diff --git a/pytec/pytec/gui/model/thermostat.py b/pytec/pytec/gui/model/thermostat.py
index 90ad78b..e68f044 100644
--- a/pytec/pytec/gui/model/thermostat.py
+++ b/pytec/pytec/gui/model/thermostat.py
@@ -25,6 +25,9 @@ class Thermostat(QObject, metaclass=PropertyMeta):
         self._poll_for_report = True
         super().__init__(parent)
 
+    async def start_session(self, host, port):
+        await self._client.start_session(host, port, timeout=5)
+
     async def run(self):
         self.task = asyncio.create_task(self.update_params())
         while True:
@@ -60,10 +63,10 @@ class Thermostat(QObject, metaclass=PropertyMeta):
         self.postfilter = await self._client.get_postfilter()
 
     def connected(self):
-        return self._client.connected
+        return self._client.connected()
 
     def connecting(self):
-        return self._client.connecting
+        return self._client.connecting()
 
     def start_watching(self):
         self._watch_task = asyncio.create_task(self.run())
@@ -123,3 +126,9 @@ class Thermostat(QObject, metaclass=PropertyMeta):
     @pyqtSlot(float)
     def set_update_s(self, update_s):
         self._update_s = update_s
+
+    async def set_fan(self, power="auto"):
+        self._client.set_fan(power)
+
+    async def get_fan(self):
+        return await self._client.get_fan()
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 12b6c62..330995a 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -249,14 +249,14 @@ class MainWindow(QtWidgets.QMainWindow):
             self.conn_menu.port_set_spin.value(),
         )
         try:
-            if not (self.client.connecting() or self.client.connected()):
+            if not (self.thermostat.connecting() or self.thermostat.connected()):
                 self.status_lbl.setText("Connecting...")
                 self.connect_btn.setText("Stop")
                 self.conn_menu.host_set_line.setEnabled(False)
                 self.conn_menu.port_set_spin.setEnabled(False)
 
                 try:
-                    await self.client.start_session(host=host, port=port, timeout=5)
+                    await self.thermostat.start_session(host=host, port=port)
                 except StoppedConnecting:
                     return
                 await self._on_connection_changed(True)
@@ -273,7 +273,7 @@ class MainWindow(QtWidgets.QMainWindow):
     @asyncSlot()
     async def bail(self):
         await self._on_connection_changed(False)
-        await self.client.end_session()
+        await self.thermostat.disconnect()
 
     @asyncSlot(object, object)
     async def send_command(self, param, changes):
@@ -376,24 +376,24 @@ class MainWindow(QtWidgets.QMainWindow):
 
     @asyncSlot(int)
     async def fan_set_request(self, value):
-        if not self.client.connected():
+        if not self.thermostat.connected():
             return
         if self.thermostat_ctrl_menu.fan_auto_box.isChecked():
             with QSignalBlocker(self.thermostat_ctrl_menu.fan_auto_box):
                 self.thermostat_ctrl_menu.fan_auto_box.setChecked(False)
-        await self.client.set_fan(value)
+        await self.thermostat.set_fan(value)
         if not self.hw_rev_data["settings"]["fan_pwm_recommended"]:
             self.thermostat_ctrl_menu.set_fan_pwm_warning()
 
     @asyncSlot(int)
     async def fan_auto_set_request(self, enabled):
-        if not self.client.connected():
+        if not self.thermostat.connected():
             return
         if enabled:
-            await self.client.set_fan("auto")
-            self.fan_update(await self.client.get_fan())
+            await self.thermostat.set_fan("auto")
+            self.fan_update(await self.thermostat.get_fan())
         else:
-            await self.client.set_fan(
+            await self.thermostat.set_fan(
                 self.thermostat_ctrl_menu.fan_power_slider.value()
             )