diff --git a/mqtt_publish_temp.py b/mqtt_publish_temp.py
index a54432b..08c12d2 100644
--- a/mqtt_publish_temp.py
+++ b/mqtt_publish_temp.py
@@ -31,6 +31,7 @@ client = paho.Client(protocol=paho.MQTTv31)  # * set a random string (max 23 cha
 temperature_topic  = 'weathersensors/' + client_id + '/temperature'
 humidity_topic = 'weathersensors/' + client_id + '/humidity'
 time_topic = 'weathersensors/' + client_id + '/time'
+availability_topic = 'weathersensors/' + client_id + '/availability'
 
 #client connection
 #client.username_pw_set(mqtt_username, mqtt_password)  # MQTT server credentials
@@ -45,6 +46,7 @@ dt_string = now.strftime("%d-%m-%Y %H:%M:%S")
 print(dt_string)
 # Get Temperature from DHT
 _, temperature = Adafruit_DHT.read_retry(DHT_SENSOR, DHT_PIN)
+print("temperature before round: " +str(temperature))
 
 temperature = round(float(temperature),2)
 
@@ -58,4 +60,5 @@ print("humidity after round: " + str(humidity))
 # Publish our data
 client.publish(temperature_topic, temperature)
 client.publish(humidity_topic, humidity)
-client.publish(time_topic, dt_string)
\ No newline at end of file
+client.publish(time_topic, dt_string)
+client.publish(availability_topic, "ON")
diff --git a/readBresserTempSensor.py b/readBresserTempSensor.py
index 45ab9f7..6aa7a5c 100755
--- a/readBresserTempSensor.py
+++ b/readBresserTempSensor.py
@@ -56,3 +56,4 @@ for line in container.split('\n'):
 		client.publish(topic + "/battery", "" + battery)
 		client.publish(topic + "/temperature", "" + temperature)
 		client.publish(topic + "/humidity", "" + humidity)
+		client.publish(topic + "/availability", "ON")
diff --git a/readHomematicIP.py b/readHomematicIP.py
index 05d898f..baa7032 100755
--- a/readHomematicIP.py
+++ b/readHomematicIP.py
@@ -63,6 +63,7 @@ def write_wallmountedthermostatpro(room,device):
     client.publish(topic + "/actualTemperature", "" + str(actualTemperature))
     client.publish(topic + "/setPointTemperature", "" + str(setPointTemperature))
     client.publish(topic + "/humidity", "" + str(humidity))
+    client.publish(topic + "/availability", "ON")
 
     print({"Room":room, "Device Name":device.label, "Last Status Update" : device.lastStatusUpdate, "Actual Temperature":device.actualTemperature, "Set Point Temperature":device.setPointTemperature,"Humidity":device.humidity})
 
@@ -82,4 +83,4 @@ def main():
                     write_wallmountedthermostatpro(group.label,device)
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()