diff --git a/homeassistant/components/google_assistant/trait.py b/homeassistant/components/google_assistant/trait.py
index 6f7dbd2c3b0..e44f1597a9b 100644
--- a/homeassistant/components/google_assistant/trait.py
+++ b/homeassistant/components/google_assistant/trait.py
@@ -922,9 +922,28 @@ class TemperatureSettingTrait(_Trait):
     def sync_attributes(self):
         """Return temperature point and modes attributes for a sync request."""
         response = {}
-        response["thermostatTemperatureUnit"] = _google_temp_unit(
-            self.hass.config.units.temperature_unit
+        attrs = self.state.attributes
+        unit = self.hass.config.units.temperature_unit
+        response["thermostatTemperatureUnit"] = _google_temp_unit(unit)
+
+        min_temp = round(
+            TemperatureConverter.convert(
+                float(attrs[climate.ATTR_MIN_TEMP]),
+                unit,
+                UnitOfTemperature.CELSIUS,
+            )
         )
+        max_temp = round(
+            TemperatureConverter.convert(
+                float(attrs[climate.ATTR_MAX_TEMP]),
+                unit,
+                UnitOfTemperature.CELSIUS,
+            )
+        )
+        response["thermostatTemperatureRange"] = {
+            "minThresholdCelsius": min_temp,
+            "maxThresholdCelsius": max_temp,
+        }
 
         modes = self.climate_google_modes
 
diff --git a/tests/components/google_assistant/test_trait.py b/tests/components/google_assistant/test_trait.py
index 33eac82a6ba..97dc4af7c36 100644
--- a/tests/components/google_assistant/test_trait.py
+++ b/tests/components/google_assistant/test_trait.py
@@ -854,14 +854,18 @@ async def test_temperature_setting_climate_onoff(hass: HomeAssistant) -> None:
                     climate.HVACMode.HEAT,
                     climate.HVACMode.HEAT_COOL,
                 ],
-                climate.ATTR_MIN_TEMP: None,
-                climate.ATTR_MAX_TEMP: None,
+                climate.ATTR_MIN_TEMP: 45,
+                climate.ATTR_MAX_TEMP: 95,
             },
         ),
         BASIC_CONFIG,
     )
     assert trt.sync_attributes() == {
         "availableThermostatModes": ["off", "cool", "heat", "heatcool", "on"],
+        "thermostatTemperatureRange": {
+            "minThresholdCelsius": 7,
+            "maxThresholdCelsius": 35,
+        },
         "thermostatTemperatureUnit": "F",
     }
     assert trt.can_execute(trait.COMMAND_THERMOSTAT_SET_MODE, {})
@@ -893,14 +897,18 @@ async def test_temperature_setting_climate_no_modes(hass: HomeAssistant) -> None
             climate.HVACMode.AUTO,
             {
                 climate.ATTR_HVAC_MODES: [],
-                climate.ATTR_MIN_TEMP: None,
-                climate.ATTR_MAX_TEMP: None,
+                climate.ATTR_MIN_TEMP: climate.DEFAULT_MIN_TEMP,
+                climate.ATTR_MAX_TEMP: climate.DEFAULT_MAX_TEMP,
             },
         ),
         BASIC_CONFIG,
     )
     assert trt.sync_attributes() == {
         "availableThermostatModes": ["heat"],
+        "thermostatTemperatureRange": {
+            "minThresholdCelsius": climate.DEFAULT_MIN_TEMP,
+            "maxThresholdCelsius": climate.DEFAULT_MAX_TEMP,
+        },
         "thermostatTemperatureUnit": "C",
     }
 
@@ -937,6 +945,10 @@ async def test_temperature_setting_climate_range(hass: HomeAssistant) -> None:
     )
     assert trt.sync_attributes() == {
         "availableThermostatModes": ["off", "cool", "heat", "auto", "on"],
+        "thermostatTemperatureRange": {
+            "minThresholdCelsius": 10,
+            "maxThresholdCelsius": 27,
+        },
         "thermostatTemperatureUnit": "F",
     }
     assert trt.query_attributes() == {
@@ -978,12 +990,40 @@ async def test_temperature_setting_climate_range(hass: HomeAssistant) -> None:
 
     with pytest.raises(helpers.SmartHomeError) as err:
         await trt.execute(
-            trait.COMMAND_THERMOSTAT_TEMPERATURE_SETPOINT,
+            trait.COMMAND_THERMOSTAT_TEMPERATURE_SET_RANGE,
             BASIC_DATA,
-            {"thermostatTemperatureSetpoint": -100},
+            {
+                "thermostatTemperatureSetpointHigh": 26,
+                "thermostatTemperatureSetpointLow": -100,
+            },
             {},
         )
     assert err.value.code == const.ERR_VALUE_OUT_OF_RANGE
+
+    with pytest.raises(helpers.SmartHomeError) as err:
+        await trt.execute(
+            trait.COMMAND_THERMOSTAT_TEMPERATURE_SET_RANGE,
+            BASIC_DATA,
+            {
+                "thermostatTemperatureSetpointHigh": 100,
+                "thermostatTemperatureSetpointLow": 18,
+            },
+            {},
+        )
+    assert err.value.code == const.ERR_VALUE_OUT_OF_RANGE
+
+    calls = async_mock_service(hass, climate.DOMAIN, climate.SERVICE_SET_TEMPERATURE)
+    await trt.execute(
+        trait.COMMAND_THERMOSTAT_TEMPERATURE_SETPOINT,
+        BASIC_DATA,
+        {"thermostatTemperatureSetpoint": 23.9},
+        {},
+    )
+    assert len(calls) == 1
+    assert calls[0].data == {
+        ATTR_ENTITY_ID: "climate.bla",
+        climate.ATTR_TEMPERATURE: 75,
+    }
     hass.config.units.temperature_unit = UnitOfTemperature.CELSIUS
 
 
@@ -1000,9 +1040,11 @@ async def test_temperature_setting_climate_setpoint(hass: HomeAssistant) -> None
             "climate.bla",
             climate.HVACMode.COOL,
             {
+                ATTR_SUPPORTED_FEATURES: climate.SUPPORT_TARGET_TEMPERATURE,
                 climate.ATTR_HVAC_MODES: [STATE_OFF, climate.HVACMode.COOL],
                 climate.ATTR_MIN_TEMP: 10,
                 climate.ATTR_MAX_TEMP: 30,
+                climate.ATTR_PRESET_MODE: climate.PRESET_ECO,
                 ATTR_TEMPERATURE: 18,
                 climate.ATTR_CURRENT_TEMPERATURE: 20,
             },
@@ -1011,10 +1053,14 @@ async def test_temperature_setting_climate_setpoint(hass: HomeAssistant) -> None
     )
     assert trt.sync_attributes() == {
         "availableThermostatModes": ["off", "cool", "on"],
+        "thermostatTemperatureRange": {
+            "minThresholdCelsius": 10,
+            "maxThresholdCelsius": 30,
+        },
         "thermostatTemperatureUnit": "C",
     }
     assert trt.query_attributes() == {
-        "thermostatMode": "cool",
+        "thermostatMode": "eco",
         "thermostatTemperatureAmbient": 20,
         "thermostatTemperatureSetpoint": 18,
     }
@@ -1022,7 +1068,6 @@ async def test_temperature_setting_climate_setpoint(hass: HomeAssistant) -> None
     assert trt.can_execute(trait.COMMAND_THERMOSTAT_SET_MODE, {})
 
     calls = async_mock_service(hass, climate.DOMAIN, climate.SERVICE_SET_TEMPERATURE)
-
     with pytest.raises(helpers.SmartHomeError):
         await trt.execute(
             trait.COMMAND_THERMOSTAT_TEMPERATURE_SETPOINT,
@@ -1040,6 +1085,32 @@ async def test_temperature_setting_climate_setpoint(hass: HomeAssistant) -> None
     assert len(calls) == 1
     assert calls[0].data == {ATTR_ENTITY_ID: "climate.bla", ATTR_TEMPERATURE: 19}
 
+    calls = async_mock_service(hass, climate.DOMAIN, climate.SERVICE_SET_PRESET_MODE)
+    await trt.execute(
+        trait.COMMAND_THERMOSTAT_SET_MODE,
+        BASIC_DATA,
+        {"thermostatMode": "eco"},
+        {},
+    )
+    assert len(calls) == 1
+    assert calls[0].data == {
+        ATTR_ENTITY_ID: "climate.bla",
+        climate.ATTR_PRESET_MODE: "eco",
+    }
+
+    calls = async_mock_service(hass, climate.DOMAIN, climate.SERVICE_SET_TEMPERATURE)
+    await trt.execute(
+        trait.COMMAND_THERMOSTAT_TEMPERATURE_SET_RANGE,
+        BASIC_DATA,
+        {
+            "thermostatTemperatureSetpointHigh": 15,
+            "thermostatTemperatureSetpointLow": 22,
+        },
+        {},
+    )
+    assert len(calls) == 1
+    assert calls[0].data == {ATTR_ENTITY_ID: "climate.bla", ATTR_TEMPERATURE: 18.5}
+
 
 async def test_temperature_setting_climate_setpoint_auto(hass: HomeAssistant) -> None:
     """Test TemperatureSetting trait support for climate domain.
@@ -1068,6 +1139,10 @@ async def test_temperature_setting_climate_setpoint_auto(hass: HomeAssistant) ->
     )
     assert trt.sync_attributes() == {
         "availableThermostatModes": ["off", "heatcool", "on"],
+        "thermostatTemperatureRange": {
+            "minThresholdCelsius": 10,
+            "maxThresholdCelsius": 30,
+        },
         "thermostatTemperatureUnit": "C",
     }
     assert trt.query_attributes() == {