diff --git a/homeassistant/components/airzone/entity.py b/homeassistant/components/airzone/entity.py
index a05b8cd6181..9ee923ba1af 100644
--- a/homeassistant/components/airzone/entity.py
+++ b/homeassistant/components/airzone/entity.py
@@ -7,6 +7,7 @@ from typing import Any
 from aioairzone.const import (
     API_SYSTEM_ID,
     API_ZONE_ID,
+    AZD_AVAILABLE,
     AZD_FIRMWARE,
     AZD_FULL_NAME,
     AZD_ID,
@@ -66,6 +67,11 @@ class AirzoneSystemEntity(AirzoneEntity):
         )
         self._attr_unique_id = entry.unique_id or entry.entry_id
 
+    @property
+    def available(self) -> bool:
+        """Return system availability."""
+        return super().available and self.get_airzone_value(AZD_AVAILABLE)
+
     def get_airzone_value(self, key: str) -> Any:
         """Return system value by key."""
         value = None
@@ -130,6 +136,11 @@ class AirzoneZoneEntity(AirzoneEntity):
         )
         self._attr_unique_id = entry.unique_id or entry.entry_id
 
+    @property
+    def available(self) -> bool:
+        """Return zone availability."""
+        return super().available and self.get_airzone_value(AZD_AVAILABLE)
+
     def get_airzone_value(self, key: str) -> Any:
         """Return zone value by key."""
         value = None
diff --git a/homeassistant/components/airzone/manifest.json b/homeassistant/components/airzone/manifest.json
index d55ffd187fd..9fbdd95518e 100644
--- a/homeassistant/components/airzone/manifest.json
+++ b/homeassistant/components/airzone/manifest.json
@@ -11,5 +11,5 @@
   "documentation": "https://www.home-assistant.io/integrations/airzone",
   "iot_class": "local_polling",
   "loggers": ["aioairzone"],
-  "requirements": ["aioairzone==0.5.6"]
+  "requirements": ["aioairzone==0.6.1"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index a508ca89bfb..54de1740d7e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -119,7 +119,7 @@ aioairq==0.2.4
 aioairzone-cloud==0.1.6
 
 # homeassistant.components.airzone
-aioairzone==0.5.6
+aioairzone==0.6.1
 
 # homeassistant.components.ambient_station
 aioambient==2023.04.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 09910f00c7d..61e30b3fb04 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -109,7 +109,7 @@ aioairq==0.2.4
 aioairzone-cloud==0.1.6
 
 # homeassistant.components.airzone
-aioairzone==0.5.6
+aioairzone==0.6.1
 
 # homeassistant.components.ambient_station
 aioambient==2023.04.0
diff --git a/tests/components/airzone/test_diagnostics.py b/tests/components/airzone/test_diagnostics.py
index 2fa5a7d566a..33f0175bdb7 100644
--- a/tests/components/airzone/test_diagnostics.py
+++ b/tests/components/airzone/test_diagnostics.py
@@ -14,7 +14,6 @@ from aioairzone.const import (
     AZD_SYSTEM,
     AZD_SYSTEMS,
     AZD_ZONES,
-    AZD_ZONES_NUM,
     RAW_HVAC,
     RAW_VERSION,
     RAW_WEBSERVER,
@@ -93,7 +92,6 @@ async def test_config_entry_diagnostics(
         diag["coord_data"][AZD_SYSTEMS]["1"].items()
         >= {
             AZD_ID: 1,
-            AZD_ZONES_NUM: 5,
         }.items()
     )
 
diff --git a/tests/components/airzone/test_sensor.py b/tests/components/airzone/test_sensor.py
index c72c083039e..1d778761ee1 100644
--- a/tests/components/airzone/test_sensor.py
+++ b/tests/components/airzone/test_sensor.py
@@ -1,8 +1,23 @@
 """The sensor tests for the Airzone platform."""
 
-from homeassistant.core import HomeAssistant
+from unittest.mock import patch
 
-from .util import async_init_integration
+from aioairzone.const import API_DATA, API_SYSTEMS
+
+from homeassistant.components.airzone.coordinator import SCAN_INTERVAL
+from homeassistant.const import STATE_UNAVAILABLE
+from homeassistant.core import HomeAssistant
+from homeassistant.util.dt import utcnow
+
+from .util import (
+    HVAC_MOCK,
+    HVAC_SYSTEMS_MOCK,
+    HVAC_VERSION_MOCK,
+    HVAC_WEBSERVER_MOCK,
+    async_init_integration,
+)
+
+from tests.common import async_fire_time_changed
 
 
 async def test_airzone_create_sensors(
@@ -58,3 +73,36 @@ async def test_airzone_create_sensors(
 
     state = hass.states.get("sensor.dkn_plus_humidity")
     assert state is None
+
+
+async def test_airzone_sensors_availability(
+    hass: HomeAssistant, entity_registry_enabled_by_default: None
+) -> None:
+    """Test sensors availability."""
+
+    await async_init_integration(hass)
+
+    HVAC_MOCK_UNAVAILABLE_ZONE = {**HVAC_MOCK}
+    del HVAC_MOCK_UNAVAILABLE_ZONE[API_SYSTEMS][0][API_DATA][1]
+
+    with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
+        return_value=HVAC_MOCK_UNAVAILABLE_ZONE,
+    ), patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_hvac_systems",
+        return_value=HVAC_SYSTEMS_MOCK,
+    ), patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_version",
+        return_value=HVAC_VERSION_MOCK,
+    ), patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_webserver",
+        return_value=HVAC_WEBSERVER_MOCK,
+    ):
+        async_fire_time_changed(hass, utcnow() + SCAN_INTERVAL)
+        await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.dorm_ppal_temperature")
+    assert state.state == STATE_UNAVAILABLE
+
+    state = hass.states.get("sensor.dorm_ppal_humidity")
+    assert state.state == STATE_UNAVAILABLE