diff --git a/homeassistant/components/airtouch4/__init__.py b/homeassistant/components/airtouch4/__init__.py
index 5f63fe023dc..1a4c87a940c 100644
--- a/homeassistant/components/airtouch4/__init__.py
+++ b/homeassistant/components/airtouch4/__init__.py
@@ -7,15 +7,15 @@ from homeassistant.const import CONF_HOST, Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady
 
-from .const import DOMAIN
 from .coordinator import AirtouchDataUpdateCoordinator
 
 PLATFORMS = [Platform.CLIMATE]
 
+type AirTouch4ConfigEntry = ConfigEntry[AirtouchDataUpdateCoordinator]
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+
+async def async_setup_entry(hass: HomeAssistant, entry: AirTouch4ConfigEntry) -> bool:
     """Set up AirTouch4 from a config entry."""
-    hass.data.setdefault(DOMAIN, {})
     host = entry.data[CONF_HOST]
     airtouch = AirTouch(host)
     await airtouch.UpdateInfo()
@@ -24,18 +24,13 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         raise ConfigEntryNotReady
     coordinator = AirtouchDataUpdateCoordinator(hass, airtouch)
     await coordinator.async_config_entry_first_refresh()
-    hass.data[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: AirTouch4ConfigEntry) -> bool:
     """Unload a config entry."""
-    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
-
-    if unload_ok:
-        hass.data[DOMAIN].pop(entry.entry_id)
-
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/airtouch4/climate.py b/homeassistant/components/airtouch4/climate.py
index 3fdace0f553..29fd2bc4bed 100644
--- a/homeassistant/components/airtouch4/climate.py
+++ b/homeassistant/components/airtouch4/climate.py
@@ -16,13 +16,13 @@ from homeassistant.components.climate import (
     ClimateEntityFeature,
     HVACMode,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
+from . import AirTouch4ConfigEntry
 from .const import DOMAIN
 
 AT_TO_HA_STATE = {
@@ -63,11 +63,11 @@ _LOGGER = logging.getLogger(__name__)
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: AirTouch4ConfigEntry,
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up the Airtouch 4."""
-    coordinator = hass.data[DOMAIN][config_entry.entry_id]
+    coordinator = config_entry.runtime_data
     info = coordinator.data
     entities: list[ClimateEntity] = [
         AirtouchGroup(coordinator, group["group_number"], info)