diff --git a/homeassistant/components/airtouch5/__init__.py b/homeassistant/components/airtouch5/__init__.py
index b8b9a3f765a..4ae6c1f1fee 100644
--- a/homeassistant/components/airtouch5/__init__.py
+++ b/homeassistant/components/airtouch5/__init__.py
@@ -13,8 +13,10 @@ from .const import DOMAIN
 
 PLATFORMS: list[Platform] = [Platform.CLIMATE]
 
+Airtouch5ConfigEntry = ConfigEntry[Airtouch5SimpleClient]
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+
+async def async_setup_entry(hass: HomeAssistant, entry: Airtouch5ConfigEntry) -> bool:
     """Set up Airtouch 5 from a config entry."""
 
     hass.data.setdefault(DOMAIN, {})
@@ -30,22 +32,21 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         raise ConfigEntryNotReady from t
 
     # Store an API object for your platforms to access
-    hass.data[DOMAIN][entry.entry_id] = client
+    entry.runtime_data = client
 
     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: Airtouch5ConfigEntry) -> bool:
     """Unload a config entry."""
     if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
-        client: Airtouch5SimpleClient = hass.data[DOMAIN][entry.entry_id]
+        client = entry.runtime_data
         await client.disconnect()
         client.ac_status_callbacks.clear()
         client.connection_state_callbacks.clear()
         client.data_packet_callbacks.clear()
         client.zone_status_callbacks.clear()
-        hass.data[DOMAIN].pop(entry.entry_id)
 
     return unload_ok
diff --git a/homeassistant/components/airtouch5/climate.py b/homeassistant/components/airtouch5/climate.py
index 157e3b7d643..1f97c254efe 100644
--- a/homeassistant/components/airtouch5/climate.py
+++ b/homeassistant/components/airtouch5/climate.py
@@ -34,12 +34,12 @@ 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 . import Airtouch5ConfigEntry
 from .const import DOMAIN, FAN_INTELLIGENT_AUTO, FAN_TURBO
 from .entity import Airtouch5Entity
 
@@ -92,11 +92,11 @@ FAN_MODE_TO_SET_AC_FAN_SPEED = {
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: Airtouch5ConfigEntry,
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up the Airtouch 5 Climate entities."""
-    client: Airtouch5SimpleClient = hass.data[DOMAIN][config_entry.entry_id]
+    client = config_entry.runtime_data
 
     entities: list[ClimateEntity] = []