diff --git a/homeassistant/components/airzone/climate.py b/homeassistant/components/airzone/climate.py
index adbc6e1ff6e..22172255b9b 100644
--- a/homeassistant/components/airzone/climate.py
+++ b/homeassistant/components/airzone/climate.py
@@ -31,6 +31,7 @@ from aioairzone.const import (
 )
 
 from homeassistant.components.climate import (
+    ATTR_HVAC_MODE,
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
     FAN_AUTO,
@@ -222,6 +223,9 @@ class AirzoneClimate(AirzoneZoneEntity, ClimateEntity):
             params[API_HEAT_SET_POINT] = kwargs[ATTR_TARGET_TEMP_LOW]
         await self._async_update_hvac_params(params)
 
+        if ATTR_HVAC_MODE in kwargs:
+            await self.async_set_hvac_mode(kwargs[ATTR_HVAC_MODE])
+
     @callback
     def _handle_coordinator_update(self) -> None:
         """Update attributes when the coordinator updates."""
diff --git a/tests/components/airzone/test_climate.py b/tests/components/airzone/test_climate.py
index 94bea0a5e07..34844e34370 100644
--- a/tests/components/airzone/test_climate.py
+++ b/tests/components/airzone/test_climate.py
@@ -536,6 +536,7 @@ async def test_airzone_climate_set_temp(hass: HomeAssistant) -> None:
                 API_SYSTEM_ID: 1,
                 API_ZONE_ID: 5,
                 API_SET_POINT: 20.5,
+                API_ON: 1,
             }
         ]
     }
@@ -551,12 +552,14 @@ async def test_airzone_climate_set_temp(hass: HomeAssistant) -> None:
             SERVICE_SET_TEMPERATURE,
             {
                 ATTR_ENTITY_ID: "climate.dorm_2",
+                ATTR_HVAC_MODE: HVACMode.HEAT,
                 ATTR_TEMPERATURE: 20.5,
             },
             blocking=True,
         )
 
     state = hass.states.get("climate.dorm_2")
+    assert state.state == HVACMode.HEAT
     assert state.attributes.get(ATTR_TEMPERATURE) == 20.5