diff --git a/custom_components/panasonic_cc/climate.py b/custom_components/panasonic_cc/climate.py
index 97a4e28..a9272a3 100644
--- a/custom_components/panasonic_cc/climate.py
+++ b/custom_components/panasonic_cc/climate.py
@@ -292,13 +292,14 @@ def _update_attributes(self, builder: ChangeRequestBuilder) -> None:
     async def _async_enter_summer_house_mode(self, builder: ChangeRequestBuilder):
         """Enter summer house mode."""
         device = self.coordinator.device
-        stored_data = await self.coordinator.async_get_stored_data()
 
-        stored_data['mode'] = device.parameters.mode.value
-        stored_data['ecoMode'] = device.parameters.eco_mode.value
-        stored_data['targetTemperature'] = device.parameters.target_temperature
-        stored_data['fanSpeed'] = device.parameters.fan_speed.value
-        await self.coordinator.async_store_data(stored_data)
+        if not device.in_summer_house_mode:
+            stored_data = await self.coordinator.async_get_stored_data()
+            stored_data['mode'] = device.parameters.mode.value
+            stored_data['ecoMode'] = device.parameters.eco_mode.value
+            stored_data['targetTemperature'] = device.parameters.target_temperature
+            stored_data['fanSpeed'] = device.parameters.fan_speed.value
+            await self.coordinator.async_store_data(stored_data)
 
         builder.set_hvac_mode(constants.OperationMode.Heat)
         builder.set_eco_mode(constants.EcoMode.Powerful)