diff --git a/PyViCare/PyViCareVentilationDevice.py b/PyViCare/PyViCareVentilationDevice.py
index a232ce88..39bd586c 100644
--- a/PyViCare/PyViCareVentilationDevice.py
+++ b/PyViCare/PyViCareVentilationDevice.py
@@ -91,3 +91,15 @@ def getSchedule(self):
             "sat": properties["entries"]["value"]["sat"],
             "sun": properties["entries"]["value"]["sun"]
         }
+
+    @handleNotSupported
+    def getVentilationDemand(self) -> str:
+        return str(self.service.getProperty("ventilation.operating.state")["properties"]["demand"]["value"])
+
+    @handleNotSupported
+    def getVentilationLevel(self) -> str:
+        return str(self.service.getProperty("ventilation.operating.state")["properties"]["level"]["value"])
+
+    @handleNotSupported
+    def getVentilationReason(self) -> str:
+        return str(self.service.getProperty("ventilation.operating.state")["properties"]["reason"]["value"])
diff --git a/tests/test_VitoairFs300E.py b/tests/test_VitoairFs300E.py
index 7fb7991b..79362da6 100644
--- a/tests/test_VitoairFs300E.py
+++ b/tests/test_VitoairFs300E.py
@@ -38,3 +38,8 @@ def test_getSchedule(self):
 
     def test_getSerial(self):
         self.assertEqual(self.device.getSerial(), "################")
+
+    def test_ventilationState(self):
+        self.assertEqual(self.device.getVentilationDemand(), "unknown")
+        self.assertEqual(self.device.getVentilationLevel(), "levelFour")
+        self.assertEqual(self.device.getVentilationReason(), "sensorOverride")
diff --git a/tests/test_Vitopure350.py b/tests/test_Vitopure350.py
index 9b32282b..936b9b5d 100644
--- a/tests/test_Vitopure350.py
+++ b/tests/test_Vitopure350.py
@@ -31,3 +31,8 @@ def test_getSchedule(self):
     def test_getSerial(self):
         with self.assertRaises(PyViCareNotSupportedFeatureError):
             self.device.getSerial()
+
+    def test_ventilationState(self):
+        self.assertEqual(self.device.getVentilationDemand(), "unknown")
+        self.assertEqual(self.device.getVentilationLevel(), "unknown")
+        self.assertEqual(self.device.getVentilationReason(), "sensorDriven")