diff --git a/iolite_client/entity.py b/iolite_client/entity.py
index 6c33833..39692a1 100644
--- a/iolite_client/entity.py
+++ b/iolite_client/entity.py
@@ -55,11 +55,17 @@ def __init__(
 
 class Heating(Entity):
     def __init__(
-        self, identifier: str, name: str, current_temp: float, target_temp: float
+        self,
+        identifier: str,
+        name: str,
+        current_temp: float,
+        target_temp: float,
+        window_open: bool,
     ):
         super().__init__(identifier, name)
         self.current_temp = current_temp
         self.target_temp = target_temp
+        self.window_open = window_open
 
 
 class Room(Entity):
@@ -73,7 +79,6 @@ def add_device(self, device: Device):
             raise Exception(
                 f"Trying to add device to wrong room {device.place_identifier} != {self.identifier}"
             )
-
         self.devices[device.identifier] = device
 
     def has_device(self, device: Device) -> bool:
diff --git a/iolite_client/entity_factory.py b/iolite_client/entity_factory.py
index e037d0d..d927b23 100644
--- a/iolite_client/entity_factory.py
+++ b/iolite_client/entity_factory.py
@@ -44,6 +44,7 @@ def create_heating(payload: dict) -> Heating:
         payload["name"],
         payload["currentTemperature"],
         payload["targetTemperature"],
+        payload["windowOpen"],
     )
 
 
diff --git a/test/test_client.py b/test/test_client.py
index f8b4eb8..0a57e1f 100644
--- a/test/test_client.py
+++ b/test/test_client.py
@@ -11,7 +11,9 @@ def setUp(self) -> None:
         self.bedroom_switch = Switch(
             "2", "Bedroom Switch", self.bedroom.identifier, "Generic"
         )
-        self.bedroom_heating = Heating(self.bedroom.identifier, "Bedroom", 10, 20)
+        self.bedroom_heating = Heating(
+            self.bedroom.identifier, "Bedroom", 10, 20, False
+        )
         self.discovered = Discovered()
 
     def test_switch_without_room_is_unmapped(self):
diff --git a/test/test_entity.py b/test/test_entity.py
index f3b44b6..cab7030 100644
--- a/test/test_entity.py
+++ b/test/test_entity.py
@@ -19,7 +19,9 @@ def setUp(self) -> None:
             "Normal",
             0.0,
         )
-        self.bedroom_heating = Heating(self.bedroom.identifier, "Bedroom", 20.0, 21.5)
+        self.bedroom_heating = Heating(
+            self.bedroom.identifier, "Bedroom", 20.0, 21.5, False
+        )
 
     def test_empty_room(self):
         self.assertEqual(0, len(self.bedroom.devices))
diff --git a/test/test_oauth_handler.py b/test/test_oauth_handler.py
index f8cf977..eab684c 100644
--- a/test/test_oauth_handler.py
+++ b/test/test_oauth_handler.py
@@ -112,7 +112,6 @@ def test_get_sid_expired_access_token(self):
 
     @freeze_time("2021-01-01 00:00:00")
     def test_invalid_token_refresh(self):
-
         token = self._get_token(datetime.datetime(2021, 1, 1, 0, 0, 1))
         self.mock_oauth_storage.fetch_access_token.return_value = token
 
@@ -139,7 +138,7 @@ def _get_token(date_time: datetime.datetime) -> dict:
 
 
 class AsyncOAuthWrapperTest(unittest.TestCase):
-    def setUp(self) -> None:
+    async def asyncSetUp(self) -> None:
         self.mock_async_oauth_handler = Mock()
         self.mock_async_oauth_storage = Mock()
         self.async_oauth_wrapper = AsyncOAuthWrapper(
@@ -175,7 +174,6 @@ async def test_get_sid_expired_access_token(self):
     @pytest.mark.asyncio
     @freeze_time("2021-01-01 00:00:00")
     async def test_invalid_token_refresh(self):
-
         token = self._get_token(datetime.datetime(2021, 1, 1, 0, 0, 1))
         self.mock_async_oauth_storage.fetch_access_token.return_value = token