diff --git a/deployment/configmap.yml b/deployment/configmap.yml
index c7b98f4..0f5d8a7 100644
--- a/deployment/configmap.yml
+++ b/deployment/configmap.yml
@@ -30,63 +30,71 @@ data:
       "patty": {
         "label": "patty",
         "windows": [ 
-          { "topic": "homegear/instance1/plain/18/1/STATE", "label": "Garten rechts" },
-          { "topic": "homegear/instance1/plain/22/1/STATE", "label": "Garten links" }
+          { "topic": "homegear/instance1/plain/18/1/STATE", "label": "Garten rechts", "converter": "max" },
+          { "topic": "homegear/instance1/plain/22/1/STATE", "label": "Garten links", "converter": "max" }
         ],
-        "output_topic": "heating/homegear/instance1/set/39/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/39/1/SET_TEMPERATURE",
+        "output_converter": "max"
       },
       "kueche": {
         "label": "kueche",
         "windows": [ 
-          { "topic": "homegear/instance1/plain/37/1/STATE", "label": "Garten Fenster" },
-          { "topic": "homegear/instance1/plain/36/1/STATE", "label": "Garten Tuer" },
-          { "topic": "homegear/instance1/plain/38/1/STATE", "label": "Strasse rechts" },
-          { "topic": "homegear/instance1/plain/13/1/STATE", "label": "Strasse links" }
+          { "topic": "homegear/instance1/plain/37/1/STATE", "label": "Garten Fenster", "converter": "max" },
+          { "topic": "homegear/instance1/plain/36/1/STATE", "label": "Garten Tuer", "converter": "max" },
+          { "topic": "homegear/instance1/plain/38/1/STATE", "label": "Strasse rechts", "converter": "max" },
+          { "topic": "homegear/instance1/plain/13/1/STATE", "label": "Strasse links", "converter": "max" }
         ],
-        "output_topic": "heating/homegear/instance1/set/40/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/40/1/SET_TEMPERATURE",
+        "output_converter": "max"
       },
       "bad_oben": {
         "label": "bad_oben",
         "windows": [ 
         ],
-        "output_topic": "heating/homegear/instance1/set/41/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/41/1/SET_TEMPERATURE",
+        "output_converter": "max"
       },
       "schlafzimmer": {
         "label": "schlafzimmer",
         "windows": [ 
-          { "topic": "homegear/instance1/plain/52/1/STATE", "label": "Strasse" }
+          { "topic": "homegear/instance1/plain/52/1/STATE", "label": "Strasse", "converter": "max" }
         ],
-        "output_topic": "heating/homegear/instance1/set/42/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/42/1/SET_TEMPERATURE",
+        "output_converter": "max"
       },
       "wolfgang": {
         "label": "wolfgang",
         "windows": [ 
-          { "topic": "homegear/instance1/plain/24/1/STATE", "label": "Garten" }
+          { "topic": "homegear/instance1/plain/24/1/STATE", "label": "Garten", "converter": "max" }
         ],
-        "output_topic": "heating/homegear/instance1/set/43/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/43/1/SET_TEMPERATURE",
+        "output_converter": "max"
       },
       "esszimmer": {
         "label": "esszimmer",
         "windows": [ 
-          { "topic": "homegear/instance1/plain/26/1/STATE", "label": "Strasse rechts" },
-          { "topic": "homegear/instance1/plain/27/1/STATE", "label": "Strasse links" }
+          { "topic": "homegear/instance1/plain/26/1/STATE", "label": "Strasse rechts", "converter": "max" },
+          { "topic": "homegear/instance1/plain/27/1/STATE", "label": "Strasse links", "converter": "max" }
         ],
-        "output_topic": "heating/homegear/instance1/set/45/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/45/1/SET_TEMPERATURE",
+        "output_converter": "max"
       },
       "wohnzimmer": {
         "label": "wohnzimmer",
         "windows": [ 
-          { "topic": "homegear/instance1/plain/28/1/STATE", "label": "Garten rechts" },
-          { "topic": "homegear/instance1/plain/29/1/STATE", "label": "Garten links" }
+          { "topic": "homegear/instance1/plain/28/1/STATE", "label": "Garten rechts", "converter": "max" },
+          { "topic": "homegear/instance1/plain/29/1/STATE", "label": "Garten links", "converter": "max" }
         ],
-        "output_topic": "heating/homegear/instance1/set/46/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/46/1/SET_TEMPERATURE",
+        "output_converter": "max"
       },
       "bad_unten": {
         "label": "bad_unten",
         "windows": [ 
-          { "topic": "homegear/instance1/plain/44/1/STATE", "label": "Strasse" }
+          { "topic": "homegear/instance1/plain/44/1/STATE", "label": "Strasse", "converter": "max" }
         ],
-        "output_topic": "heating/homegear/instance1/set/48/1/SET_TEMPERATURE"
+        "output_topic": "heating/homegear/instance1/set/48/1/SET_TEMPERATURE",
+        "output_converter": "max"
       }
     }
 
diff --git a/src/message_processor.py b/src/message_processor.py
index 3fe69d6..fbeb144 100644
--- a/src/message_processor.py
+++ b/src/message_processor.py
@@ -2,6 +2,16 @@ from loguru import logger
 import json
 
 
+
+CONVERTERS = {
+    "target_temperature_output": {
+      "max": lambda x: x["output_temperature"],
+    },
+    "window_contact_input": {
+      "max": lambda x: 'closed' if (x.lower() in ('false', 'close', 'closed')) else 'open'
+    }
+}
+
 # context
 #   boxes: structure of boxes
 #   client: MQTT client
@@ -59,13 +69,13 @@ def process_message(box_name, topic_key, payload, context):
                 raise Error(f"Unexcepted topic_key: {topic_key}, {payload}") 
 
         if result:
-            (result_message, status) = result
-            publish_topic = box["output_topic"] if not status else context['status_topic']
+            result_message = CONVERTERS["target_temperature_output"][box["output_converter"]](local_context)
+            publish_topic = box["output_topic"]
             context['client'].publish(publish_topic, result_message)
-            logger.info(f"[{box_name}] Result published on '{publish_topic}': {status} {result_message}")
+            logger.info(f"[{box_name}] Result published on '{publish_topic}': {result_message}")
 
-            context_topic = f"{context['context_topic_prefix']}{box['label']}"
-            context['client'].publish(context_topic, json.dumps(local_context))
+        context_topic = f"{context['context_topic_prefix']}{box['label']}"
+        context['client'].publish(context_topic, json.dumps(local_context))
 
         logger.info(f"[{box_name}] Local context after: {local_context}")
     except Exception as e:
@@ -101,17 +111,17 @@ def _calculate_output_temperature(local_context):
     return
 
 def process_status(box_name, context, local_context, payload):
-    return (f"{local_context}", True)
+    return False
 
 def process_general_off(box_name, context, local_context, payload):
     local_context['general_off'] = (payload.lower() in ('true'))
     _calculate_output_temperature(local_context)
-    return (local_context['output_temperature'], False)
+    return True
 
 def process_maintenance_mode(box_name, context, local_context, payload):
     local_context['maintenance_mode'] = (payload.lower() in ('true'))
     _calculate_output_temperature(local_context)
-    return (local_context['output_temperature'], False)
+    return True
 
 def process_cmd(box_name, context, local_context, payload):
     if payload.lower() in ('high', 'low', 'off'):
@@ -119,20 +129,20 @@ def process_cmd(box_name, context, local_context, payload):
         _calculate_output_temperature(local_context)
     else:
         logger.error(f"Invalid cmd for {box_name} received: {payload}")
-    return (local_context['output_temperature'], False)
+    return True
 
 def process_overwrite_window(box_name, context, local_context, payload):
     local_context['overwrite_window'] = (payload.lower() in ('true'))
     _calculate_output_temperature(local_context)
-    return (local_context['output_temperature'], False)
+    return True
 
 def process_high_temp(box_name, context, local_context, payload):
     local_context['high_temperature'] = payload
     _calculate_output_temperature(local_context)
-    return (local_context['output_temperature'], False)
+    return True
 
 def process_window(box_name, context, local_context, sub_key, payload):
     local_context['window_state'][sub_key] = 'closed' if (payload.lower() in ('false', 'close', 'closed')) else 'open'
     _calculate_output_temperature(local_context)
-    return (local_context['output_temperature'], False)
+    return True