diff --git a/homeassistant/components/elkm1/climate.py b/homeassistant/components/elkm1/climate.py
index 8bbf776c475..6eca3083b3a 100644
--- a/homeassistant/components/elkm1/climate.py
+++ b/homeassistant/components/elkm1/climate.py
@@ -74,6 +74,7 @@ async def async_setup_entry(
 class ElkThermostat(ElkEntity, ClimateEntity):
     """Representation of an Elk-M1 Thermostat."""
 
+    _attr_precision = PRECISION_WHOLE
     _attr_supported_features = (
         ClimateEntityFeature.FAN_MODE
         | ClimateEntityFeature.AUX_HEAT
@@ -138,11 +139,6 @@ class ElkThermostat(ElkEntity, ClimateEntity):
         """Return the list of available operation modes."""
         return SUPPORT_HVAC
 
-    @property
-    def precision(self) -> int:
-        """Return the precision of the system."""
-        return PRECISION_WHOLE
-
     @property
     def is_aux_heat(self) -> bool:
         """Return if aux heater is on."""
diff --git a/homeassistant/components/fritzbox/climate.py b/homeassistant/components/fritzbox/climate.py
index 20331459c3e..10fd3cf0177 100644
--- a/homeassistant/components/fritzbox/climate.py
+++ b/homeassistant/components/fritzbox/climate.py
@@ -64,16 +64,12 @@ async def async_setup_entry(
 class FritzboxThermostat(FritzBoxEntity, ClimateEntity):
     """The thermostat class for FRITZ!SmartHome thermostats."""
 
+    _attr_precision = PRECISION_HALVES
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
     _attr_temperature_unit = TEMP_CELSIUS
 
-    @property
-    def precision(self) -> float:
-        """Return precision 0.5."""
-        return PRECISION_HALVES
-
     @property
     def current_temperature(self) -> float:
         """Return the current temperature."""
diff --git a/homeassistant/components/gree/climate.py b/homeassistant/components/gree/climate.py
index 6d8f32aa21c..4096f58e4cb 100644
--- a/homeassistant/components/gree/climate.py
+++ b/homeassistant/components/gree/climate.py
@@ -113,6 +113,7 @@ async def async_setup_entry(
 class GreeClimateEntity(CoordinatorEntity, ClimateEntity):
     """Representation of a Gree HVAC device."""
 
+    _attr_precision = PRECISION_WHOLE
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE
         | ClimateEntityFeature.FAN_MODE
@@ -152,11 +153,6 @@ class GreeClimateEntity(CoordinatorEntity, ClimateEntity):
         units = self.coordinator.device.temperature_units
         return TEMP_CELSIUS if units == TemperatureUnits.C else TEMP_FAHRENHEIT
 
-    @property
-    def precision(self) -> float:
-        """Return the precision of temperature for the device."""
-        return PRECISION_WHOLE
-
     @property
     def current_temperature(self) -> float:
         """Return the reported current temperature for the device."""
diff --git a/homeassistant/components/hisense_aehw4a1/climate.py b/homeassistant/components/hisense_aehw4a1/climate.py
index 246a04df9a8..3213c5f9414 100644
--- a/homeassistant/components/hisense_aehw4a1/climate.py
+++ b/homeassistant/components/hisense_aehw4a1/climate.py
@@ -142,6 +142,7 @@ class ClimateAehW4a1(ClimateEntity):
     """Representation of a Hisense AEH-W4A1 module for climate device."""
 
     _attr_hvac_modes = HVAC_MODES
+    _attr_precision = PRECISION_WHOLE
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE
         | ClimateEntityFeature.FAN_MODE
@@ -294,11 +295,6 @@ class ClimateAehW4a1(ClimateEntity):
             return MAX_TEMP_C
         return MAX_TEMP_F
 
-    @property
-    def precision(self):
-        """Return the precision of the system."""
-        return PRECISION_WHOLE
-
     @property
     def target_temperature_step(self):
         """Return the supported step of target temperature."""
diff --git a/homeassistant/components/isy994/climate.py b/homeassistant/components/isy994/climate.py
index 9f4c52258a7..bc1f0353455 100644
--- a/homeassistant/components/isy994/climate.py
+++ b/homeassistant/components/isy994/climate.py
@@ -76,6 +76,7 @@ class ISYThermostatEntity(ISYNodeEntity, ClimateEntity):
     """Representation of an ISY994 thermostat entity."""
 
     _attr_hvac_modes = ISY_HVAC_MODES
+    _attr_precision = PRECISION_TENTHS
     _attr_supported_features = (
         ClimateEntityFeature.FAN_MODE
         | ClimateEntityFeature.TARGET_TEMPERATURE
@@ -96,11 +97,6 @@ class ISYThermostatEntity(ISYNodeEntity, ClimateEntity):
         self._target_temp_low = 0
         self._target_temp_high = 0
 
-    @property
-    def precision(self) -> float:
-        """Return the precision of the system."""
-        return PRECISION_TENTHS
-
     @property
     def temperature_unit(self) -> str:
         """Return the unit of measurement."""
diff --git a/homeassistant/components/izone/climate.py b/homeassistant/components/izone/climate.py
index 8ff1593d5ff..2c181d90fda 100644
--- a/homeassistant/components/izone/climate.py
+++ b/homeassistant/components/izone/climate.py
@@ -126,6 +126,7 @@ def _return_on_connection_error(ret=None):
 class ControllerDevice(ClimateEntity):
     """Representation of iZone Controller."""
 
+    _attr_precision = PRECISION_TENTHS
     _attr_should_poll = False
     _attr_temperature_unit = TEMP_CELSIUS
 
@@ -253,11 +254,6 @@ class ControllerDevice(ClimateEntity):
         """Return the name of the entity."""
         return f"iZone Controller {self._controller.device_uid}"
 
-    @property
-    def precision(self) -> float:
-        """Return the precision of the system."""
-        return PRECISION_TENTHS
-
     @property
     def extra_state_attributes(self):
         """Return the optional state attributes."""
@@ -438,6 +434,7 @@ class ControllerDevice(ClimateEntity):
 class ZoneDevice(ClimateEntity):
     """Representation of iZone Zone."""
 
+    _attr_precision = PRECISION_TENTHS
     _attr_should_poll = False
     _attr_temperature_unit = TEMP_CELSIUS
 
@@ -526,11 +523,6 @@ class ZoneDevice(ClimateEntity):
             return self._attr_supported_features
         return self._attr_supported_features & ~ClimateEntityFeature.TARGET_TEMPERATURE
 
-    @property
-    def precision(self):
-        """Return the precision of the system."""
-        return PRECISION_TENTHS
-
     @property
     def hvac_mode(self) -> HVACMode | None:
         """Return current operation ie. heat, cool, idle."""
diff --git a/homeassistant/components/proliphix/climate.py b/homeassistant/components/proliphix/climate.py
index 52ed3bb8bcd..1952a6f186a 100644
--- a/homeassistant/components/proliphix/climate.py
+++ b/homeassistant/components/proliphix/climate.py
@@ -54,6 +54,7 @@ def setup_platform(
 class ProliphixThermostat(ClimateEntity):
     """Representation a Proliphix thermostat."""
 
+    _attr_precision = PRECISION_TENTHS
     _attr_supported_features = ClimateEntityFeature.TARGET_TEMPERATURE
     _attr_temperature_unit = TEMP_FAHRENHEIT
 
@@ -72,15 +73,6 @@ class ProliphixThermostat(ClimateEntity):
         """Return the name of the thermostat."""
         return self._name
 
-    @property
-    def precision(self):
-        """Return the precision of the system.
-
-        Proliphix temperature values are passed back and forth in the
-        API as tenths of degrees F (i.e. 690 for 69 degrees).
-        """
-        return PRECISION_TENTHS
-
     @property
     def extra_state_attributes(self):
         """Return the device specific state attributes."""
diff --git a/homeassistant/components/venstar/climate.py b/homeassistant/components/venstar/climate.py
index efa1c56ccbc..798ffe5b6d3 100644
--- a/homeassistant/components/venstar/climate.py
+++ b/homeassistant/components/venstar/climate.py
@@ -106,6 +106,7 @@ class VenstarThermostat(VenstarEntity, ClimateEntity):
 
     _attr_fan_modes = [FAN_ON, FAN_AUTO]
     _attr_hvac_modes = [HVACMode.HEAT, HVACMode.COOL, HVACMode.OFF, HVACMode.AUTO]
+    _attr_precision = PRECISION_HALVES
 
     def __init__(
         self,
@@ -139,15 +140,6 @@ class VenstarThermostat(VenstarEntity, ClimateEntity):
 
         return features
 
-    @property
-    def precision(self):
-        """Return the precision of the system.
-
-        Venstar temperature values are passed back and forth in the
-        API in C or F, with half-degree accuracy.
-        """
-        return PRECISION_HALVES
-
     @property
     def temperature_unit(self):
         """Return the unit of measurement, as defined by the API."""
diff --git a/homeassistant/components/vicare/climate.py b/homeassistant/components/vicare/climate.py
index 94f7b8d4e5d..53759b42243 100644
--- a/homeassistant/components/vicare/climate.py
+++ b/homeassistant/components/vicare/climate.py
@@ -142,6 +142,7 @@ async def async_setup_entry(
 class ViCareClimate(ClimateEntity):
     """Representation of the ViCare heating climate device."""
 
+    _attr_precision = PRECISION_TENTHS
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
@@ -320,11 +321,6 @@ class ViCareClimate(ClimateEntity):
         """Return the maximum temperature."""
         return VICARE_TEMP_HEATING_MAX
 
-    @property
-    def precision(self):
-        """Return the precision of the system."""
-        return PRECISION_TENTHS
-
     @property
     def target_temperature_step(self) -> float:
         """Set target temperature step to wholes."""
diff --git a/homeassistant/components/vicare/water_heater.py b/homeassistant/components/vicare/water_heater.py
index ae8456cac6f..878f2ac47a5 100644
--- a/homeassistant/components/vicare/water_heater.py
+++ b/homeassistant/components/vicare/water_heater.py
@@ -100,6 +100,7 @@ async def async_setup_entry(
 class ViCareWater(WaterHeaterEntity):
     """Representation of the ViCare domestic hot water device."""
 
+    _attr_precision = PRECISION_TENTHS
     _attr_supported_features = WaterHeaterEntityFeature.TARGET_TEMPERATURE
 
     def __init__(self, name, api, circuit, device_config, heating_type):
@@ -197,11 +198,6 @@ class ViCareWater(WaterHeaterEntity):
         """Set target temperature step to wholes."""
         return PRECISION_WHOLE
 
-    @property
-    def precision(self):
-        """Return the precision of the system."""
-        return PRECISION_TENTHS
-
     @property
     def current_operation(self):
         """Return current operation ie. heat, cool, idle."""
diff --git a/homeassistant/components/zha/climate.py b/homeassistant/components/zha/climate.py
index 416d0c81483..573b3df44fa 100644
--- a/homeassistant/components/zha/climate.py
+++ b/homeassistant/components/zha/climate.py
@@ -137,6 +137,7 @@ class Thermostat(ZhaEntity, ClimateEntity):
     DEFAULT_MAX_TEMP = 35
     DEFAULT_MIN_TEMP = 7
 
+    _attr_precision = PRECISION_TENTHS
     _attr_temperature_unit = TEMP_CELSIUS
 
     def __init__(self, unique_id, zha_device, channels, **kwargs):
@@ -264,11 +265,6 @@ class Thermostat(ZhaEntity, ClimateEntity):
         """Return the list of available HVAC operation modes."""
         return SEQ_OF_OPERATION.get(self._thrm.ctrl_sequence_of_oper, [HVACMode.OFF])
 
-    @property
-    def precision(self):
-        """Return the precision of the system."""
-        return PRECISION_TENTHS
-
     @property
     def preset_mode(self) -> str:
         """Return current preset mode."""
diff --git a/homeassistant/components/zwave_js/climate.py b/homeassistant/components/zwave_js/climate.py
index d8037643488..b0a5cdfe295 100644
--- a/homeassistant/components/zwave_js/climate.py
+++ b/homeassistant/components/zwave_js/climate.py
@@ -126,6 +126,8 @@ async def async_setup_entry(
 class ZWaveClimate(ZWaveBaseEntity, ClimateEntity):
     """Representation of a Z-Wave climate."""
 
+    _attr_precision = PRECISION_TENTHS
+
     def __init__(
         self, config_entry: ConfigEntry, driver: Driver, info: ZwaveDiscoveryInfo
     ) -> None:
@@ -251,11 +253,6 @@ class ZWaveClimate(ZWaveBaseEntity, ClimateEntity):
             return TEMP_FAHRENHEIT
         return TEMP_CELSIUS
 
-    @property
-    def precision(self) -> float:
-        """Return the precision of 0.1."""
-        return PRECISION_TENTHS
-
     @property
     def hvac_mode(self) -> HVACMode:
         """Return hvac operation ie. heat, cool mode."""