diff --git a/homeassistant/components/ecoal_boiler/sensor.py b/homeassistant/components/ecoal_boiler/sensor.py
index 5c8bf926fce..06dfec9ff01 100644
--- a/homeassistant/components/ecoal_boiler/sensor.py
+++ b/homeassistant/components/ecoal_boiler/sensor.py
@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
-from homeassistant.const import TEMP_CELSIUS
+from homeassistant.const import UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
@@ -31,7 +31,7 @@ class EcoalTempSensor(SensorEntity):
     """Representation of a temperature sensor using ecoal status data."""
 
     _attr_device_class = SensorDeviceClass.TEMPERATURE
-    _attr_native_unit_of_measurement = TEMP_CELSIUS
+    _attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
 
     def __init__(self, ecoal_contr, name, status_attr):
         """Initialize the sensor."""
diff --git a/homeassistant/components/ecobee/sensor.py b/homeassistant/components/ecobee/sensor.py
index 30949e36f8e..b9d61742838 100644
--- a/homeassistant/components/ecobee/sensor.py
+++ b/homeassistant/components/ecobee/sensor.py
@@ -16,7 +16,7 @@ from homeassistant.const import (
     CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
     CONCENTRATION_PARTS_PER_MILLION,
     PERCENTAGE,
-    TEMP_FAHRENHEIT,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import DeviceInfo
@@ -43,7 +43,7 @@ SENSOR_TYPES: tuple[EcobeeSensorEntityDescription, ...] = (
     EcobeeSensorEntityDescription(
         key="temperature",
         name="Temperature",
-        native_unit_of_measurement=TEMP_FAHRENHEIT,
+        native_unit_of_measurement=UnitOfTemperature.FAHRENHEIT,
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
         runtime_key=None,
diff --git a/homeassistant/components/econet/__init__.py b/homeassistant/components/econet/__init__.py
index 6b312de8b0a..ee8db43baf2 100644
--- a/homeassistant/components/econet/__init__.py
+++ b/homeassistant/components/econet/__init__.py
@@ -13,7 +13,7 @@ from pyeconet.errors import (
 )
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_EMAIL, CONF_PASSWORD, TEMP_FAHRENHEIT, Platform
+from homeassistant.const import CONF_EMAIL, CONF_PASSWORD, Platform, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers.dispatcher import async_dispatcher_connect, dispatcher_send
@@ -156,4 +156,4 @@ class EcoNetEntity(Entity):
     @property
     def temperature_unit(self):
         """Return the unit of measurement."""
-        return TEMP_FAHRENHEIT
+        return UnitOfTemperature.FAHRENHEIT
diff --git a/homeassistant/components/eddystone_temperature/sensor.py b/homeassistant/components/eddystone_temperature/sensor.py
index d0bf4a87cc2..8e5e7ce48da 100644
--- a/homeassistant/components/eddystone_temperature/sensor.py
+++ b/homeassistant/components/eddystone_temperature/sensor.py
@@ -22,7 +22,7 @@ from homeassistant.const import (
     EVENT_HOMEASSISTANT_START,
     EVENT_HOMEASSISTANT_STOP,
     STATE_UNKNOWN,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import Event, HomeAssistant
 import homeassistant.helpers.config_validation as cv
@@ -114,7 +114,7 @@ class EddystoneTemp(SensorEntity):
     """Representation of a temperature sensor."""
 
     _attr_device_class = SensorDeviceClass.TEMPERATURE
-    _attr_native_unit_of_measurement = TEMP_CELSIUS
+    _attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
     _attr_should_poll = False
 
     def __init__(self, name: str, namespace: str, instance: str) -> None:
diff --git a/homeassistant/components/enocean/sensor.py b/homeassistant/components/enocean/sensor.py
index 3a070a57671..702b721ab09 100644
--- a/homeassistant/components/enocean/sensor.py
+++ b/homeassistant/components/enocean/sensor.py
@@ -21,8 +21,8 @@ from homeassistant.const import (
     PERCENTAGE,
     STATE_CLOSED,
     STATE_OPEN,
-    TEMP_CELSIUS,
     UnitOfPower,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
@@ -62,7 +62,7 @@ class EnOceanSensorEntityDescription(
 SENSOR_DESC_TEMPERATURE = EnOceanSensorEntityDescription(
     key=SENSOR_TYPE_TEMPERATURE,
     name="Temperature",
-    native_unit_of_measurement=TEMP_CELSIUS,
+    native_unit_of_measurement=UnitOfTemperature.CELSIUS,
     icon="mdi:thermometer",
     device_class=SensorDeviceClass.TEMPERATURE,
     state_class=SensorStateClass.MEASUREMENT,
diff --git a/homeassistant/components/flo/sensor.py b/homeassistant/components/flo/sensor.py
index 68c9adc8c9f..2c89123dac1 100644
--- a/homeassistant/components/flo/sensor.py
+++ b/homeassistant/components/flo/sensor.py
@@ -9,8 +9,8 @@ from homeassistant.components.sensor import (
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     PERCENTAGE,
-    TEMP_FAHRENHEIT,
     UnitOfPressure,
+    UnitOfTemperature,
     UnitOfVolume,
 )
 from homeassistant.core import HomeAssistant
@@ -125,7 +125,7 @@ class FloTemperatureSensor(FloEntity, SensorEntity):
     """Monitors the temperature."""
 
     _attr_device_class = SensorDeviceClass.TEMPERATURE
-    _attr_native_unit_of_measurement = TEMP_FAHRENHEIT
+    _attr_native_unit_of_measurement = UnitOfTemperature.FAHRENHEIT
     _attr_state_class: SensorStateClass = SensorStateClass.MEASUREMENT
 
     def __init__(self, name, device):
diff --git a/homeassistant/components/foobot/sensor.py b/homeassistant/components/foobot/sensor.py
index 82a48c810c3..a865dd33053 100644
--- a/homeassistant/components/foobot/sensor.py
+++ b/homeassistant/components/foobot/sensor.py
@@ -23,7 +23,7 @@ from homeassistant.const import (
     CONF_TOKEN,
     CONF_USERNAME,
     PERCENTAGE,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import PlatformNotReady
@@ -52,7 +52,7 @@ SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
     SensorEntityDescription(
         key="tmp",
         name=ATTR_TEMPERATURE,
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
     ),
     SensorEntityDescription(
diff --git a/homeassistant/components/freedompro/sensor.py b/homeassistant/components/freedompro/sensor.py
index c5dc2a26bd0..286a528013a 100644
--- a/homeassistant/components/freedompro/sensor.py
+++ b/homeassistant/components/freedompro/sensor.py
@@ -7,7 +7,7 @@ from homeassistant.components.sensor import (
     SensorStateClass,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import LIGHT_LUX, PERCENTAGE, TEMP_CELSIUS
+from homeassistant.const import LIGHT_LUX, PERCENTAGE, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -27,7 +27,7 @@ STATE_CLASS_MAP = {
     "lightSensor": None,
 }
 UNIT_MAP = {
-    "temperatureSensor": TEMP_CELSIUS,
+    "temperatureSensor": UnitOfTemperature.CELSIUS,
     "humiditySensor": PERCENTAGE,
     "lightSensor": LIGHT_LUX,
 }
diff --git a/homeassistant/components/fritzbox/__init__.py b/homeassistant/components/fritzbox/__init__.py
index 43bd0bfeeb0..fc65ed96459 100644
--- a/homeassistant/components/fritzbox/__init__.py
+++ b/homeassistant/components/fritzbox/__init__.py
@@ -14,7 +14,7 @@ from homeassistant.const import (
     CONF_PASSWORD,
     CONF_USERNAME,
     EVENT_HOMEASSISTANT_STOP,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import Event, HomeAssistant
 from homeassistant.exceptions import ConfigEntryAuthFailed
@@ -62,7 +62,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     def _update_unique_id(entry: RegistryEntry) -> dict[str, str] | None:
         """Update unique ID of entity entry."""
         if (
-            entry.unit_of_measurement == TEMP_CELSIUS
+            entry.unit_of_measurement == UnitOfTemperature.CELSIUS
             and "_temperature" not in entry.unique_id
         ):
             new_unique_id = f"{entry.unique_id}_temperature"
diff --git a/homeassistant/components/fritzbox/sensor.py b/homeassistant/components/fritzbox/sensor.py
index 9ba0b0be48f..ef068e3af2a 100644
--- a/homeassistant/components/fritzbox/sensor.py
+++ b/homeassistant/components/fritzbox/sensor.py
@@ -18,11 +18,11 @@ from homeassistant.components.sensor import (
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     PERCENTAGE,
-    TEMP_CELSIUS,
     UnitOfElectricCurrent,
     UnitOfElectricPotential,
     UnitOfEnergy,
     UnitOfPower,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import EntityCategory
@@ -103,7 +103,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
     FritzSensorEntityDescription(
         key="temperature",
         name="Temperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -168,7 +168,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
     FritzSensorEntityDescription(
         key="comfort_temperature",
         name="Comfort Temperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         suitable=suitable_comfort_temperature,
         native_value=lambda device: device.comfort_temperature,  # type: ignore[no-any-return]
@@ -176,7 +176,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
     FritzSensorEntityDescription(
         key="eco_temperature",
         name="Eco Temperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         suitable=suitable_eco_temperature,
         native_value=lambda device: device.eco_temperature,  # type: ignore[no-any-return]
@@ -184,7 +184,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
     FritzSensorEntityDescription(
         key="nextchange_temperature",
         name="Next Scheduled Temperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         suitable=suitable_nextchange_temperature,
         native_value=lambda device: device.nextchange_temperature,  # type: ignore[no-any-return]
diff --git a/homeassistant/components/geniushub/__init__.py b/homeassistant/components/geniushub/__init__.py
index fc04f314812..32a15285d6c 100644
--- a/homeassistant/components/geniushub/__init__.py
+++ b/homeassistant/components/geniushub/__init__.py
@@ -17,8 +17,8 @@ from homeassistant.const import (
     CONF_PASSWORD,
     CONF_TOKEN,
     CONF_USERNAME,
-    TEMP_CELSIUS,
     Platform,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant, ServiceCall, callback
 from homeassistant.helpers import config_validation as cv, entity_registry as er
@@ -356,7 +356,7 @@ class GeniusHeatingZone(GeniusZone):
     @property
     def temperature_unit(self) -> str:
         """Return the unit of measurement."""
-        return TEMP_CELSIUS
+        return UnitOfTemperature.CELSIUS
 
     async def async_set_temperature(self, **kwargs) -> None:
         """Set a new target temperature for this zone."""
diff --git a/homeassistant/components/glances/sensor.py b/homeassistant/components/glances/sensor.py
index 0b18d22084e..7e9d767f20d 100644
--- a/homeassistant/components/glances/sensor.py
+++ b/homeassistant/components/glances/sensor.py
@@ -16,9 +16,9 @@ from homeassistant.const import (
     PERCENTAGE,
     REVOLUTIONS_PER_MINUTE,
     STATE_UNAVAILABLE,
-    TEMP_CELSIUS,
     Platform,
     UnitOfInformation,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import entity_registry
@@ -171,7 +171,7 @@ SENSOR_TYPES: tuple[GlancesSensorEntityDescription, ...] = (
         key="temperature_core",
         type="sensors",
         name_suffix="Temperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
     ),
@@ -179,7 +179,7 @@ SENSOR_TYPES: tuple[GlancesSensorEntityDescription, ...] = (
         key="temperature_hdd",
         type="sensors",
         name_suffix="Temperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
     ),
diff --git a/homeassistant/components/goalzero/sensor.py b/homeassistant/components/goalzero/sensor.py
index 4baff11e711..e75f21f1152 100644
--- a/homeassistant/components/goalzero/sensor.py
+++ b/homeassistant/components/goalzero/sensor.py
@@ -13,11 +13,11 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     PERCENTAGE,
     SIGNAL_STRENGTH_DECIBELS,
-    TEMP_CELSIUS,
     UnitOfElectricCurrent,
     UnitOfElectricPotential,
     UnitOfEnergy,
     UnitOfPower,
+    UnitOfTemperature,
     UnitOfTime,
 )
 from homeassistant.core import HomeAssistant
@@ -97,7 +97,7 @@ SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
         key="temperature",
         name="Temperature",
         device_class=SensorDeviceClass.TEMPERATURE,
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
     SensorEntityDescription(
diff --git a/homeassistant/components/gogogate2/sensor.py b/homeassistant/components/gogogate2/sensor.py
index 1f48dde007e..378d9742da0 100644
--- a/homeassistant/components/gogogate2/sensor.py
+++ b/homeassistant/components/gogogate2/sensor.py
@@ -11,7 +11,7 @@ from homeassistant.components.sensor import (
     SensorStateClass,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import PERCENTAGE, TEMP_CELSIUS
+from homeassistant.const import PERCENTAGE, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -96,7 +96,7 @@ class DoorSensorTemperature(DoorSensorEntity):
 
     _attr_device_class = SensorDeviceClass.TEMPERATURE
     _attr_state_class = SensorStateClass.MEASUREMENT
-    _attr_native_unit_of_measurement = TEMP_CELSIUS
+    _attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
 
     def __init__(
         self,
diff --git a/homeassistant/components/google_assistant/trait.py b/homeassistant/components/google_assistant/trait.py
index a76b0a7d687..8fb5aed76a4 100644
--- a/homeassistant/components/google_assistant/trait.py
+++ b/homeassistant/components/google_assistant/trait.py
@@ -63,8 +63,7 @@ from homeassistant.const import (
     STATE_STANDBY,
     STATE_UNAVAILABLE,
     STATE_UNKNOWN,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
+    UnitOfTemperature,
 )
 from homeassistant.core import DOMAIN as HA_DOMAIN
 from homeassistant.helpers.network import get_url
@@ -175,7 +174,7 @@ def register_trait(trait):
 
 def _google_temp_unit(units):
     """Return Google temperature unit."""
-    if units == TEMP_FAHRENHEIT:
+    if units == UnitOfTemperature.FAHRENHEIT:
         return "F"
     return "C"
 
@@ -845,7 +844,10 @@ class TemperatureControlTrait(_Trait):
         current_temp = self.state.state
         if current_temp not in (STATE_UNKNOWN, STATE_UNAVAILABLE):
             temp = round(
-                TemperatureConverter.convert(float(current_temp), unit, TEMP_CELSIUS), 1
+                TemperatureConverter.convert(
+                    float(current_temp), unit, UnitOfTemperature.CELSIUS
+                ),
+                1,
             )
             response["temperatureSetpointCelsius"] = temp
             response["temperatureAmbientCelsius"] = temp
@@ -951,7 +953,10 @@ class TemperatureSettingTrait(_Trait):
         current_temp = attrs.get(climate.ATTR_CURRENT_TEMPERATURE)
         if current_temp is not None:
             response["thermostatTemperatureAmbient"] = round(
-                TemperatureConverter.convert(current_temp, unit, TEMP_CELSIUS), 1
+                TemperatureConverter.convert(
+                    current_temp, unit, UnitOfTemperature.CELSIUS
+                ),
+                1,
             )
 
         current_humidity = attrs.get(climate.ATTR_CURRENT_HUMIDITY)
@@ -962,27 +967,37 @@ class TemperatureSettingTrait(_Trait):
             if supported & climate.SUPPORT_TARGET_TEMPERATURE_RANGE:
                 response["thermostatTemperatureSetpointHigh"] = round(
                     TemperatureConverter.convert(
-                        attrs[climate.ATTR_TARGET_TEMP_HIGH], unit, TEMP_CELSIUS
+                        attrs[climate.ATTR_TARGET_TEMP_HIGH],
+                        unit,
+                        UnitOfTemperature.CELSIUS,
                     ),
                     1,
                 )
                 response["thermostatTemperatureSetpointLow"] = round(
                     TemperatureConverter.convert(
-                        attrs[climate.ATTR_TARGET_TEMP_LOW], unit, TEMP_CELSIUS
+                        attrs[climate.ATTR_TARGET_TEMP_LOW],
+                        unit,
+                        UnitOfTemperature.CELSIUS,
                     ),
                     1,
                 )
             else:
                 if (target_temp := attrs.get(ATTR_TEMPERATURE)) is not None:
                     target_temp = round(
-                        TemperatureConverter.convert(target_temp, unit, TEMP_CELSIUS), 1
+                        TemperatureConverter.convert(
+                            target_temp, unit, UnitOfTemperature.CELSIUS
+                        ),
+                        1,
                     )
                     response["thermostatTemperatureSetpointHigh"] = target_temp
                     response["thermostatTemperatureSetpointLow"] = target_temp
         else:
             if (target_temp := attrs.get(ATTR_TEMPERATURE)) is not None:
                 response["thermostatTemperatureSetpoint"] = round(
-                    TemperatureConverter.convert(target_temp, unit, TEMP_CELSIUS), 1
+                    TemperatureConverter.convert(
+                        target_temp, unit, UnitOfTemperature.CELSIUS
+                    ),
+                    1,
                 )
 
         return response
@@ -996,9 +1011,9 @@ class TemperatureSettingTrait(_Trait):
 
         if command == COMMAND_THERMOSTAT_TEMPERATURE_SETPOINT:
             temp = TemperatureConverter.convert(
-                params["thermostatTemperatureSetpoint"], TEMP_CELSIUS, unit
+                params["thermostatTemperatureSetpoint"], UnitOfTemperature.CELSIUS, unit
             )
-            if unit == TEMP_FAHRENHEIT:
+            if unit == UnitOfTemperature.FAHRENHEIT:
                 temp = round(temp)
 
             if temp < min_temp or temp > max_temp:
@@ -1017,9 +1032,11 @@ class TemperatureSettingTrait(_Trait):
 
         elif command == COMMAND_THERMOSTAT_TEMPERATURE_SET_RANGE:
             temp_high = TemperatureConverter.convert(
-                params["thermostatTemperatureSetpointHigh"], TEMP_CELSIUS, unit
+                params["thermostatTemperatureSetpointHigh"],
+                UnitOfTemperature.CELSIUS,
+                unit,
             )
-            if unit == TEMP_FAHRENHEIT:
+            if unit == UnitOfTemperature.FAHRENHEIT:
                 temp_high = round(temp_high)
 
             if temp_high < min_temp or temp_high > max_temp:
@@ -1032,9 +1049,11 @@ class TemperatureSettingTrait(_Trait):
                 )
 
             temp_low = TemperatureConverter.convert(
-                params["thermostatTemperatureSetpointLow"], TEMP_CELSIUS, unit
+                params["thermostatTemperatureSetpointLow"],
+                UnitOfTemperature.CELSIUS,
+                unit,
             )
-            if unit == TEMP_FAHRENHEIT:
+            if unit == UnitOfTemperature.FAHRENHEIT:
                 temp_low = round(temp_low)
 
             if temp_low < min_temp or temp_low > max_temp:
diff --git a/homeassistant/components/govee_ble/sensor.py b/homeassistant/components/govee_ble/sensor.py
index 1d193287419..6014585ffe6 100644
--- a/homeassistant/components/govee_ble/sensor.py
+++ b/homeassistant/components/govee_ble/sensor.py
@@ -22,7 +22,7 @@ from homeassistant.components.sensor import (
 from homeassistant.const import (
     PERCENTAGE,
     SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -34,7 +34,7 @@ SENSOR_DESCRIPTIONS = {
     (DeviceClass.TEMPERATURE, Units.TEMP_CELSIUS): SensorEntityDescription(
         key=f"{DeviceClass.TEMPERATURE}_{Units.TEMP_CELSIUS}",
         device_class=SensorDeviceClass.TEMPERATURE,
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         state_class=SensorStateClass.MEASUREMENT,
     ),
     (DeviceClass.HUMIDITY, Units.PERCENTAGE): SensorEntityDescription(
diff --git a/homeassistant/components/growatt_server/sensor_types/inverter.py b/homeassistant/components/growatt_server/sensor_types/inverter.py
index 643713bbe06..746e4880cef 100644
--- a/homeassistant/components/growatt_server/sensor_types/inverter.py
+++ b/homeassistant/components/growatt_server/sensor_types/inverter.py
@@ -3,12 +3,12 @@ from __future__ import annotations
 
 from homeassistant.components.sensor import SensorDeviceClass, SensorStateClass
 from homeassistant.const import (
-    TEMP_CELSIUS,
     UnitOfElectricCurrent,
     UnitOfElectricPotential,
     UnitOfEnergy,
     UnitOfFrequency,
     UnitOfPower,
+    UnitOfTemperature,
 )
 
 from .sensor_entity_description import GrowattSensorEntityDescription
@@ -155,7 +155,7 @@ INVERTER_SENSOR_TYPES: tuple[GrowattSensorEntityDescription, ...] = (
         key="inverter_ipm_temperature",
         name="Intelligent Power Management temperature",
         api_key="ipmTemperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         precision=1,
     ),
@@ -163,7 +163,7 @@ INVERTER_SENSOR_TYPES: tuple[GrowattSensorEntityDescription, ...] = (
         key="inverter_temperature",
         name="Temperature",
         api_key="temperature",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         precision=1,
     ),
diff --git a/homeassistant/components/growatt_server/sensor_types/tlx.py b/homeassistant/components/growatt_server/sensor_types/tlx.py
index 51c7bd8bd94..4703c39a8f9 100644
--- a/homeassistant/components/growatt_server/sensor_types/tlx.py
+++ b/homeassistant/components/growatt_server/sensor_types/tlx.py
@@ -8,12 +8,12 @@ from __future__ import annotations
 from homeassistant.components.sensor import SensorDeviceClass, SensorStateClass
 from homeassistant.const import (
     PERCENTAGE,
-    TEMP_CELSIUS,
     UnitOfElectricCurrent,
     UnitOfElectricPotential,
     UnitOfEnergy,
     UnitOfFrequency,
     UnitOfPower,
+    UnitOfTemperature,
 )
 
 from .sensor_entity_description import GrowattSensorEntityDescription
@@ -255,7 +255,7 @@ TLX_SENSOR_TYPES: tuple[GrowattSensorEntityDescription, ...] = (
         key="tlx_temperature_1",
         name="Temperature 1",
         api_key="temp1",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         precision=1,
     ),
@@ -263,7 +263,7 @@ TLX_SENSOR_TYPES: tuple[GrowattSensorEntityDescription, ...] = (
         key="tlx_temperature_2",
         name="Temperature 2",
         api_key="temp2",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         precision=1,
     ),
@@ -271,7 +271,7 @@ TLX_SENSOR_TYPES: tuple[GrowattSensorEntityDescription, ...] = (
         key="tlx_temperature_3",
         name="Temperature 3",
         api_key="temp3",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         precision=1,
     ),
@@ -279,7 +279,7 @@ TLX_SENSOR_TYPES: tuple[GrowattSensorEntityDescription, ...] = (
         key="tlx_temperature_4",
         name="Temperature 4",
         api_key="temp4",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         precision=1,
     ),
@@ -287,7 +287,7 @@ TLX_SENSOR_TYPES: tuple[GrowattSensorEntityDescription, ...] = (
         key="tlx_temperature_5",
         name="Temperature 5",
         api_key="temp5",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         precision=1,
     ),
diff --git a/homeassistant/components/guardian/sensor.py b/homeassistant/components/guardian/sensor.py
index 18ff4c0bc52..4849666736e 100644
--- a/homeassistant/components/guardian/sensor.py
+++ b/homeassistant/components/guardian/sensor.py
@@ -10,7 +10,7 @@ from homeassistant.components.sensor import (
     SensorStateClass,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import TEMP_FAHRENHEIT, UnitOfElectricPotential, UnitOfTime
+from homeassistant.const import UnitOfElectricPotential, UnitOfTemperature, UnitOfTime
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity import EntityCategory
@@ -54,7 +54,7 @@ PAIRED_SENSOR_DESCRIPTIONS = (
         key=SENSOR_KIND_TEMPERATURE,
         name="Temperature",
         device_class=SensorDeviceClass.TEMPERATURE,
-        native_unit_of_measurement=TEMP_FAHRENHEIT,
+        native_unit_of_measurement=UnitOfTemperature.FAHRENHEIT,
         state_class=SensorStateClass.MEASUREMENT,
     ),
 )
@@ -63,7 +63,7 @@ VALVE_CONTROLLER_DESCRIPTIONS = (
         key=SENSOR_KIND_TEMPERATURE,
         name="Temperature",
         device_class=SensorDeviceClass.TEMPERATURE,
-        native_unit_of_measurement=TEMP_FAHRENHEIT,
+        native_unit_of_measurement=UnitOfTemperature.FAHRENHEIT,
         state_class=SensorStateClass.MEASUREMENT,
         api_category=API_SYSTEM_ONBOARD_SENSOR_STATUS,
     ),
diff --git a/homeassistant/components/hddtemp/sensor.py b/homeassistant/components/hddtemp/sensor.py
index 7ff8de90509..117de2116a4 100644
--- a/homeassistant/components/hddtemp/sensor.py
+++ b/homeassistant/components/hddtemp/sensor.py
@@ -18,8 +18,7 @@ from homeassistant.const import (
     CONF_HOST,
     CONF_NAME,
     CONF_PORT,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
@@ -99,9 +98,9 @@ class HddTempSensor(SensorEntity):
             self._details = self.hddtemp.data[self.disk].split("|")
             self._attr_native_value = self._details[2]
             if self._details is not None and self._details[3] == "F":
-                self._attr_native_unit_of_measurement = TEMP_FAHRENHEIT
+                self._attr_native_unit_of_measurement = UnitOfTemperature.FAHRENHEIT
             else:
-                self._attr_native_unit_of_measurement = TEMP_CELSIUS
+                self._attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
         else:
             self._attr_native_value = None
 
diff --git a/homeassistant/components/homekit/accessories.py b/homeassistant/components/homekit/accessories.py
index eef43892677..b43ab932cf6 100644
--- a/homeassistant/components/homekit/accessories.py
+++ b/homeassistant/components/homekit/accessories.py
@@ -35,8 +35,7 @@ from homeassistant.const import (
     PERCENTAGE,
     STATE_ON,
     STATE_UNAVAILABLE,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
+    UnitOfTemperature,
     __version__,
 )
 from homeassistant.core import (
@@ -184,8 +183,8 @@ def get_accessory(  # noqa: C901
         unit = state.attributes.get(ATTR_UNIT_OF_MEASUREMENT)
 
         if device_class == SensorDeviceClass.TEMPERATURE or unit in (
-            TEMP_CELSIUS,
-            TEMP_FAHRENHEIT,
+            UnitOfTemperature.CELSIUS,
+            UnitOfTemperature.FAHRENHEIT,
         ):
             a_type = "TemperatureSensor"
         elif device_class == SensorDeviceClass.HUMIDITY and unit == PERCENTAGE:
diff --git a/homeassistant/components/homekit/type_sensors.py b/homeassistant/components/homekit/type_sensors.py
index 4e9c897dff9..27a1156111f 100644
--- a/homeassistant/components/homekit/type_sensors.py
+++ b/homeassistant/components/homekit/type_sensors.py
@@ -13,7 +13,7 @@ from homeassistant.const import (
     ATTR_UNIT_OF_MEASUREMENT,
     STATE_HOME,
     STATE_ON,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import callback
 
@@ -124,7 +124,9 @@ class TemperatureSensor(HomeAccessory):
     @callback
     def async_update_state(self, new_state):
         """Update temperature after state changed."""
-        unit = new_state.attributes.get(ATTR_UNIT_OF_MEASUREMENT, TEMP_CELSIUS)
+        unit = new_state.attributes.get(
+            ATTR_UNIT_OF_MEASUREMENT, UnitOfTemperature.CELSIUS
+        )
         if (temperature := convert_to_float(new_state.state)) is not None:
             temperature = temperature_to_homekit(temperature, unit)
             self.char_temp.set_value(temperature)
diff --git a/homeassistant/components/homekit/type_thermostats.py b/homeassistant/components/homekit/type_thermostats.py
index d7bee679369..f4bed70c09c 100644
--- a/homeassistant/components/homekit/type_thermostats.py
+++ b/homeassistant/components/homekit/type_thermostats.py
@@ -53,8 +53,7 @@ from homeassistant.const import (
     ATTR_SUPPORTED_FEATURES,
     ATTR_TEMPERATURE,
     PERCENTAGE,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
+    UnitOfTemperature,
 )
 from homeassistant.core import State, callback
 from homeassistant.util.percentage import (
@@ -98,7 +97,7 @@ DEFAULT_HVAC_MODES = [
 ]
 
 HC_HOMEKIT_VALID_MODES_WATER_HEATER = {"Heat": 1}
-UNIT_HASS_TO_HOMEKIT = {TEMP_CELSIUS: 0, TEMP_FAHRENHEIT: 1}
+UNIT_HASS_TO_HOMEKIT = {UnitOfTemperature.CELSIUS: 0, UnitOfTemperature.FAHRENHEIT: 1}
 
 HC_HEAT_COOL_OFF = 0
 HC_HEAT_COOL_HEAT = 1
diff --git a/homeassistant/components/homekit/util.py b/homeassistant/components/homekit/util.py
index 413786c22c4..2663f7b004d 100644
--- a/homeassistant/components/homekit/util.py
+++ b/homeassistant/components/homekit/util.py
@@ -35,7 +35,7 @@ from homeassistant.const import (
     CONF_NAME,
     CONF_PORT,
     CONF_TYPE,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
 )
 from homeassistant.core import Event, HomeAssistant, State, callback, split_entity_id
 import homeassistant.helpers.config_validation as cv
@@ -391,12 +391,20 @@ def cleanup_name_for_homekit(name: str | None) -> str:
 
 def temperature_to_homekit(temperature: float | int, unit: str) -> float:
     """Convert temperature to Celsius for HomeKit."""
-    return round(TemperatureConverter.convert(temperature, unit, TEMP_CELSIUS), 1)
+    return round(
+        TemperatureConverter.convert(temperature, unit, UnitOfTemperature.CELSIUS), 1
+    )
 
 
 def temperature_to_states(temperature: float | int, unit: str) -> float:
     """Convert temperature back from Celsius to Home Assistant unit."""
-    return round(TemperatureConverter.convert(temperature, TEMP_CELSIUS, unit) * 2) / 2
+    return (
+        round(
+            TemperatureConverter.convert(temperature, UnitOfTemperature.CELSIUS, unit)
+            * 2
+        )
+        / 2
+    )
 
 
 def density_to_air_quality(density: float) -> int:
diff --git a/homeassistant/components/homekit_controller/sensor.py b/homeassistant/components/homekit_controller/sensor.py
index d7b92f4a44d..5d3e9669705 100644
--- a/homeassistant/components/homekit_controller/sensor.py
+++ b/homeassistant/components/homekit_controller/sensor.py
@@ -26,7 +26,6 @@ from homeassistant.const import (
     LIGHT_LUX,
     PERCENTAGE,
     SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
-    TEMP_CELSIUS,
     Platform,
     UnitOfElectricCurrent,
     UnitOfElectricPotential,
@@ -34,6 +33,7 @@ from homeassistant.const import (
     UnitOfPower,
     UnitOfPressure,
     UnitOfSoundPressure,
+    UnitOfTemperature,
 )
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import EntityCategory
@@ -230,7 +230,7 @@ SIMPLE_SENSOR: dict[str, HomeKitSensorEntityDescription] = {
         name="Current Temperature",
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         # This sensor is only for temperature characteristics that are not part
         # of a temperature sensor service.
         probe=(lambda char: char.service.type != ServicesTypes.TEMPERATURE_SENSOR),
@@ -380,7 +380,7 @@ class HomeKitTemperatureSensor(HomeKitSensor):
     """Representation of a Homekit temperature sensor."""
 
     _attr_device_class = SensorDeviceClass.TEMPERATURE
-    _attr_native_unit_of_measurement = TEMP_CELSIUS
+    _attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
 
     def get_characteristic_types(self) -> list[str]:
         """Define the homekit characteristics the entity is tracking."""
diff --git a/homeassistant/components/homematic/sensor.py b/homeassistant/components/homematic/sensor.py
index ecf3ad2c54e..927532b0d02 100644
--- a/homeassistant/components/homematic/sensor.py
+++ b/homeassistant/components/homematic/sensor.py
@@ -17,7 +17,6 @@ from homeassistant.const import (
     DEGREE,
     LIGHT_LUX,
     PERCENTAGE,
-    TEMP_CELSIUS,
     UnitOfElectricCurrent,
     UnitOfElectricPotential,
     UnitOfEnergy,
@@ -26,6 +25,7 @@ from homeassistant.const import (
     UnitOfPrecipitationDepth,
     UnitOfPressure,
     UnitOfSpeed,
+    UnitOfTemperature,
     UnitOfVolume,
 )
 from homeassistant.core import HomeAssistant
@@ -63,13 +63,13 @@ SENSOR_DESCRIPTIONS: dict[str, SensorEntityDescription] = {
     ),
     "ACTUAL_TEMPERATURE": SensorEntityDescription(
         key="ACTUAL_TEMPERATURE",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
     ),
     "TEMPERATURE": SensorEntityDescription(
         key="TEMPERATURE",
-        native_unit_of_measurement=TEMP_CELSIUS,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
     ),
diff --git a/homeassistant/components/hue/v1/sensor.py b/homeassistant/components/hue/v1/sensor.py
index 3a79f5f37f1..5adca4ef8d7 100644
--- a/homeassistant/components/hue/v1/sensor.py
+++ b/homeassistant/components/hue/v1/sensor.py
@@ -11,7 +11,7 @@ from homeassistant.components.sensor import (
     SensorEntity,
     SensorStateClass,
 )
-from homeassistant.const import LIGHT_LUX, PERCENTAGE, TEMP_CELSIUS
+from homeassistant.const import LIGHT_LUX, PERCENTAGE, UnitOfTemperature
 from homeassistant.helpers.entity import EntityCategory
 
 from ..const import DOMAIN as HUE_DOMAIN
@@ -76,7 +76,7 @@ class HueTemperature(GenericHueGaugeSensorEntity):
 
     _attr_device_class = SensorDeviceClass.TEMPERATURE
     _attr_state_class = SensorStateClass.MEASUREMENT
-    _attr_native_unit_of_measurement = TEMP_CELSIUS
+    _attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
 
     @property
     def native_value(self):
diff --git a/homeassistant/components/hue/v2/sensor.py b/homeassistant/components/hue/v2/sensor.py
index e4b07d899e2..7fa34c59869 100644
--- a/homeassistant/components/hue/v2/sensor.py
+++ b/homeassistant/components/hue/v2/sensor.py
@@ -23,7 +23,7 @@ from homeassistant.components.sensor import (
     SensorStateClass,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import LIGHT_LUX, PERCENTAGE, TEMP_CELSIUS
+from homeassistant.const import LIGHT_LUX, PERCENTAGE, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -96,7 +96,7 @@ class HueSensorBase(HueBaseEntity, SensorEntity):
 class HueTemperatureSensor(HueSensorBase):
     """Representation of a Hue Temperature sensor."""
 
-    _attr_native_unit_of_measurement = TEMP_CELSIUS
+    _attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
     _attr_device_class = SensorDeviceClass.TEMPERATURE
 
     @property