diff --git a/homeassistant/components/lookin/climate.py b/homeassistant/components/lookin/climate.py
index dd6e7c8cffa..b8042cef72a 100644
--- a/homeassistant/components/lookin/climate.py
+++ b/homeassistant/components/lookin/climate.py
@@ -7,21 +7,17 @@ from typing import Any, Final, cast
 from aiolookin import Climate, MeteoSensor
 from aiolookin.models import UDPCommandType, UDPEvent
 
-from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     FAN_AUTO,
     FAN_HIGH,
     FAN_LOW,
     FAN_MIDDLE,
-    HVAC_MODE_AUTO,
-    HVAC_MODE_COOL,
-    HVAC_MODE_DRY,
-    HVAC_MODE_FAN_ONLY,
-    HVAC_MODE_HEAT,
-    HVAC_MODE_OFF,
     SWING_BOTH,
     SWING_OFF,
+    ClimateEntityFeature,
+    HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -41,12 +37,12 @@ from .models import LookinData
 LOOKIN_FAN_MODE_IDX_TO_HASS: Final = [FAN_AUTO, FAN_LOW, FAN_MIDDLE, FAN_HIGH]
 LOOKIN_SWING_MODE_IDX_TO_HASS: Final = [SWING_OFF, SWING_BOTH]
 LOOKIN_HVAC_MODE_IDX_TO_HASS: Final = [
-    HVAC_MODE_OFF,
-    HVAC_MODE_AUTO,
-    HVAC_MODE_COOL,
-    HVAC_MODE_HEAT,
-    HVAC_MODE_DRY,
-    HVAC_MODE_FAN_ONLY,
+    HVACMode.OFF,
+    HVACMode.AUTO,
+    HVACMode.COOL,
+    HVACMode.HEAT,
+    HVACMode.DRY,
+    HVACMode.FAN_ONLY,
 ]
 
 HASS_TO_LOOKIN_HVAC_MODE: dict[str, int] = {
@@ -104,7 +100,7 @@ class ConditionerEntity(LookinCoordinatorEntity, ClimateEntity):
     )
     _attr_fan_modes: list[str] = LOOKIN_FAN_MODE_IDX_TO_HASS
     _attr_swing_modes: list[str] = LOOKIN_SWING_MODE_IDX_TO_HASS
-    _attr_hvac_modes: list[str] = LOOKIN_HVAC_MODE_IDX_TO_HASS
+    _attr_hvac_modes: list[HVACMode] = LOOKIN_HVAC_MODE_IDX_TO_HASS
     _attr_min_temp = MIN_TEMP
     _attr_max_temp = MAX_TEMP
     _attr_target_temperature_step = PRECISION_WHOLE
@@ -124,7 +120,7 @@ class ConditionerEntity(LookinCoordinatorEntity, ClimateEntity):
     def _climate(self) -> Climate:
         return cast(Climate, self.coordinator.data)
 
-    async def async_set_hvac_mode(self, hvac_mode: str) -> None:
+    async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
         """Set the hvac mode of the device."""
         if (mode := HASS_TO_LOOKIN_HVAC_MODE.get(hvac_mode)) is None:
             return
@@ -139,7 +135,7 @@ class ConditionerEntity(LookinCoordinatorEntity, ClimateEntity):
         lookin_index = LOOKIN_HVAC_MODE_IDX_TO_HASS
         if hvac_mode := kwargs.get(ATTR_HVAC_MODE):
             self._climate.hvac_mode = HASS_TO_LOOKIN_HVAC_MODE[hvac_mode]
-        elif self._climate.hvac_mode == lookin_index.index(HVAC_MODE_OFF):
+        elif self._climate.hvac_mode == lookin_index.index(HVACMode.OFF):
             #
             # If the device is off, and the user didn't specify an HVAC mode
             # (which is the default when using the HA UI), the device won't turn
@@ -152,11 +148,11 @@ class ConditionerEntity(LookinCoordinatorEntity, ClimateEntity):
             #
             meteo_data: MeteoSensor = self._meteo_coordinator.data
             if not (current_temp := meteo_data.temperature):
-                self._climate.hvac_mode = lookin_index.index(HVAC_MODE_AUTO)
+                self._climate.hvac_mode = lookin_index.index(HVACMode.AUTO)
             elif current_temp >= self._climate.temp_celsius:
-                self._climate.hvac_mode = lookin_index.index(HVAC_MODE_COOL)
+                self._climate.hvac_mode = lookin_index.index(HVACMode.COOL)
             else:
-                self._climate.hvac_mode = lookin_index.index(HVAC_MODE_HEAT)
+                self._climate.hvac_mode = lookin_index.index(HVACMode.HEAT)
         await self._async_update_conditioner()
 
     async def async_set_fan_mode(self, fan_mode: str) -> None: