diff --git a/custom_components/gree/climate.py b/custom_components/gree/climate.py
index 28818a8..9c7a4d5 100644
--- a/custom_components/gree/climate.py
+++ b/custom_components/gree/climate.py
@@ -1,4 +1,4 @@
-"""
+/"""
 Gree Climate Entity for Home Assistant.
 
 This module defines the climate (HVAC) unit for the Gree integration.
@@ -273,8 +273,8 @@ async def GreeGetValues(self, propertyNames):
             jsonPayloadToSend = '{"cid":"app","i":0,"pack":"' + pack + '","t":"pack","tcid":"' + str(self._mac_addr) + '","uid":{}'.format(self._uid) + ',"tag" : "' + tag + '"}'
             cipher = GetGCMCipher(self._encryption_key)
         result = await FetchResult(cipher, self._ip_addr, self._port, jsonPayloadToSend, encryption_version=self.encryption_version)
-        return result["dat"][0] if len(result["dat"]) == 1 else result["dat"]
-
+        return None if len(result["dat"]) == 0 else result["dat"][0] if len(result["dat"]) == 1 else result["dat"]
+        
     def SetAcOptions(self, acOptions, newOptionsToOverride, optionValuesToOverride=None):
         if optionValuesToOverride is not None:
             # Build a list of key-value pairs for a single log line
@@ -511,7 +511,7 @@ async def SyncState(self, acOptions={}):
             except Exception:
                 _LOGGER.debug("Could not determine whether device has an built-in temperature sensor. Retrying at next update()")
             else:
-                if temp_sensor:
+                if temp_sensor is not None:
                     self._has_temp_sensor = True
                     self._acOptions.update({"TemSen": None})
                     self._optionsToFetch.append("TemSen")
@@ -528,7 +528,7 @@ async def SyncState(self, acOptions={}):
             except Exception:
                 _LOGGER.debug("Could not determine whether device has an anti direct blow feature. Retrying at next update()")
             else:
-                if anti_direct_blow:
+                if anti_direct_blow is not None:
                     self._has_anti_direct_blow = True
                     self._acOptions.update({"AntiDirectBlow": None})
                     self._optionsToFetch.append("AntiDirectBlow")
@@ -545,7 +545,7 @@ async def SyncState(self, acOptions={}):
             except Exception:
                 _LOGGER.debug("Could not determine whether device has a built-in light sensor. Retrying at next update()")
             else:
-                if light_sensor:
+                if light_sensor is not None:
                     self._has_light_sensor = True
                     self._acOptions.update({"LigSen": None})
                     self._optionsToFetch.append("LigSen")
@@ -562,7 +562,7 @@ async def SyncState(self, acOptions={}):
             except Exception:
                 _LOGGER.debug("Could not determine whether device has an outside temperature sensor. Retrying at next update()")
             else:
-                if outside_temp_sensor:
+                if outside_temp_sensor is not None:
                     self._has_outside_temp_sensor = True
                     self._acOptions.update({"OutEnvTem": None})
                     self._optionsToFetch.append("OutEnvTem")
@@ -579,7 +579,7 @@ async def SyncState(self, acOptions={}):
             except Exception:
                 _LOGGER.debug("Could not determine whether device has a room humidity sensor. Retrying at next update()")
             else:
-                if humidity_sensor:
+                if humidity_sensor is not None:
                     self._has_room_humidity_sensor = True
                     self._acOptions.update({"DwatSen": None})
                     self._optionsToFetch.append("DwatSen")