diff --git a/esphome/components/api/custom_api_device.h b/esphome/components/api/custom_api_device.h
index 9f125a6149..845a35fc54 100644
--- a/esphome/components/api/custom_api_device.h
+++ b/esphome/components/api/custom_api_device.h
@@ -105,7 +105,7 @@ class CustomAPIDevice {
   /** Subscribe to the state (or attribute state) of an entity from Home Assistant.
    *
    * Usage:
-   *å
+   *
    * ```cpp
    * void setup() override {
    *   subscribe_homeassistant_state(&CustomNativeAPI::on_state_changed, "sensor.weather_forecast");
diff --git a/esphome/components/ethernet/ethernet_component.cpp b/esphome/components/ethernet/ethernet_component.cpp
index 2a4e5cbad3..087a3b1750 100644
--- a/esphome/components/ethernet/ethernet_component.cpp
+++ b/esphome/components/ethernet/ethernet_component.cpp
@@ -576,11 +576,11 @@ void EthernetComponent::ksz8081_set_clock_reference_(esp_eth_mac_t *mac) {
   /*
    * Bit 7 is `RMII Reference Clock Select`. Default is `0`.
    * KSZ8081RNA:
-   *   0 - clock input to XI (Pin 8) is 25 MHz for RMII – 25 MHz clock mode.
-   *   1 - clock input to XI (Pin 8) is 50 MHz for RMII – 50 MHz clock mode.
+   *   0 - clock input to XI (Pin 8) is 25 MHz for RMII - 25 MHz clock mode.
+   *   1 - clock input to XI (Pin 8) is 50 MHz for RMII - 50 MHz clock mode.
    * KSZ8081RND:
-   *   0 - clock input to XI (Pin 8) is 50 MHz for RMII – 50 MHz clock mode.
-   *   1 - clock input to XI (Pin 8) is 25 MHz (driven clock only, not a crystal) for RMII – 25 MHz clock mode.
+   *   0 - clock input to XI (Pin 8) is 50 MHz for RMII - 50 MHz clock mode.
+   *   1 - clock input to XI (Pin 8) is 25 MHz (driven clock only, not a crystal) for RMII - 25 MHz clock mode.
    */
   if ((phy_control_2 & (1 << 7)) != (1 << 7)) {
     phy_control_2 |= 1 << 7;
diff --git a/esphome/components/feedback/feedback_cover.cpp b/esphome/components/feedback/feedback_cover.cpp
index 117c626f58..fa3166ba65 100644
--- a/esphome/components/feedback/feedback_cover.cpp
+++ b/esphome/components/feedback/feedback_cover.cpp
@@ -244,7 +244,7 @@ void FeedbackCover::loop() {
 
   // update current position at requested interval, regardless of who started the movement
   // so that we also update UI if there was an external movement
-  // don´t save intermediate positions
+  // don't save intermediate positions
   if (now - this->last_publish_time_ > this->update_interval_) {
     this->publish_state(false);
     this->last_publish_time_ = now;
@@ -274,7 +274,7 @@ void FeedbackCover::control(const CoverCall &call) {
     if (pos == this->position) {
       // already at target,
 
-      // for covers with built in end stop, if we don´t have sensors we should send the command again
+      // for covers with built in end stop, if we don't have sensors we should send the command again
       // to make sure the assumed state is not wrong
       if (this->has_built_in_endstop_ && ((pos == COVER_OPEN
 #ifdef USE_BINARY_SENSOR
diff --git a/esphome/components/max6956/max6956.h b/esphome/components/max6956/max6956.h
index 141164ab30..759fa45b07 100644
--- a/esphome/components/max6956/max6956.h
+++ b/esphome/components/max6956/max6956.h
@@ -29,7 +29,7 @@ enum MAX6956GPIORegisters {
   MAX6956_PORT_CONFIG_START = 0x09,   // Port Configuration P7, P6, P5, P4
   MAX6956_CURRENT_START = 0x12,       // Current054
   MAX6956_1PORT_VALUE_START = 0x20,   // Port 0 only (virtual port, no action)
-  MAX6956_8PORTS_VALUE_START = 0x44,  // 8 ports 4–11 (data bits D0–D7)
+  MAX6956_8PORTS_VALUE_START = 0x44,  // 8 ports 4-11 (data bits D0-D7)
 };
 
 enum MAX6956GPIOFlag { FLAG_LED = 0x20 };
diff --git a/esphome/components/ntc/sensor.py b/esphome/components/ntc/sensor.py
index 06fc55fc43..961511fe00 100644
--- a/esphome/components/ntc/sensor.py
+++ b/esphome/components/ntc/sensor.py
@@ -100,7 +100,7 @@ def process_calibration(value):
     elif isinstance(value, list):
         if len(value) != 3:
             raise cv.Invalid(
-                "Steinhart–Hart Calibration must consist of exactly three values"
+                "Steinhart-Hart Calibration must consist of exactly three values"
             )
         value = cv.Schema([validate_calibration_parameter])(value)
         a, b, c = calc_steinhart_hart(value)
diff --git a/esphome/components/wifi/wifi_component.cpp b/esphome/components/wifi/wifi_component.cpp
index 2f34f2b05b..1359e0b7c5 100644
--- a/esphome/components/wifi/wifi_component.cpp
+++ b/esphome/components/wifi/wifi_component.cpp
@@ -58,7 +58,7 @@ void WiFiComponent::setup() {
 
 void WiFiComponent::start() {
   ESP_LOGCONFIG(TAG, "Starting WiFi...");
-  ESP_LOGCONFIG(TAG, "  Local MAC: %s", get_mac_address_pretty().c_str());
+  ESP_LOGCONFIG(TAG, "  Local MAC: %s", get_mac_address_pretty().c_str());
   this->last_connected_ = millis();
 
   uint32_t hash = this->has_sta() ? fnv1_hash(App.get_compilation_time()) : 88491487UL;