diff --git a/esphome/components/thermostat/thermostat_climate.cpp b/esphome/components/thermostat/thermostat_climate.cpp
index 54e9f1687c..61e279d4a6 100644
--- a/esphome/components/thermostat/thermostat_climate.cpp
+++ b/esphome/components/thermostat/thermostat_climate.cpp
@@ -974,9 +974,19 @@ void ThermostatClimate::change_preset_(climate::ClimatePreset preset) {
   auto config = this->preset_config_.find(preset);
 
   if (config != this->preset_config_.end()) {
-    ESP_LOGI(TAG, "Switching to preset  %s", LOG_STR_ARG(climate::climate_preset_to_string(preset)));
-    this->change_preset_internal_(config->second);
+    ESP_LOGI(TAG, "Preset %s requested", LOG_STR_ARG(climate::climate_preset_to_string(preset)));
+    if (this->change_preset_internal_(config->second) || (!this->preset.has_value()) ||
+        this->preset.value() != preset) {
+      // Fire any preset changed trigger if defined
+      Trigger<> *trig = this->preset_change_trigger_;
+      assert(trig != nullptr);
+      trig->trigger();
 
+      this->refresh();
+      ESP_LOGI(TAG, "Preset %s applied", LOG_STR_ARG(climate::climate_preset_to_string(preset)));
+    } else {
+      ESP_LOGI(TAG, "No changes required to apply preset %s", LOG_STR_ARG(climate::climate_preset_to_string(preset)));
+    }
     this->custom_preset.reset();
     this->preset = preset;
   } else {
@@ -988,9 +998,19 @@ void ThermostatClimate::change_custom_preset_(const std::string &custom_preset)
   auto config = this->custom_preset_config_.find(custom_preset);
 
   if (config != this->custom_preset_config_.end()) {
-    ESP_LOGI(TAG, "Switching to custom preset  %s", custom_preset.c_str());
-    this->change_preset_internal_(config->second);
+    ESP_LOGI(TAG, "Custom preset %s requested", custom_preset.c_str());
+    if (this->change_preset_internal_(config->second) || (!this->custom_preset.has_value()) ||
+        this->custom_preset.value() != custom_preset) {
+      // Fire any preset changed trigger if defined
+      Trigger<> *trig = this->preset_change_trigger_;
+      assert(trig != nullptr);
+      trig->trigger();
 
+      this->refresh();
+      ESP_LOGI(TAG, "Custom preset %s applied", custom_preset.c_str());
+    } else {
+      ESP_LOGI(TAG, "No changes required to apply custom preset %s", custom_preset.c_str());
+    }
     this->preset.reset();
     this->custom_preset = custom_preset;
   } else {
@@ -998,39 +1018,46 @@ void ThermostatClimate::change_custom_preset_(const std::string &custom_preset)
   }
 }
 
-void ThermostatClimate::change_preset_internal_(const ThermostatClimateTargetTempConfig &config) {
+bool ThermostatClimate::change_preset_internal_(const ThermostatClimateTargetTempConfig &config) {
+  bool something_changed = false;
+
   if (this->supports_two_points_) {
-    this->target_temperature_low = config.default_temperature_low;
-    this->target_temperature_high = config.default_temperature_high;
+    if (this->target_temperature_low != config.default_temperature_low) {
+      this->target_temperature_low = config.default_temperature_low;
+      something_changed = true;
+    }
+    if (this->target_temperature_high != config.default_temperature_high) {
+      this->target_temperature_high = config.default_temperature_high;
+      something_changed = true;
+    }
   } else {
-    this->target_temperature = config.default_temperature;
+    if (this->target_temperature != config.default_temperature) {
+      this->target_temperature = config.default_temperature;
+      something_changed = true;
+    }
   }
 
-  // Note: The mode, fan_mode, and swing_mode can all be defined on the preset but if the climate.control call
-  // also specifies them then the control's version will override these for that call
-  if (config.mode_.has_value()) {
-    this->mode = *config.mode_;
+  // Note: The mode, fan_mode and swing_mode can all be defined in the preset but if the climate.control call
+  //  also specifies them then the climate.control call's values will override the preset's values for that call
+  if (config.mode_.has_value() && (this->mode != config.mode_.value())) {
     ESP_LOGV(TAG, "Setting mode to %s", LOG_STR_ARG(climate::climate_mode_to_string(*config.mode_)));
+    this->mode = *config.mode_;
+    something_changed = true;
   }
 
-  if (config.fan_mode_.has_value()) {
-    this->fan_mode = *config.fan_mode_;
+  if (config.fan_mode_.has_value() && (this->fan_mode != config.fan_mode_.value())) {
     ESP_LOGV(TAG, "Setting fan mode to %s", LOG_STR_ARG(climate::climate_fan_mode_to_string(*config.fan_mode_)));
+    this->fan_mode = *config.fan_mode_;
+    something_changed = true;
   }
 
-  if (config.swing_mode_.has_value()) {
+  if (config.swing_mode_.has_value() && (this->swing_mode != config.swing_mode_.value())) {
     ESP_LOGV(TAG, "Setting swing mode to %s", LOG_STR_ARG(climate::climate_swing_mode_to_string(*config.swing_mode_)));
     this->swing_mode = *config.swing_mode_;
+    something_changed = true;
   }
 
-  // Fire any preset changed trigger if defined
-  if (this->preset != preset) {
-    Trigger<> *trig = this->preset_change_trigger_;
-    assert(trig != nullptr);
-    trig->trigger();
-  }
-
-  this->refresh();
+  return something_changed;
 }
 
 void ThermostatClimate::set_preset_config(climate::ClimatePreset preset,
diff --git a/esphome/components/thermostat/thermostat_climate.h b/esphome/components/thermostat/thermostat_climate.h
index a738ba4986..68cbb17e34 100644
--- a/esphome/components/thermostat/thermostat_climate.h
+++ b/esphome/components/thermostat/thermostat_climate.h
@@ -168,7 +168,8 @@ class ThermostatClimate : public climate::Climate, public Component {
 
   /// Applies the temperature, mode, fan, and swing modes of the provided config.
   /// This is agnostic of custom vs built in preset
-  void change_preset_internal_(const ThermostatClimateTargetTempConfig &config);
+  /// Returns true if something was changed
+  bool change_preset_internal_(const ThermostatClimateTargetTempConfig &config);
 
   /// Return the traits of this controller.
   climate::ClimateTraits traits() override;