diff --git a/homeassistant/components/esphome/climate.py b/homeassistant/components/esphome/climate.py
index 4f38d1caa24..e27d1d47bca 100644
--- a/homeassistant/components/esphome/climate.py
+++ b/homeassistant/components/esphome/climate.py
@@ -197,7 +197,7 @@ class EsphomeClimateEntity(EsphomeEntity[ClimateInfo, ClimateState], ClimateEnti
         return self._static_info.visual_max_temperature
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> ClimateEntityFeature | int:
         """Return the list of supported features."""
         features = 0
         if self._static_info.supports_two_point_target_temperature:
diff --git a/homeassistant/components/homekit_controller/climate.py b/homeassistant/components/homekit_controller/climate.py
index 41e88725121..3838c3a862e 100644
--- a/homeassistant/components/homekit_controller/climate.py
+++ b/homeassistant/components/homekit_controller/climate.py
@@ -148,7 +148,7 @@ class HomeKitBaseClimateEntity(HomeKitEntity, ClimateEntity):
         )
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> ClimateEntityFeature | int:
         """Return the list of supported features."""
         features = 0
 
@@ -368,7 +368,7 @@ class HomeKitHeaterCoolerEntity(HomeKitBaseClimateEntity):
         )
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> ClimateEntityFeature | int:
         """Return the list of supported features."""
         features = super().supported_features
 
@@ -602,7 +602,7 @@ class HomeKitClimateEntity(HomeKitBaseClimateEntity):
         return [MODE_HOMEKIT_TO_HASS[mode] for mode in valid_values]
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> ClimateEntityFeature | int:
         """Return the list of supported features."""
         features = super().supported_features
 
diff --git a/homeassistant/components/izone/climate.py b/homeassistant/components/izone/climate.py
index 31ad5f7860d..d65ebae24d4 100644
--- a/homeassistant/components/izone/climate.py
+++ b/homeassistant/components/izone/climate.py
@@ -518,7 +518,7 @@ class ZoneDevice(ClimateEntity):
 
     @property
     @_return_on_connection_error(0)
-    def supported_features(self) -> int:
+    def supported_features(self) -> ClimateEntityFeature | int:
         """Return the list of supported features."""
         if self._zone.mode == Zone.Mode.AUTO:
             return self._attr_supported_features
diff --git a/homeassistant/components/mqtt/climate.py b/homeassistant/components/mqtt/climate.py
index ef5a25d959b..8ce43cac752 100644
--- a/homeassistant/components/mqtt/climate.py
+++ b/homeassistant/components/mqtt/climate.py
@@ -475,7 +475,7 @@ class MqttClimate(MqttEntity, ClimateEntity):
                 config.get(key), entity=self
             ).async_render
 
-        support: int = 0
+        support: ClimateEntityFeature | int = 0
         if (self._topic[CONF_TEMP_STATE_TOPIC] is not None) or (
             self._topic[CONF_TEMP_COMMAND_TOPIC] is not None
         ):
diff --git a/homeassistant/components/mysensors/climate.py b/homeassistant/components/mysensors/climate.py
index 44468d8db4c..abaa74ab2fa 100644
--- a/homeassistant/components/mysensors/climate.py
+++ b/homeassistant/components/mysensors/climate.py
@@ -77,7 +77,7 @@ class MySensorsHVAC(mysensors.device.MySensorsEntity, ClimateEntity):
     _attr_hvac_modes = OPERATION_LIST
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> ClimateEntityFeature | int:
         """Return the list of supported features."""
         features = 0
         set_req = self.gateway.const.SetReq
diff --git a/homeassistant/components/sensibo/climate.py b/homeassistant/components/sensibo/climate.py
index 70d4a12406a..4c11d5e781b 100644
--- a/homeassistant/components/sensibo/climate.py
+++ b/homeassistant/components/sensibo/climate.py
@@ -176,7 +176,7 @@ class SensiboClimate(SensiboDeviceBaseEntity, ClimateEntity):
         self._attr_supported_features = self.get_features()
         self._attr_precision = PRECISION_TENTHS
 
-    def get_features(self) -> int:
+    def get_features(self) -> ClimateEntityFeature | int:
         """Get supported features."""
         features = 0
         for key in self.device_data.full_features: