diff --git a/homeassistant/components/airzone_cloud/__init__.py b/homeassistant/components/airzone_cloud/__init__.py
index e53c01e0f81..b1d7900f2e8 100644
--- a/homeassistant/components/airzone_cloud/__init__.py
+++ b/homeassistant/components/airzone_cloud/__init__.py
@@ -10,7 +10,6 @@ from homeassistant.const import CONF_ID, CONF_PASSWORD, CONF_USERNAME, Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import aiohttp_client
 
-from .const import DOMAIN
 from .coordinator import AirzoneUpdateCoordinator
 
 PLATFORMS: list[Platform] = [
@@ -21,8 +20,12 @@ PLATFORMS: list[Platform] = [
     Platform.WATER_HEATER,
 ]
 
+type AirzoneCloudConfigEntry = ConfigEntry[AirzoneUpdateCoordinator]
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: AirzoneCloudConfigEntry
+) -> bool:
     """Set up Airzone Cloud from a config entry."""
     options = ConnectionOptions(
         entry.data[CONF_USERNAME],
@@ -41,18 +44,20 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     coordinator = AirzoneUpdateCoordinator(hass, airzone)
     await coordinator.async_config_entry_first_refresh()
 
-    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = coordinator
+    entry.runtime_data = coordinator
 
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
 
     return True
 
 
-async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_unload_entry(
+    hass: HomeAssistant, entry: AirzoneCloudConfigEntry
+) -> bool:
     """Unload a config entry."""
 
     if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
-        coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN].pop(entry.entry_id)
+        coordinator = entry.runtime_data
         await coordinator.airzone.logout()
 
     return unload_ok
diff --git a/homeassistant/components/airzone_cloud/binary_sensor.py b/homeassistant/components/airzone_cloud/binary_sensor.py
index 9266ee3445e..f235d9b06d0 100644
--- a/homeassistant/components/airzone_cloud/binary_sensor.py
+++ b/homeassistant/components/airzone_cloud/binary_sensor.py
@@ -21,12 +21,11 @@ from homeassistant.components.binary_sensor import (
     BinarySensorEntity,
     BinarySensorEntityDescription,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import EntityCategory
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .const import DOMAIN
+from . import AirzoneCloudConfigEntry
 from .coordinator import AirzoneUpdateCoordinator
 from .entity import (
     AirzoneAidooEntity,
@@ -94,10 +93,12 @@ ZONE_BINARY_SENSOR_TYPES: Final[tuple[AirzoneBinarySensorEntityDescription, ...]
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: AirzoneCloudConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Add Airzone Cloud binary sensors from a config_entry."""
-    coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     binary_sensors: list[AirzoneBinarySensor] = [
         AirzoneAidooBinarySensor(
diff --git a/homeassistant/components/airzone_cloud/climate.py b/homeassistant/components/airzone_cloud/climate.py
index 80f8af36a15..3658c073795 100644
--- a/homeassistant/components/airzone_cloud/climate.py
+++ b/homeassistant/components/airzone_cloud/climate.py
@@ -53,13 +53,12 @@ from homeassistant.components.climate import (
     HVACAction,
     HVACMode,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .const import DOMAIN
+from . import AirzoneCloudConfigEntry
 from .coordinator import AirzoneUpdateCoordinator
 from .entity import (
     AirzoneAidooEntity,
@@ -119,10 +118,12 @@ HVAC_MODE_HASS_TO_LIB: Final[dict[HVACMode, OperationMode]] = {
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: AirzoneCloudConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Add Airzone climate from a config_entry."""
-    coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     entities: list[AirzoneClimate] = []
 
diff --git a/homeassistant/components/airzone_cloud/diagnostics.py b/homeassistant/components/airzone_cloud/diagnostics.py
index 372455a4597..516a8fcb165 100644
--- a/homeassistant/components/airzone_cloud/diagnostics.py
+++ b/homeassistant/components/airzone_cloud/diagnostics.py
@@ -22,12 +22,10 @@ from aioairzone_cloud.const import (
 )
 
 from homeassistant.components.diagnostics.util import async_redact_data
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import HomeAssistant
 
-from .const import DOMAIN
-from .coordinator import AirzoneUpdateCoordinator
+from . import AirzoneCloudConfigEntry
 
 TO_REDACT_API = [
     API_CITY,
@@ -137,10 +135,10 @@ def redact_all(
 
 
 async def async_get_config_entry_diagnostics(
-    hass: HomeAssistant, config_entry: ConfigEntry
+    hass: HomeAssistant, config_entry: AirzoneCloudConfigEntry
 ) -> dict[str, Any]:
     """Return diagnostics for a config entry."""
-    coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN][config_entry.entry_id]
+    coordinator = config_entry.runtime_data
     raw_data = coordinator.airzone.raw_data()
     ids = gather_ids(raw_data)
 
diff --git a/homeassistant/components/airzone_cloud/select.py b/homeassistant/components/airzone_cloud/select.py
index c5c9f664503..9bc0bdd1f5b 100644
--- a/homeassistant/components/airzone_cloud/select.py
+++ b/homeassistant/components/airzone_cloud/select.py
@@ -14,12 +14,11 @@ from aioairzone_cloud.const import (
 )
 
 from homeassistant.components.select import SelectEntity, SelectEntityDescription
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import EntityCategory
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .const import DOMAIN
+from . import AirzoneCloudConfigEntry
 from .coordinator import AirzoneUpdateCoordinator
 from .entity import AirzoneEntity, AirzoneZoneEntity
 
@@ -52,10 +51,12 @@ ZONE_SELECT_TYPES: Final[tuple[AirzoneSelectDescription, ...]] = (
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: AirzoneCloudConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Add Airzone Cloud select from a config_entry."""
-    coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     # Zones
     async_add_entities(
diff --git a/homeassistant/components/airzone_cloud/sensor.py b/homeassistant/components/airzone_cloud/sensor.py
index febbbcc7ef6..f5dc2d7f9eb 100644
--- a/homeassistant/components/airzone_cloud/sensor.py
+++ b/homeassistant/components/airzone_cloud/sensor.py
@@ -23,7 +23,6 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
     PERCENTAGE,
@@ -34,7 +33,7 @@ from homeassistant.const import (
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .const import DOMAIN
+from . import AirzoneCloudConfigEntry
 from .coordinator import AirzoneUpdateCoordinator
 from .entity import (
     AirzoneAidooEntity,
@@ -103,10 +102,12 @@ ZONE_SENSOR_TYPES: Final[tuple[SensorEntityDescription, ...]] = (
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: AirzoneCloudConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Add Airzone Cloud sensors from a config_entry."""
-    coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     # Aidoos
     sensors: list[AirzoneSensor] = [
diff --git a/homeassistant/components/airzone_cloud/water_heater.py b/homeassistant/components/airzone_cloud/water_heater.py
index fd1c772b38a..51228ae6b90 100644
--- a/homeassistant/components/airzone_cloud/water_heater.py
+++ b/homeassistant/components/airzone_cloud/water_heater.py
@@ -27,12 +27,11 @@ from homeassistant.components.water_heater import (
     WaterHeaterEntity,
     WaterHeaterEntityFeature,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, STATE_OFF, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .const import DOMAIN
+from . import AirzoneCloudConfigEntry
 from .coordinator import AirzoneUpdateCoordinator
 from .entity import AirzoneHotWaterEntity
 
@@ -68,10 +67,12 @@ OPERATION_MODE_TO_DHW_PARAMS: Final[dict[str, dict[str, Any]]] = {
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: AirzoneCloudConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Add Airzone Cloud Water Heater from a config_entry."""
-    coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     async_add_entities(
         AirzoneWaterHeater(
diff --git a/tests/components/airzone_cloud/test_diagnostics.py b/tests/components/airzone_cloud/test_diagnostics.py
index 2b2e3f33105..254dba16b09 100644
--- a/tests/components/airzone_cloud/test_diagnostics.py
+++ b/tests/components/airzone_cloud/test_diagnostics.py
@@ -104,7 +104,6 @@ async def test_config_entry_diagnostics(
 ) -> None:
     """Test config entry diagnostics."""
     await async_init_integration(hass)
-    assert hass.data[DOMAIN]
 
     config_entry = hass.config_entries.async_entries(DOMAIN)[0]
     with patch(
diff --git a/tests/components/airzone_cloud/util.py b/tests/components/airzone_cloud/util.py
index 0583fad7c0e..dfd59199a8a 100644
--- a/tests/components/airzone_cloud/util.py
+++ b/tests/components/airzone_cloud/util.py
@@ -91,7 +91,7 @@ from aioairzone_cloud.const import (
 from aioairzone_cloud.device import Device
 from aioairzone_cloud.webserver import WebServer
 
-from homeassistant.components.airzone_cloud import DOMAIN
+from homeassistant.components.airzone_cloud.const import DOMAIN
 from homeassistant.const import CONF_ID, CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import HomeAssistant