diff --git a/PyTado/http.py b/PyTado/http.py
index 2c883fb..8d325cf 100644
--- a/PyTado/http.py
+++ b/PyTado/http.py
@@ -282,7 +282,7 @@ def _refresh_token(self) -> None:
             f"Unknown error while refreshing token with status code {response.status_code}"
         )
 
-    def _login(self) -> tuple[int, bool, str] | None:
+    def _login(self) -> tuple[int, str] | None:
 
         headers = self._headers
         headers["Content-Type"] = "application/json"
diff --git a/PyTado/interface/api/hops_tado.py b/PyTado/interface/api/hops_tado.py
index d67f9e9..d21c174 100644
--- a/PyTado/interface/api/hops_tado.py
+++ b/PyTado/interface/api/hops_tado.py
@@ -56,7 +56,7 @@ def __init__(
         # set to None until explicitly set
         self._auto_geofencing_supported = None
 
-    def _create_request(self) -> TadoRequest:
+    def _create_x_request(self) -> TadoRequest:
         return TadoXRequest()
 
     def get_devices(self):
@@ -64,7 +64,7 @@ def get_devices(self):
         Gets device information.
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = "roomsAndDevices"
 
         rooms: list[dict[str, Any]] = self._http.request(request)["rooms"]
@@ -77,7 +77,7 @@ def get_zones(self):
         Gets zones information.
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = "roomsAndDevices"
 
         return self._http.request(request)["rooms"]
@@ -94,7 +94,7 @@ def get_zone_states(self):
         Gets current states of all zones.
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = "rooms"
 
         return self._http.request(request)
@@ -104,7 +104,7 @@ def get_state(self, zone):
         Gets current state of Zone.
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = f"rooms/{zone:d}"
         data = self._http.request(request)
 
@@ -150,7 +150,7 @@ def get_schedule(
         Zone has 3 different schedules, one for each timetable (see setTimetable)
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = f"rooms/{zone:d}/schedule"
 
         return self._http.request(request)
@@ -160,7 +160,7 @@ def set_schedule(self, zone, timetable: Timetable, day, data):
         Set the schedule for a zone, day is required
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = f"rooms/{zone:d}/schedule"
         request.action = Action.SET
         request.payload = data
@@ -173,7 +173,7 @@ def reset_zone_overlay(self, zone):
         Delete current overlay
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = f"rooms/{zone:d}/resumeSchedule"
         request.action = Action.SET
 
@@ -213,7 +213,7 @@ def set_zone_overlay(
         if duration is not None:
             post_data["termination"]["durationInSeconds"] = duration
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = f"rooms/{zone:d}/manualControl"
         request.action = Action.SET
         request.payload = post_data
@@ -236,7 +236,7 @@ def get_open_window_detected(self, zone):
 
         data = self.get_state(zone)
 
-        if "activated" in data["openWindow"]:
+        if data["openWindow"] and "activated" in data["openWindow"]:
             return {"openWindowDetected": True}
         else:
             return {"openWindowDetected": False}
@@ -275,7 +275,7 @@ def set_temp_offset(self, device_id, offset=0, measure="celsius"):
         Set the Temperature offset on the device.
         """
 
-        request = self._create_request()
+        request = self._create_x_request()
         request.command = f"roomsAndDevices/devices/{device_id}"
         request.action = Action.CHANGE
         request.payload = {"temperatureOffset": offset}
diff --git a/pyproject.toml b/pyproject.toml
index bed8071..f15073d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,11 +4,12 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "python-tado"
-version = "0.18.2"
+version = "0.18.3"
 description = "PyTado from chrism0dwk, modfied by w.malgadey, diplix, michaelarnauts, LenhartStephan, splifter, syssi, andersonshatch, Yippy, p0thi, Coffee2CodeNL, chiefdragon, FilBr, nikilase, albertomontesg, Moritz-Schmidt, palazzem"
 authors = [
     { name = "Chris Jewell", email = "chrism0dwk@gmail.com" },
     { name = "w.malgadey", email = "w.malgadey@gmail.com" },
+    { name = "FilBr", email = "filippo.barba@protonmail.com" },
 ]
 dependencies = ["requests"]
 requires-python = ">=3.11"