diff --git a/custom_components/xiaomi_miot/climate.py b/custom_components/xiaomi_miot/climate.py
index d9f25403b..afdc6fba4 100644
--- a/custom_components/xiaomi_miot/climate.py
+++ b/custom_components/xiaomi_miot/climate.py
@@ -165,8 +165,6 @@ def __init__(self, config: dict, miot_service: MiotService):
             self._supported_features |= ClimateEntityFeature.FAN_MODE
         if self._prop_horizontal_swing or self._prop_vertical_swing:
             self._supported_features |= ClimateEntityFeature.SWING_MODE
-        if self._prop_heater and miot_service.name in ['air_conditioner', 'air_condition_outlet']:
-            self._supported_features |= ClimateEntityFeature.AUX_HEAT
 
         self._power_modes = []
         if miot_service.get_property('heat_level'):
diff --git a/custom_components/xiaomi_miot/core/device_customizes.py b/custom_components/xiaomi_miot/core/device_customizes.py
index c764261f2..7875ada02 100644
--- a/custom_components/xiaomi_miot/core/device_customizes.py
+++ b/custom_components/xiaomi_miot/core/device_customizes.py
@@ -1678,7 +1678,7 @@
 
     '*.aircondition.*': {
         'sensor_properties': 'electricity.electricity',
-        'switch_properties': 'air_conditioner.on,alarm.alarm',
+        'switch_properties': 'air_conditioner.on,alarm.alarm,heater',
         'fan_services': 'air_fresh',
     },
     '*.airer.*': {