diff --git a/heizberry_io.py b/heizberry_io.py
index 8a3ffa3..5bbff52 100755
--- a/heizberry_io.py
+++ b/heizberry_io.py
@@ -16,7 +16,7 @@ class Zimmer:
     thermostat = None
 
 
-zimmer = [Zimmer, Zimmer]
+zimmer = [Zimmer(), Zimmer()]
 zimmerName = ["alexander", "wohnzimmer" ]
 zimmerThermostat = ["00:1A:22:16:4B:B4", "00:1A:22:16:25:C3"]
 
@@ -44,17 +44,14 @@ def on_message(client, userdata, message):
     msg = message.payload.decode("utf-8")
     log.debug('received message: %s from %s', format(msg), format(message.topic))
 
-    if message.topic.split("/", -1)[2] == "heizung":
-        if message.topic.split("/", -1)[3] == "temperatur":
-            for i in zimmer:
-                tmpThermostat = Thermostat(i.thermostat)
-                
+    for i in zimmer:
+        tmpThermostat = Thermostat(i.thermostat)
+        if message.topic.split("/", -1)[2] == "heizung":
+            if message.topic.split("/", -1)[3] == "temperatur":
                 if message.topic.split("/", -1)[1] == i.name:
                     tmpThermostat.mode= 3
                     tmpThermostat.target_temperature = round(float(msg),1)
 
-                time.sleep(10)
-
     sendReadings()
 
 
@@ -72,8 +69,6 @@ def sendReadings():
         else:
             client.publish("zimmer/" + i.name + "/heizung/status", 0, qos=1, retain=True)
 
-        time.sleep(10)
-
     log.debug('sent readings')