diff --git a/homeassistant/components/melcloud/climate.py b/homeassistant/components/melcloud/climate.py
index 4e8c56b3a67e..4c085821ee7b 100644
--- a/homeassistant/components/melcloud/climate.py
+++ b/homeassistant/components/melcloud/climate.py
@@ -14,7 +14,7 @@ from pymelcloud.atw_device import (
 )
 import voluptuous as vol
 
-from homeassistant.components.climate import ClimateEntity
+from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     DEFAULT_MAX_TEMP,
@@ -25,9 +25,6 @@ from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     HVAC_MODE_HEAT_COOL,
     HVAC_MODE_OFF,
-    SUPPORT_FAN_MODE,
-    SUPPORT_SWING_MODE,
-    SUPPORT_TARGET_TEMPERATURE,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
@@ -128,7 +125,9 @@ class AtaDeviceClimate(MelCloudClimate):
     """Air-to-Air climate device."""
 
     _attr_supported_features = (
-        SUPPORT_FAN_MODE | SUPPORT_TARGET_TEMPERATURE | SUPPORT_SWING_MODE
+        ClimateEntityFeature.FAN_MODE
+        | ClimateEntityFeature.TARGET_TEMPERATURE
+        | ClimateEntityFeature.SWING_MODE
     )
 
     def __init__(self, device: MelCloudDevice, ata_device: AtaDevice) -> None:
@@ -296,7 +295,7 @@ class AtwDeviceZoneClimate(MelCloudClimate):
 
     _attr_max_temp = 30
     _attr_min_temp = 10
-    _attr_supported_features = SUPPORT_TARGET_TEMPERATURE
+    _attr_supported_features = ClimateEntityFeature.TARGET_TEMPERATURE
 
     def __init__(
         self, device: MelCloudDevice, atw_device: AtwDevice, atw_zone: Zone
diff --git a/homeassistant/components/melcloud/water_heater.py b/homeassistant/components/melcloud/water_heater.py
index 84bc5d361103..c9075abb008c 100644
--- a/homeassistant/components/melcloud/water_heater.py
+++ b/homeassistant/components/melcloud/water_heater.py
@@ -9,9 +9,8 @@ from pymelcloud.atw_device import (
 from pymelcloud.device import PROPERTY_POWER
 
 from homeassistant.components.water_heater import (
-    SUPPORT_OPERATION_MODE,
-    SUPPORT_TARGET_TEMPERATURE,
     WaterHeaterEntity,
+    WaterHeaterEntityFeature,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import TEMP_CELSIUS
@@ -39,6 +38,11 @@ async def async_setup_entry(
 class AtwWaterHeater(WaterHeaterEntity):
     """Air-to-Water water heater."""
 
+    _attr_supported_features = (
+        WaterHeaterEntityFeature.TARGET_TEMPERATURE
+        | WaterHeaterEntityFeature.OPERATION_MODE
+    )
+
     def __init__(self, api: MelCloudDevice, device: AtwDevice) -> None:
         """Initialize water heater device."""
         self._api = api
@@ -117,11 +121,6 @@ class AtwWaterHeater(WaterHeaterEntity):
         """Set new target operation mode."""
         await self._device.set({PROPERTY_OPERATION_MODE: operation_mode})
 
-    @property
-    def supported_features(self):
-        """Return the list of supported features."""
-        return SUPPORT_TARGET_TEMPERATURE | SUPPORT_OPERATION_MODE
-
     @property
     def min_temp(self) -> float | None:
         """Return the minimum temperature."""