diff --git a/custom_components/xiaomi_home/climate.py b/custom_components/xiaomi_home/climate.py
index 5259de5..9d872e3 100644
--- a/custom_components/xiaomi_home/climate.py
+++ b/custom_components/xiaomi_home/climate.py
@@ -546,7 +546,7 @@ class AirConditioner(FeatureOnOff, FeatureTargetTemperature,
                                    f'{self.entity_id}')
             return
         # set the device on
-        if self.get_prop_value(prop=self._prop_on) is False:
+        if self.get_prop_value(prop=self._prop_on) is not True:
             await self.set_property_async(prop=self._prop_on,
                                           value=True,
                                           write_ha_state=False)
diff --git a/custom_components/xiaomi_home/miot/specs/spec_add.json b/custom_components/xiaomi_home/miot/specs/spec_add.json
index 8d14aec..2a5bba3 100644
--- a/custom_components/xiaomi_home/miot/specs/spec_add.json
+++ b/custom_components/xiaomi_home/miot/specs/spec_add.json
@@ -1,5 +1,23 @@
 {
   "urn:miot-spec-v2:device:air-conditioner:0000A004:090615-ktf:1": [
+    {
+      "iid": 2,
+      "type": "urn:miot-spec-v2:service:switch:0000780C:090615-ktf:1",
+      "description": "AC Switch",
+      "properties": [
+        {
+          "iid": 1,
+          "type": "urn:miot-spec-v2:property:on:00000006:090615-ktf:1",
+          "description": "Switch Status",
+          "format": "bool",
+          "access": [
+            "read",
+            "write",
+            "notify"
+          ]
+        }
+      ]
+    },
     {
       "iid": 4,
       "type": "urn:miot-spec-v2:service:environment:0000780A:090615-ktf:1",
@@ -24,6 +42,26 @@
       ]
     }
   ],
+  "urn:miot-spec-v2:device:air-conditioner:0000A004:juhl-hvac:1": [
+    {
+      "iid": 2,
+      "type": "urn:miot-spec-v2:service:switch:0000780C:juhl-hvac:1",
+      "description": "AC Switch",
+      "properties": [
+        {
+          "iid": 1,
+          "type": "urn:miot-spec-v2:property:on:00000006:juhl-hvac:1",
+          "description": "Switch Status",
+          "format": "bool",
+          "access": [
+            "read",
+            "write",
+            "notify"
+          ]
+        }
+      ]
+    }
+  ],
   "urn:miot-spec-v2:device:airer:0000A00D:hyd-lyjpro:1": [
     {
       "iid": 3,
diff --git a/custom_components/xiaomi_home/water_heater.py b/custom_components/xiaomi_home/water_heater.py
index e28e8ff..7f8f402 100644
--- a/custom_components/xiaomi_home/water_heater.py
+++ b/custom_components/xiaomi_home/water_heater.py
@@ -168,7 +168,7 @@ class WaterHeater(MIoTServiceEntity, WaterHeaterEntity):
         if operation_mode == STATE_ON:
             await self.set_property_async(prop=self._prop_on, value=True)
             return
-        if self.get_prop_value(prop=self._prop_on) is False:
+        if self.get_prop_value(prop=self._prop_on) is not True:
             await self.set_property_async(prop=self._prop_on,
                                           value=True,
                                           write_ha_state=False)