diff --git a/homeassistant/components/tado/climate.py b/homeassistant/components/tado/climate.py
index 0e8b968ca7c..f91e0f45b75 100644
--- a/homeassistant/components/tado/climate.py
+++ b/homeassistant/components/tado/climate.py
@@ -16,7 +16,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ATTR_TEMPERATURE, PRECISION_TENTHS, TEMP_CELSIUS
+from homeassistant.const import ATTR_TEMPERATURE, PRECISION_TENTHS, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import config_validation as cv, entity_platform
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
@@ -213,7 +213,7 @@ def create_climate_entity(tado, name: str, zone_id: int, device_info: dict):
 class TadoClimate(TadoZoneEntity, ClimateEntity):
     """Representation of a Tado climate entity."""
 
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(
         self,
diff --git a/homeassistant/components/tfiac/climate.py b/homeassistant/components/tfiac/climate.py
index 73e52ca1584..2e764b5c637 100644
--- a/homeassistant/components/tfiac/climate.py
+++ b/homeassistant/components/tfiac/climate.py
@@ -23,7 +23,7 @@ from homeassistant.components.climate import (
     ClimateEntityFeature,
     HVACMode,
 )
-from homeassistant.const import ATTR_TEMPERATURE, CONF_HOST, TEMP_FAHRENHEIT
+from homeassistant.const import ATTR_TEMPERATURE, CONF_HOST, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -84,7 +84,7 @@ class TfiacClimate(ClimateEntity):
         | ClimateEntityFeature.SWING_MODE
         | ClimateEntityFeature.TARGET_TEMPERATURE
     )
-    _attr_temperature_unit = TEMP_FAHRENHEIT
+    _attr_temperature_unit = UnitOfTemperature.FAHRENHEIT
 
     def __init__(self, hass, client):
         """Init class."""
diff --git a/homeassistant/components/tolo/climate.py b/homeassistant/components/tolo/climate.py
index e82fe34ab84..3afc641ba22 100644
--- a/homeassistant/components/tolo/climate.py
+++ b/homeassistant/components/tolo/climate.py
@@ -14,7 +14,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ATTR_TEMPERATURE, PRECISION_WHOLE, TEMP_CELSIUS
+from homeassistant.const import ATTR_TEMPERATURE, PRECISION_WHOLE, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -55,7 +55,7 @@ class SaunaClimate(ToloSaunaCoordinatorEntity, ClimateEntity):
         | ClimateEntityFeature.FAN_MODE
     )
     _attr_target_temperature_step = 1
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(
         self, coordinator: ToloSaunaUpdateCoordinator, entry: ConfigEntry
diff --git a/homeassistant/components/toon/climate.py b/homeassistant/components/toon/climate.py
index 4216d1c13fa..cc51bb03fec 100644
--- a/homeassistant/components/toon/climate.py
+++ b/homeassistant/components/toon/climate.py
@@ -21,7 +21,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
+from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -50,7 +50,7 @@ class ToonThermostatDevice(ToonDisplayDeviceEntity, ClimateEntity):
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(
         self,
diff --git a/homeassistant/components/touchline/climate.py b/homeassistant/components/touchline/climate.py
index 4ce1c4553cb..ed3d4500db1 100644
--- a/homeassistant/components/touchline/climate.py
+++ b/homeassistant/components/touchline/climate.py
@@ -12,7 +12,7 @@ from homeassistant.components.climate import (
     ClimateEntityFeature,
     HVACMode,
 )
-from homeassistant.const import ATTR_TEMPERATURE, CONF_HOST, TEMP_CELSIUS
+from homeassistant.const import ATTR_TEMPERATURE, CONF_HOST, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -68,7 +68,7 @@ class Touchline(ClimateEntity):
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(self, touchline_thermostat):
         """Initialize the Touchline device."""
diff --git a/homeassistant/components/tuya/climate.py b/homeassistant/components/tuya/climate.py
index 20e36028dba..1dce6ddad92 100644
--- a/homeassistant/components/tuya/climate.py
+++ b/homeassistant/components/tuya/climate.py
@@ -18,7 +18,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import TEMP_CELSIUS, TEMP_FAHRENHEIT
+from homeassistant.const import UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -147,16 +147,16 @@ class TuyaClimateEntity(TuyaEntity, ClimateEntity):
         ) or all(
             dpcode in device.status for dpcode in (DPCode.TEMP_SET, DPCode.TEMP_SET_F)
         ):
-            prefered_temperature_unit = TEMP_CELSIUS
+            prefered_temperature_unit = UnitOfTemperature.CELSIUS
             if any(
                 "f" in device.status[dpcode].lower()
                 for dpcode in (DPCode.C_F, DPCode.TEMP_UNIT_CONVERT)
                 if isinstance(device.status.get(dpcode), str)
             ):
-                prefered_temperature_unit = TEMP_FAHRENHEIT
+                prefered_temperature_unit = UnitOfTemperature.FAHRENHEIT
 
         # Default to Celsius
-        self._attr_temperature_unit = TEMP_CELSIUS
+        self._attr_temperature_unit = UnitOfTemperature.CELSIUS
 
         # Figure out current temperature, use preferred unit or what is available
         celsius_type = self.find_dpcode(
@@ -166,13 +166,16 @@ class TuyaClimateEntity(TuyaEntity, ClimateEntity):
             (DPCode.TEMP_CURRENT_F, DPCode.UPPER_TEMP_F), dptype=DPType.INTEGER
         )
         if farhenheit_type and (
-            prefered_temperature_unit == TEMP_FAHRENHEIT
-            or (prefered_temperature_unit == TEMP_CELSIUS and not celsius_type)
+            prefered_temperature_unit == UnitOfTemperature.FAHRENHEIT
+            or (
+                prefered_temperature_unit == UnitOfTemperature.CELSIUS
+                and not celsius_type
+            )
         ):
-            self._attr_temperature_unit = TEMP_FAHRENHEIT
+            self._attr_temperature_unit = UnitOfTemperature.FAHRENHEIT
             self._current_temperature = farhenheit_type
         elif celsius_type:
-            self._attr_temperature_unit = TEMP_CELSIUS
+            self._attr_temperature_unit = UnitOfTemperature.CELSIUS
             self._current_temperature = celsius_type
 
         # Figure out setting temperature, use preferred unit or what is available
@@ -183,8 +186,11 @@ class TuyaClimateEntity(TuyaEntity, ClimateEntity):
             DPCode.TEMP_SET_F, dptype=DPType.INTEGER, prefer_function=True
         )
         if farhenheit_type and (
-            prefered_temperature_unit == TEMP_FAHRENHEIT
-            or (prefered_temperature_unit == TEMP_CELSIUS and not celsius_type)
+            prefered_temperature_unit == UnitOfTemperature.FAHRENHEIT
+            or (
+                prefered_temperature_unit == UnitOfTemperature.CELSIUS
+                and not celsius_type
+            )
         ):
             self._set_temperature = farhenheit_type
         elif celsius_type:
diff --git a/homeassistant/components/velbus/climate.py b/homeassistant/components/velbus/climate.py
index 76eb3e30fa0..ccdfb3b073b 100644
--- a/homeassistant/components/velbus/climate.py
+++ b/homeassistant/components/velbus/climate.py
@@ -11,7 +11,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
+from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -40,7 +40,7 @@ class VelbusClimate(VelbusEntity, ClimateEntity):
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_hvac_mode = HVACMode.HEAT
     _attr_hvac_modes = [HVACMode.HEAT]
     _attr_preset_modes = list(PRESET_MODES)
diff --git a/homeassistant/components/venstar/climate.py b/homeassistant/components/venstar/climate.py
index 2a921fe3731..1d310052327 100644
--- a/homeassistant/components/venstar/climate.py
+++ b/homeassistant/components/venstar/climate.py
@@ -28,8 +28,7 @@ from homeassistant.const import (
     CONF_USERNAME,
     PRECISION_HALVES,
     STATE_ON,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
@@ -145,8 +144,8 @@ class VenstarThermostat(VenstarEntity, ClimateEntity):
     def temperature_unit(self) -> str:
         """Return the unit of measurement, as defined by the API."""
         if self._client.tempunits == self._client.TEMPUNITS_F:
-            return TEMP_FAHRENHEIT
-        return TEMP_CELSIUS
+            return UnitOfTemperature.FAHRENHEIT
+        return UnitOfTemperature.CELSIUS
 
     @property
     def current_temperature(self):
diff --git a/homeassistant/components/vera/climate.py b/homeassistant/components/vera/climate.py
index 924acbe6243..164da079ac1 100644
--- a/homeassistant/components/vera/climate.py
+++ b/homeassistant/components/vera/climate.py
@@ -14,12 +14,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import (
-    ATTR_TEMPERATURE,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
-    Platform,
-)
+from homeassistant.const import ATTR_TEMPERATURE, Platform, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -104,9 +99,9 @@ class VeraThermostat(VeraDevice[veraApi.VeraThermostat], ClimateEntity):
         vera_temp_units = self.vera_device.vera_controller.temperature_units
 
         if vera_temp_units == "F":
-            return TEMP_FAHRENHEIT
+            return UnitOfTemperature.FAHRENHEIT
 
-        return TEMP_CELSIUS
+        return UnitOfTemperature.CELSIUS
 
     @property
     def current_temperature(self) -> float | None:
diff --git a/homeassistant/components/vicare/climate.py b/homeassistant/components/vicare/climate.py
index 9d507ab9913..c8a4781fa0a 100644
--- a/homeassistant/components/vicare/climate.py
+++ b/homeassistant/components/vicare/climate.py
@@ -27,7 +27,7 @@ from homeassistant.const import (
     ATTR_TEMPERATURE,
     PRECISION_TENTHS,
     PRECISION_WHOLE,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_platform
@@ -147,7 +147,7 @@ class ViCareClimate(ClimateEntity):
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(self, name, api, circuit, device_config, heating_type):
         """Initialize the climate device."""
diff --git a/homeassistant/components/whirlpool/climate.py b/homeassistant/components/whirlpool/climate.py
index 729746a0bcf..ad4cd2ea389 100644
--- a/homeassistant/components/whirlpool/climate.py
+++ b/homeassistant/components/whirlpool/climate.py
@@ -22,7 +22,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
+from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import generate_entity_id
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -102,7 +102,7 @@ class AirConEntity(ClimateEntity):
     )
     _attr_swing_modes = SUPPORTED_SWING_MODES
     _attr_target_temperature_step = SUPPORTED_TARGET_TEMPERATURE_STEP
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_should_poll = False
 
     def __init__(self, hass, said, name, backend_selector: BackendSelector, auth: Auth):
diff --git a/homeassistant/components/yolink/climate.py b/homeassistant/components/yolink/climate.py
index d79c7d0fa15..a151e30062d 100644
--- a/homeassistant/components/yolink/climate.py
+++ b/homeassistant/components/yolink/climate.py
@@ -16,7 +16,7 @@ from homeassistant.components.climate import (
     HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import TEMP_CELSIUS
+from homeassistant.const import UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -67,7 +67,7 @@ class YoLinkClimateEntity(YoLinkEntity, ClimateEntity):
         super().__init__(config_entry, coordinator)
         self._attr_unique_id = f"{coordinator.device.device_id}_climate"
         self._attr_name = f"{coordinator.device.device_name} (Thermostat)"
-        self._attr_temperature_unit = TEMP_CELSIUS
+        self._attr_temperature_unit = UnitOfTemperature.CELSIUS
         self._attr_fan_modes = [FAN_ON, FAN_AUTO]
         self._attr_min_temp = -10
         self._attr_max_temp = 50
diff --git a/homeassistant/components/zha/climate.py b/homeassistant/components/zha/climate.py
index 4de07bf0d74..05b0528b330 100644
--- a/homeassistant/components/zha/climate.py
+++ b/homeassistant/components/zha/climate.py
@@ -33,8 +33,8 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_TEMPERATURE,
     PRECISION_TENTHS,
-    TEMP_CELSIUS,
     Platform,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
@@ -139,7 +139,7 @@ class Thermostat(ZhaEntity, ClimateEntity):
     DEFAULT_MIN_TEMP = 7
 
     _attr_precision = PRECISION_TENTHS
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(self, unique_id, zha_device, channels, **kwargs):
         """Initialize ZHA Thermostat instance."""
diff --git a/homeassistant/components/zhong_hong/climate.py b/homeassistant/components/zhong_hong/climate.py
index 265d4d15506..1364dbe107a 100644
--- a/homeassistant/components/zhong_hong/climate.py
+++ b/homeassistant/components/zhong_hong/climate.py
@@ -20,7 +20,7 @@ from homeassistant.const import (
     CONF_HOST,
     CONF_PORT,
     EVENT_HOMEASSISTANT_STOP,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
@@ -130,7 +130,7 @@ class ZhongHongClimate(ClimateEntity):
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.FAN_MODE
     )
-    _attr_temperature_unit = TEMP_CELSIUS
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
 
     def __init__(self, hub, addr_out, addr_in):
         """Set up the ZhongHong climate devices."""