diff --git a/homeassistant/components/coolmaster/climate.py b/homeassistant/components/coolmaster/climate.py
index 22eaf5281da..2f2ea58bd5b 100644
--- a/homeassistant/components/coolmaster/climate.py
+++ b/homeassistant/components/coolmaster/climate.py
@@ -1,15 +1,8 @@
 """CoolMasterNet platform to control of CoolMasterNet Climate Devices."""
 import logging
 
-from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
-from homeassistant.components.climate.const import (
-    HVAC_MODE_COOL,
-    HVAC_MODE_DRY,
-    HVAC_MODE_FAN_ONLY,
-    HVAC_MODE_HEAT,
-    HVAC_MODE_HEAT_COOL,
-    HVAC_MODE_OFF,
-)
+from homeassistant.components.climate import ClimateEntity
+from homeassistant.components.climate.const import ClimateEntityFeature, HVACMode
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS, TEMP_FAHRENHEIT
 from homeassistant.core import HomeAssistant, callback
@@ -20,11 +13,11 @@ from homeassistant.helpers.update_coordinator import CoordinatorEntity
 from .const import CONF_SUPPORTED_MODES, DATA_COORDINATOR, DATA_INFO, DOMAIN
 
 CM_TO_HA_STATE = {
-    "heat": HVAC_MODE_HEAT,
-    "cool": HVAC_MODE_COOL,
-    "auto": HVAC_MODE_HEAT_COOL,
-    "dry": HVAC_MODE_DRY,
-    "fan": HVAC_MODE_FAN_ONLY,
+    "heat": HVACMode.HEAT,
+    "cool": HVACMode.COOL,
+    "auto": HVACMode.HEAT_COOL,
+    "dry": HVACMode.DRY,
+    "fan": HVACMode.FAN_ONLY,
 }
 
 HA_STATE_TO_CM = {value: key for key, value in CM_TO_HA_STATE.items()}
@@ -122,7 +115,7 @@ class CoolmasterClimate(CoordinatorEntity, ClimateEntity):
         """Return hvac target hvac state."""
         mode = self._unit.mode
         if not self._unit.is_on:
-            return HVAC_MODE_OFF
+            return HVACMode.OFF
 
         return CM_TO_HA_STATE[mode]
 
@@ -158,7 +151,7 @@ class CoolmasterClimate(CoordinatorEntity, ClimateEntity):
         """Set new operation mode."""
         _LOGGER.debug("Setting operation mode of %s to %s", self.unique_id, hvac_mode)
 
-        if hvac_mode == HVAC_MODE_OFF:
+        if hvac_mode == HVACMode.OFF:
             await self.async_turn_off()
         else:
             self._unit = await self._unit.set_mode(HA_STATE_TO_CM[hvac_mode])