diff --git a/homeassistant/components/airzone/manifest.json b/homeassistant/components/airzone/manifest.json
index 39adf08236e..711da2ec993 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==0.6.5"]
+  "requirements": ["aioairzone==0.6.6"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 114a1e6b5e8..6f7cbba02ca 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -188,7 +188,7 @@ aioairq==0.2.4
 aioairzone-cloud==0.2.1
 
 # homeassistant.components.airzone
-aioairzone==0.6.5
+aioairzone==0.6.6
 
 # homeassistant.components.ambient_station
 aioambient==2023.04.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index ec9f4da9090..de2b973d57c 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -169,7 +169,7 @@ aioairq==0.2.4
 aioairzone-cloud==0.2.1
 
 # homeassistant.components.airzone
-aioairzone==0.6.5
+aioairzone==0.6.6
 
 # homeassistant.components.ambient_station
 aioambient==2023.04.0
diff --git a/tests/components/airzone/test_climate.py b/tests/components/airzone/test_climate.py
index 3e68c056566..1f8667d0344 100644
--- a/tests/components/airzone/test_climate.py
+++ b/tests/components/airzone/test_climate.py
@@ -54,6 +54,7 @@ from homeassistant.exceptions import HomeAssistantError
 from homeassistant.util.dt import utcnow
 
 from .util import (
+    HVAC_DHW_MOCK,
     HVAC_MOCK,
     HVAC_SYSTEMS_MOCK,
     HVAC_WEBSERVER_MOCK,
@@ -226,6 +227,9 @@ async def test_airzone_create_climates(hass: HomeAssistant) -> None:
     HVAC_MOCK_CHANGED[API_SYSTEMS][0][API_DATA][0][API_MIN_TEMP] = 10
 
     with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        return_value=HVAC_DHW_MOCK,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK_CHANGED,
     ), patch(
@@ -437,6 +441,9 @@ async def test_airzone_climate_set_hvac_mode(hass: HomeAssistant) -> None:
     del HVAC_MOCK_NO_SET_POINT[API_SYSTEMS][0][API_DATA][0][API_SET_POINT]
 
     with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        return_value=HVAC_DHW_MOCK,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK_NO_SET_POINT,
     ), patch(
diff --git a/tests/components/airzone/test_config_flow.py b/tests/components/airzone/test_config_flow.py
index d703a232c7b..10aaf07885b 100644
--- a/tests/components/airzone/test_config_flow.py
+++ b/tests/components/airzone/test_config_flow.py
@@ -5,6 +5,7 @@ from unittest.mock import patch
 from aioairzone.const import API_MAC, API_SYSTEMS
 from aioairzone.exceptions import (
     AirzoneError,
+    HotWaterNotAvailable,
     InvalidMethod,
     InvalidSystem,
     SystemOutOfRange,
@@ -19,7 +20,14 @@ from homeassistant.const import CONF_HOST, CONF_ID, CONF_PORT
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
-from .util import CONFIG, CONFIG_ID1, HVAC_MOCK, HVAC_VERSION_MOCK, HVAC_WEBSERVER_MOCK
+from .util import (
+    CONFIG,
+    CONFIG_ID1,
+    HVAC_DHW_MOCK,
+    HVAC_MOCK,
+    HVAC_VERSION_MOCK,
+    HVAC_WEBSERVER_MOCK,
+)
 
 from tests.common import MockConfigEntry
 
@@ -41,6 +49,9 @@ async def test_form(hass: HomeAssistant) -> None:
         "homeassistant.components.airzone.async_setup_entry",
         return_value=True,
     ) as mock_setup_entry, patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        return_value=HVAC_DHW_MOCK,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK,
     ), patch(
@@ -87,6 +98,9 @@ async def test_form_invalid_system_id(hass: HomeAssistant) -> None:
         "homeassistant.components.airzone.async_setup_entry",
         return_value=True,
     ) as mock_setup_entry, patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        side_effect=HotWaterNotAvailable,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         side_effect=InvalidSystem,
     ) as mock_hvac, patch(
@@ -186,6 +200,9 @@ async def test_dhcp_flow(hass: HomeAssistant) -> None:
         "homeassistant.components.airzone.async_setup_entry",
         return_value=True,
     ) as mock_setup_entry, patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        return_value=HVAC_DHW_MOCK,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK,
     ), patch(
@@ -264,6 +281,9 @@ async def test_dhcp_connection_error(hass: HomeAssistant) -> None:
         "homeassistant.components.airzone.async_setup_entry",
         return_value=True,
     ) as mock_setup_entry, patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        return_value=HVAC_DHW_MOCK,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK,
     ), patch(
@@ -317,6 +337,9 @@ async def test_dhcp_invalid_system_id(hass: HomeAssistant) -> None:
         "homeassistant.components.airzone.async_setup_entry",
         return_value=True,
     ) as mock_setup_entry, patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        side_effect=HotWaterNotAvailable,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         side_effect=InvalidSystem,
     ) as mock_hvac, patch(
diff --git a/tests/components/airzone/test_coordinator.py b/tests/components/airzone/test_coordinator.py
index bcfdad8ead8..62f6a15fe35 100644
--- a/tests/components/airzone/test_coordinator.py
+++ b/tests/components/airzone/test_coordinator.py
@@ -2,7 +2,12 @@
 
 from unittest.mock import patch
 
-from aioairzone.exceptions import AirzoneError, InvalidMethod, SystemOutOfRange
+from aioairzone.exceptions import (
+    AirzoneError,
+    HotWaterNotAvailable,
+    InvalidMethod,
+    SystemOutOfRange,
+)
 
 from homeassistant.components.airzone.const import DOMAIN
 from homeassistant.components.airzone.coordinator import SCAN_INTERVAL
@@ -26,6 +31,9 @@ async def test_coordinator_client_connector_error(hass: HomeAssistant) -> None:
     config_entry.add_to_hass(hass)
 
     with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        side_effect=HotWaterNotAvailable,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK,
     ) as mock_hvac, patch(
diff --git a/tests/components/airzone/test_init.py b/tests/components/airzone/test_init.py
index bb7cb06d1c2..2214e5d07ab 100644
--- a/tests/components/airzone/test_init.py
+++ b/tests/components/airzone/test_init.py
@@ -2,7 +2,7 @@
 
 from unittest.mock import patch
 
-from aioairzone.exceptions import InvalidMethod, SystemOutOfRange
+from aioairzone.exceptions import HotWaterNotAvailable, InvalidMethod, SystemOutOfRange
 
 from homeassistant.components.airzone.const import DOMAIN
 from homeassistant.config_entries import ConfigEntryState
@@ -23,6 +23,9 @@ async def test_unique_id_migrate(hass: HomeAssistant) -> None:
     config_entry.add_to_hass(hass)
 
     with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        side_effect=HotWaterNotAvailable,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK,
     ), patch(
@@ -45,6 +48,9 @@ async def test_unique_id_migrate(hass: HomeAssistant) -> None:
     )
 
     with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        side_effect=HotWaterNotAvailable,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK,
     ), patch(
diff --git a/tests/components/airzone/test_sensor.py b/tests/components/airzone/test_sensor.py
index 1d778761ee1..cce8a452a15 100644
--- a/tests/components/airzone/test_sensor.py
+++ b/tests/components/airzone/test_sensor.py
@@ -10,6 +10,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.util.dt import utcnow
 
 from .util import (
+    HVAC_DHW_MOCK,
     HVAC_MOCK,
     HVAC_SYSTEMS_MOCK,
     HVAC_VERSION_MOCK,
@@ -86,6 +87,9 @@ async def test_airzone_sensors_availability(
     del HVAC_MOCK_UNAVAILABLE_ZONE[API_SYSTEMS][0][API_DATA][1]
 
     with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        return_value=HVAC_DHW_MOCK,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK_UNAVAILABLE_ZONE,
     ), patch(
diff --git a/tests/components/airzone/util.py b/tests/components/airzone/util.py
index 4afcaeac232..74cda7c8017 100644
--- a/tests/components/airzone/util.py
+++ b/tests/components/airzone/util.py
@@ -3,6 +3,12 @@
 from unittest.mock import patch
 
 from aioairzone.const import (
+    API_ACS_MAX_TEMP,
+    API_ACS_MIN_TEMP,
+    API_ACS_ON,
+    API_ACS_POWER_MODE,
+    API_ACS_SET_POINT,
+    API_ACS_TEMP,
     API_AIR_DEMAND,
     API_COLD_ANGLE,
     API_COLD_STAGE,
@@ -266,6 +272,18 @@ HVAC_MOCK = {
     ]
 }
 
+HVAC_DHW_MOCK = {
+    API_DATA: {
+        API_SYSTEM_ID: 0,
+        API_ACS_TEMP: 43,
+        API_ACS_SET_POINT: 45,
+        API_ACS_MAX_TEMP: 75,
+        API_ACS_MIN_TEMP: 30,
+        API_ACS_ON: 1,
+        API_ACS_POWER_MODE: 0,
+    }
+}
+
 HVAC_SYSTEMS_MOCK = {
     API_SYSTEMS: [
         {
@@ -301,6 +319,9 @@ async def async_init_integration(
     config_entry.add_to_hass(hass)
 
     with patch(
+        "homeassistant.components.airzone.AirzoneLocalApi.get_dhw",
+        return_value=HVAC_DHW_MOCK,
+    ), patch(
         "homeassistant.components.airzone.AirzoneLocalApi.get_hvac",
         return_value=HVAC_MOCK,
     ), patch(