b/esphome/components/mitsubishi/mitsubishi.cpp
index 3d9207dd96..10ab4f3b5c 100644
--- a/esphome/components/mitsubishi/mitsubishi.cpp
+++ b/esphome/components/mitsubishi/mitsubishi.cpp
@@ -52,8 +52,9 @@ const uint8_t MITSUBISHI_BYTE16 = 0x00;
 
 climate::ClimateTraits MitsubishiClimate::traits() {
   auto traits = climate::ClimateTraits();
-  traits.set_supports_current_temperature(this->sensor_ != nullptr);
-  traits.set_supports_action(false);
+  if (this->sensor_ != nullptr) {
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
+  }
   traits.set_visual_min_temperature(MITSUBISHI_TEMP_MIN);
   traits.set_visual_max_temperature(MITSUBISHI_TEMP_MAX);
   traits.set_visual_temperature_step(1.0f);
diff --git a/esphome/components/pid/pid_climate.cpp b/esphome/components/pid/pid_climate.cpp
index 8b3be36dcc..fd74eabd87 100644
--- a/esphome/components/pid/pid_climate.cpp
+++ b/esphome/components/pid/pid_climate.cpp
@@ -54,11 +54,10 @@ void PIDClimate::control(const climate::ClimateCall &call) {
 }
 climate::ClimateTraits PIDClimate::traits() {
   auto traits = climate::ClimateTraits();
-  traits.set_supports_current_temperature(true);
-  traits.set_supports_two_point_target_temperature(false);
+  traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE | climate::CLIMATE_SUPPORTS_ACTION);
 
   if (this->humidity_sensor_ != nullptr)
-    traits.set_supports_current_humidity(true);
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_HUMIDITY);
 
   traits.set_supported_modes({climate::CLIMATE_MODE_OFF});
   if (supports_cool_())
@@ -68,7 +67,6 @@ climate::ClimateTraits PIDClimate::traits() {
   if (supports_heat_() && supports_cool_())
     traits.add_supported_mode(climate::CLIMATE_MODE_HEAT_COOL);
 
-  traits.set_supports_action(true);
   return traits;
 }
 void PIDClimate::dump_config() {
diff --git a/esphome/components/tuya/climate/tuya_climate.cpp b/esphome/components/tuya/climate/tuya_climate.cpp
index 7827a4e3ab..04fb14acff 100644
--- a/esphome/components/tuya/climate/tuya_climate.cpp
+++ b/esphome/components/tuya/climate/tuya_climate.cpp
@@ -283,8 +283,11 @@ void TuyaClimate::control_fan_mode_(const climate::ClimateCall &call) {
 
 climate::ClimateTraits TuyaClimate::traits() {
   auto traits = climate::ClimateTraits();
-  traits.set_supports_action(true);
-  traits.set_supports_current_temperature(this->current_temperature_id_.has_value());
+  traits.add_feature_flags(climate::CLIMATE_SUPPORTS_ACTION);
+  if (this->current_temperature_id_.has_value()) {
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
+  }
+
   if (supports_heat_)
     traits.add_supported_mode(climate::CLIMATE_MODE_HEAT);
   if (supports_cool_)
diff --git a/esphome/components/uponor_smatrix/climate/uponor_smatrix_climate.cpp b/esphome/components/uponor_smatrix/climate/uponor_smatrix_climate.cpp
index 8af106dfb7..4256b01c4e 100644
--- a/esphome/components/uponor_smatrix/climate/uponor_smatrix_climate.cpp
+++ b/esphome/components/uponor_smatrix/climate/uponor_smatrix_climate.cpp
@@ -30,10 +30,9 @@ void UponorSmatrixClimate::loop() {
 
 climate::ClimateTraits UponorSmatrixClimate::traits() {
   auto traits = climate::ClimateTraits();
-  traits.set_supports_current_temperature(true);
-  traits.set_supports_current_humidity(true);
+  traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE | climate::CLIMATE_SUPPORTS_CURRENT_HUMIDITY |
+                           climate::CLIMATE_SUPPORTS_ACTION);
   traits.set_supported_modes({climate::CLIMATE_MODE_HEAT});
-  traits.set_supports_action(true);
   traits.set_supported_presets({climate::CLIMATE_PRESET_ECO});
   traits.set_visual_min_temperature(this->min_temperature_);
   traits.set_visual_max_temperature(this->max_temperature_);
diff --git a/esphome/components/yashima/yashima.cpp b/esphome/components/yashima/yashima.cpp
index a3cf53ff66..bf91420620 100644
--- a/esphome/components/yashima/yashima.cpp
+++ b/esphome/components/yashima/yashima.cpp
@@ -81,7 +81,9 @@ const uint32_t YASHIMA_CARRIER_FREQUENCY = 38000;
 
 climate::ClimateTraits YashimaClimate::traits() {
   auto traits = climate::ClimateTraits();
-  traits.set_supports_current_temperature(this->sensor_ != nullptr);
+  if (this->sensor_ != nullptr) {
+    traits.add_feature_flags(climate::CLIMATE_SUPPORTS_CURRENT_TEMPERATURE);
+  }
 
   traits.set_supported_modes({climate::CLIMATE_MODE_OFF, climate::CLIMATE_MODE_HEAT_COOL});
   if (supports_cool_)
@@ -89,7 +91,6 @@ climate::ClimateTraits YashimaClimate::traits() {
   if (supports_heat_)
     traits.add_supported_mode(climate::CLIMATE_MODE_HEAT);
 
-  traits.set_supports_two_point_target_temperature(false);
   traits.set_visual_min_temperature(YASHIMA_TEMP_MIN);
   traits.set_visual_max_temperature(YASHIMA_TEMP_MAX);
   traits.set_visual_temperature_step(1);