diff --git a/homeassistant/components/bond/fan.py b/homeassistant/components/bond/fan.py
index 18ce3777b4e..bd4f01bce52 100644
--- a/homeassistant/components/bond/fan.py
+++ b/homeassistant/components/bond/fan.py
@@ -82,9 +82,9 @@ class BondFan(BondEntity, FanEntity):
         self._attr_preset_mode = PRESET_MODE_BREEZE if breeze[0] else None
 
     @property
-    def supported_features(self) -> FanEntityFeature | int:
+    def supported_features(self) -> FanEntityFeature:
         """Flag supported features."""
-        features = 0
+        features = FanEntityFeature(0)
         if self._device.supports_speed():
             features |= FanEntityFeature.SET_SPEED
         if self._device.supports_direction():
diff --git a/homeassistant/components/esphome/fan.py b/homeassistant/components/esphome/fan.py
index fc8a3e600f3..27952d36c60 100644
--- a/homeassistant/components/esphome/fan.py
+++ b/homeassistant/components/esphome/fan.py
@@ -158,9 +158,9 @@ class EsphomeFan(EsphomeEntity[FanInfo, FanState], FanEntity):
         return _FAN_DIRECTIONS.from_esphome(self._state.direction)
 
     @property
-    def supported_features(self) -> FanEntityFeature | int:
+    def supported_features(self) -> FanEntityFeature:
         """Flag supported features."""
-        flags = 0
+        flags = FanEntityFeature(0)
         if self._static_info.supports_oscillation:
             flags |= FanEntityFeature.OSCILLATE
         if self._static_info.supports_speed:
diff --git a/homeassistant/components/fan/__init__.py b/homeassistant/components/fan/__init__.py
index b5cd653502f..e143b93258e 100644
--- a/homeassistant/components/fan/__init__.py
+++ b/homeassistant/components/fan/__init__.py
@@ -190,7 +190,7 @@ class FanEntity(ToggleEntity):
     _attr_preset_mode: str | None
     _attr_preset_modes: list[str] | None
     _attr_speed_count: int
-    _attr_supported_features: FanEntityFeature | int = 0
+    _attr_supported_features: FanEntityFeature = FanEntityFeature(0)
 
     def set_percentage(self, percentage: int) -> None:
         """Set the speed of the fan, as a percentage."""
@@ -363,7 +363,7 @@ class FanEntity(ToggleEntity):
         return data
 
     @property
-    def supported_features(self) -> FanEntityFeature | int:
+    def supported_features(self) -> FanEntityFeature:
         """Flag supported features."""
         return self._attr_supported_features
 
diff --git a/homeassistant/components/group/fan.py b/homeassistant/components/group/fan.py
index 09b59a2d123..682890dddd6 100644
--- a/homeassistant/components/group/fan.py
+++ b/homeassistant/components/group/fan.py
@@ -313,8 +313,10 @@ class FanGroup(GroupEntity, FanEntity):
             "_direction", FanEntityFeature.DIRECTION, ATTR_DIRECTION
         )
 
-        self._attr_supported_features = reduce(
-            ior, [feature for feature in SUPPORTED_FLAGS if self._fans[feature]], 0
+        self._attr_supported_features = FanEntityFeature(
+            reduce(
+                ior, [feature for feature in SUPPORTED_FLAGS if self._fans[feature]], 0
+            )
         )
         self._attr_assumed_state |= any(
             state.attributes.get(ATTR_ASSUMED_STATE) for state in states
diff --git a/homeassistant/components/homekit_controller/fan.py b/homeassistant/components/homekit_controller/fan.py
index dffa323f8ad..550f86ddbe4 100644
--- a/homeassistant/components/homekit_controller/fan.py
+++ b/homeassistant/components/homekit_controller/fan.py
@@ -95,9 +95,9 @@ class BaseHomeKitFan(HomeKitEntity, FanEntity):
         return oscillating == 1
 
     @property
-    def supported_features(self) -> FanEntityFeature | int:
+    def supported_features(self) -> FanEntityFeature:
         """Flag supported features."""
-        features = 0
+        features = FanEntityFeature(0)
 
         if self.service.has(CharacteristicsTypes.ROTATION_DIRECTION):
             features |= FanEntityFeature.DIRECTION
diff --git a/homeassistant/components/mqtt/fan.py b/homeassistant/components/mqtt/fan.py
index ef5386664f5..9da7721a7dc 100644
--- a/homeassistant/components/mqtt/fan.py
+++ b/homeassistant/components/mqtt/fan.py
@@ -334,7 +334,7 @@ class MqttFan(MqttEntity, FanEntity):
             optimistic or self._topic[CONF_PRESET_MODE_STATE_TOPIC] is None
         )
 
-        self._attr_supported_features = 0
+        self._attr_supported_features = FanEntityFeature(0)
         self._attr_supported_features |= (
             self._topic[CONF_OSCILLATION_COMMAND_TOPIC] is not None
             and FanEntityFeature.OSCILLATE
diff --git a/pylint/plugins/hass_enforce_type_hints.py b/pylint/plugins/hass_enforce_type_hints.py
index a8d1eb16110..0ae157a694f 100644
--- a/pylint/plugins/hass_enforce_type_hints.py
+++ b/pylint/plugins/hass_enforce_type_hints.py
@@ -1290,7 +1290,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 ),
                 TypeHintMatch(
                     function_name="supported_features",
-                    return_type=["FanEntityFeature", "int"],
+                    return_type="FanEntityFeature",
                 ),
                 TypeHintMatch(
                     function_name="set_percentage",