diff --git a/docs/USAGE.md b/docs/USAGE.md
index 345e53e0..077fec6a 100644
--- a/docs/USAGE.md
+++ b/docs/USAGE.md
@@ -24,7 +24,7 @@ If you have any issues, questions or an idea for additional features, please tak
 ## Latest Changes
 
 ::: tip State of this document
-This documentation refers to release [v3.8.0](https://github.com/openhab/openhab-google-assistant/releases/tag/v3.8.0) of [openHAB Google Assistant](https://github.com/openhab/openhab-google-assistant) published on 2023-11-03
+This documentation refers to release [v3.8.1](https://github.com/openhab/openhab-google-assistant/releases/tag/v3.8.1) of [openHAB Google Assistant](https://github.com/openhab/openhab-google-assistant) published on 2023-11-26
 :::
 
 ### v3.8.0
diff --git a/functions/devices/charger.js b/functions/devices/charger.js
index 95c481d4..9db3480a 100644
--- a/functions/devices/charger.js
+++ b/functions/devices/charger.js
@@ -40,7 +40,7 @@ class Charger extends DefaultDevice {
           state.isPluggedIn = members[member].state === 'ON';
           break;
         case 'chargerCapacityRemaining': {
-          const capacity = Math.round(Number(members[member].state));
+          const capacity = Math.round(parseFloat(members[member].state));
           if (!config.unit || config.unit === 'PERCENTAGE') {
             let descCapacity = 'UNKNOWN';
             if (capacity <= 10) {
@@ -68,7 +68,7 @@ class Charger extends DefaultDevice {
           state.capacityUntilFull = [
             {
               unit: config.unit || 'PERCENTAGE',
-              rawValue: Math.round(Number(members[member].state))
+              rawValue: Math.round(parseFloat(members[member].state))
             }
           ];
           break;
diff --git a/functions/devices/climatesensor.js b/functions/devices/climatesensor.js
index 314c7d82..81f6acef 100644
--- a/functions/devices/climatesensor.js
+++ b/functions/devices/climatesensor.js
@@ -71,7 +71,7 @@ class ClimateSensor extends DefaultDevice {
       state.temperatureSetpointCelsius = temperature;
     }
     if ('humidityAmbient' in members) {
-      const humidity = Math.round(Number(members.humidityAmbient.state));
+      const humidity = Math.round(parseFloat(members.humidityAmbient.state));
       state.humidityAmbientPercent = humidity;
       state.humiditySetpointPercent = humidity;
     }
diff --git a/functions/devices/dimmablelight.js b/functions/devices/dimmablelight.js
index 6ef330e5..105bbb75 100644
--- a/functions/devices/dimmablelight.js
+++ b/functions/devices/dimmablelight.js
@@ -14,7 +14,7 @@ class DimmableLight extends DefaultDevice {
   }
 
   static getState(item) {
-    const brightness = Math.round(Number(item.state)) || 0;
+    const brightness = Math.round(parseFloat(item.state)) || 0;
     return {
       on: brightness > 0,
       brightness: brightness
diff --git a/functions/devices/fan.js b/functions/devices/fan.js
index f7da1385..6e6a4161 100644
--- a/functions/devices/fan.js
+++ b/functions/devices/fan.js
@@ -119,29 +119,30 @@ class Fan extends DefaultDevice {
     const config = this.getConfig(item);
     const itemType = item.groupType || item.type;
     if (itemType !== 'Group') {
+      const itemState = Math.round(parseFloat(item.state));
       const state = {
-        currentFanSpeedPercent: Math.round(Number(item.state)),
-        on: Number(item.state) > 0
+        currentFanSpeedPercent: itemState,
+        on: itemState > 0
       };
       if (config.fanSpeeds) {
-        state.currentFanSpeedSetting = item.state.toString();
+        state.currentFanSpeedSetting = itemState.toString();
       }
       return state;
     } else {
       const state = {};
       const config = this.getConfig(item);
       const members = this.getMembers(item);
-      if ('fanPower' in members) {
-        state.on = members.fanPower.state === 'ON';
-      } else if ('fanSpeed' in members) {
-        state.on = Number(members.fanSpeed.state) > 0;
-      }
       if ('fanSpeed' in members) {
-        state.currentFanSpeedPercent = Number(members.fanSpeed.state);
+        const itemState = Math.round(parseFloat(members.fanSpeed.state));
+        state.on = itemState > 0;
+        state.currentFanSpeedPercent = itemState;
         if (config.fanSpeeds) {
-          state.currentFanSpeedSetting = members.fanSpeed.state.toString();
+          state.currentFanSpeedSetting = itemState.toString();
         }
       }
+      if ('fanPower' in members) {
+        state.on = members.fanPower.state === 'ON';
+      }
       if ('fanMode' in members && config.fanModeName && config.fanModeSettings) {
         const modeNames = config.fanModeName.split(',').map((s) => s.trim());
         state.currentModeSettings = {
@@ -152,7 +153,7 @@ class Fan extends DefaultDevice {
       if ('fanFilterLifeTime' in members || 'fanPM25' in members) {
         state.currentSensorStateData = [];
         if ('fanFilterLifeTime' in members) {
-          const itemState = Number(members.fanFilterLifeTime.state);
+          const itemState = parseFloat(members.fanFilterLifeTime.state);
           state.currentSensorStateData.push({
             name: 'FilterLifeTime',
             currentSensorState: this.translateFilterLifeTime(itemState),
@@ -162,7 +163,7 @@ class Fan extends DefaultDevice {
         if ('fanPM25' in members) {
           state.currentSensorStateData.push({
             name: 'PM2.5',
-            rawValue: Number(members.fanPM25.state)
+            rawValue: parseFloat(members.fanPM25.state)
           });
         }
       }
diff --git a/functions/devices/humiditysensor.js b/functions/devices/humiditysensor.js
index 399e0035..b9df74b1 100644
--- a/functions/devices/humiditysensor.js
+++ b/functions/devices/humiditysensor.js
@@ -24,7 +24,7 @@ class HumiditySensor extends DefaultDevice {
   }
 
   static getState(item) {
-    const state = Math.round(Number(item.state));
+    const state = Math.round(parseFloat(item.state));
     return {
       humidityAmbientPercent: state,
       humiditySetpointPercent: state
diff --git a/functions/devices/openclosedevice.js b/functions/devices/openclosedevice.js
index c7f3c5cd..a92c64be 100644
--- a/functions/devices/openclosedevice.js
+++ b/functions/devices/openclosedevice.js
@@ -30,7 +30,7 @@ class OpenCloseDevice extends DefaultDevice {
     let state = 0;
     const itemType = item.groupType || item.type;
     if (itemType === 'Rollershutter') {
-      state = Number(item.state);
+      state = Math.round(parseFloat(item.state));
     } else {
       state = item.state === 'ON' || item.state === 'OPEN' ? 0 : 100;
     }
diff --git a/functions/devices/sensor.js b/functions/devices/sensor.js
index 77435f5d..fac8b6bc 100644
--- a/functions/devices/sensor.js
+++ b/functions/devices/sensor.js
@@ -36,15 +36,17 @@ class Sensor extends DefaultDevice {
 
   static getState(item) {
     const config = this.getConfig(item);
-    return {
+    const state = {
       currentSensorStateData: [
         {
           name: config.sensorName,
-          currentSensorState: this.translateStateToGoogle(item),
-          rawValue: Number(item.state) || 0
+          currentSensorState: this.translateStateToGoogle(item)
         }
       ]
     };
+    const rawValue = parseFloat(item.state);
+    if (!isNaN(rawValue)) state.currentSensorStateData[0].rawValue = rawValue;
+    return state;
   }
 
   static translateStateToGoogle(item) {
@@ -53,7 +55,7 @@ class Sensor extends DefaultDevice {
       const states = config.states.split(',').map((s) => s.trim());
       for (const state of states) {
         const [key, value] = state.split('=').map((s) => s.trim());
-        if (value === item.state) {
+        if (value === item.state || value === parseFloat(item.state).toFixed(0)) {
           return key;
         }
       }
diff --git a/functions/devices/speaker.js b/functions/devices/speaker.js
index 1688b6dd..b0b587ff 100644
--- a/functions/devices/speaker.js
+++ b/functions/devices/speaker.js
@@ -33,7 +33,7 @@ class Speaker extends DefaultDevice {
 
   static getState(item) {
     return {
-      currentVolume: Math.round(Number(item.state)) || 0
+      currentVolume: Math.round(parseFloat(item.state)) || 0
     };
   }
 }
diff --git a/functions/devices/specialcolorlight.js b/functions/devices/specialcolorlight.js
index c8f5c6cf..17535201 100644
--- a/functions/devices/specialcolorlight.js
+++ b/functions/devices/specialcolorlight.js
@@ -72,7 +72,7 @@ class SpecialColorLight extends DefaultDevice {
           state.on = members[member].state === 'ON';
           break;
         case 'lightBrightness':
-          state.brightness = Math.round(Number(members[member].state)) || 0;
+          state.brightness = Math.round(parseFloat(members[member].state)) || 0;
           if (!('lightPower' in members)) {
             state.on = state.brightness > 0;
           }
@@ -101,15 +101,15 @@ class SpecialColorLight extends DefaultDevice {
             const colorUnit = this.getColorUnit(item);
             if (colorUnit === 'kelvin') {
               state.color = {
-                temperatureK: Math.round(Number(members[member].state))
+                temperatureK: Math.round(parseFloat(members[member].state))
               };
             } else if (colorUnit === 'mired') {
               state.color = {
-                temperatureK: convertMired(Math.round(Number(members[member].state)))
+                temperatureK: convertMired(Math.round(parseFloat(members[member].state)))
               };
             } else {
               const { temperatureMinK, temperatureMaxK } = this.getAttributes(item).colorTemperatureRange;
-              let percent = Number(members[member].state);
+              let percent = parseFloat(members[member].state);
               if (this.getColorTemperatureInverted(item)) {
                 percent = 100 - percent;
               }
diff --git a/functions/devices/tv.js b/functions/devices/tv.js
index 330921af..5bd112b6 100644
--- a/functions/devices/tv.js
+++ b/functions/devices/tv.js
@@ -118,7 +118,7 @@ class TV extends DefaultDevice {
           state.playbackState = members[member].state;
           break;
         case 'tvVolume':
-          state.currentVolume = Math.round(Number(members[member].state)) || 0;
+          state.currentVolume = Math.round(parseFloat(members[member].state)) || 0;
           break;
         case 'tvChannel':
           state.channelNumber = members[member].state;
diff --git a/functions/package.json b/functions/package.json
index 7b072d0a..b9bfddb2 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openhab.google-assistant-smarthome.cloud-function",
-  "version": "3.8.0",
+  "version": "3.8.1",
   "description": "A Google Assistant, Actions on Google based implementation for openHAB",
   "repository": {
     "type": "git",
diff --git a/package.json b/package.json
index d1f85e50..3da4d6f9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openhab.google-assistant-smarthome",
-  "version": "3.8.0",
+  "version": "3.8.1",
   "description": "A Google Assistant, Actions on Google based implementation for openHAB",
   "main": "functions/index.js",
   "repository": {
diff --git a/tests/devices/charger.test.js b/tests/devices/charger.test.js
index a9536b5b..bbfeb1bb 100644
--- a/tests/devices/charger.test.js
+++ b/tests/devices/charger.test.js
@@ -335,7 +335,7 @@ describe('Charger Device', () => {
           },
           {
             name: 'CapacityRemaining',
-            state: '4000.123',
+            state: '4000.123 wh',
             type: 'Number',
             metadata: {
               ga: {
diff --git a/tests/devices/climatesensor.test.js b/tests/devices/climatesensor.test.js
index f4243642..06d2e3b7 100644
--- a/tests/devices/climatesensor.test.js
+++ b/tests/devices/climatesensor.test.js
@@ -161,7 +161,7 @@ describe('ClimateSensor Device', () => {
         },
         {
           name: 'Humidity',
-          state: '59.7',
+          state: '59.7 %',
           type: 'Number',
           metadata: {
             ga: {
@@ -208,7 +208,7 @@ describe('ClimateSensor Device', () => {
       members: [
         {
           name: 'Humidity',
-          state: '30.3',
+          state: '30.3 %',
           type: 'Number',
           metadata: {
             ga: {
diff --git a/tests/devices/dimmablelight.test.js b/tests/devices/dimmablelight.test.js
index 2bd34477..37ab65cf 100644
--- a/tests/devices/dimmablelight.test.js
+++ b/tests/devices/dimmablelight.test.js
@@ -21,7 +21,7 @@ describe('DimmableLight Device', () => {
   });
 
   test('getState', () => {
-    expect(Device.getState({ state: '50' })).toStrictEqual({
+    expect(Device.getState({ state: '50 %' })).toStrictEqual({
       on: true,
       brightness: 50
     });
diff --git a/tests/devices/fan.test.js b/tests/devices/fan.test.js
index 2e556394..ef346112 100644
--- a/tests/devices/fan.test.js
+++ b/tests/devices/fan.test.js
@@ -377,7 +377,7 @@ describe('Fan Device', () => {
                 value: 'fanSpeed'
               }
             },
-            state: '50'
+            state: '50 %'
           }
         ]
       };
@@ -437,7 +437,7 @@ describe('Fan Device', () => {
                 value: 'fanFilterLifeTime'
               }
             },
-            state: '70'
+            state: '70 h'
           }
         ]
       };
@@ -469,7 +469,7 @@ describe('Fan Device', () => {
                 value: 'fanPM25'
               }
             },
-            state: '20'
+            state: '20 ppm'
           }
         ]
       };
diff --git a/tests/devices/humiditysensor.test.js b/tests/devices/humiditysensor.test.js
index 8684faac..b6311f48 100644
--- a/tests/devices/humiditysensor.test.js
+++ b/tests/devices/humiditysensor.test.js
@@ -30,7 +30,7 @@ describe('HumiditySensor Device', () => {
   });
 
   test('getState', () => {
-    expect(Device.getState({ state: '10.3' })).toStrictEqual({
+    expect(Device.getState({ state: '9.6 %' })).toStrictEqual({
       humidityAmbientPercent: 10,
       humiditySetpointPercent: 10
     });
diff --git a/tests/devices/openclosedevice.test.js b/tests/devices/openclosedevice.test.js
index 322b8143..ae5dbe43 100644
--- a/tests/devices/openclosedevice.test.js
+++ b/tests/devices/openclosedevice.test.js
@@ -84,7 +84,7 @@ describe('OpenCloseDevice Device', () => {
     test('getState Rollershutter', () => {
       const item = {
         type: 'Rollershutter',
-        state: '25'
+        state: '25 %'
       };
       expect(Device.getState(item)).toStrictEqual({
         openPercent: 75
diff --git a/tests/devices/sensor.test.js b/tests/devices/sensor.test.js
index 68b8f633..2a7a17c3 100644
--- a/tests/devices/sensor.test.js
+++ b/tests/devices/sensor.test.js
@@ -97,7 +97,7 @@ describe('Sensor Device', () => {
             }
           }
         },
-        state: '10'
+        state: '10 ppm'
       };
       expect(Device.getState(item)).toStrictEqual({
         currentSensorStateData: [
@@ -110,6 +110,29 @@ describe('Sensor Device', () => {
       });
     });
 
+    test('getState with string state', () => {
+      const item = {
+        metadata: {
+          ga: {
+            config: {
+              sensorName: 'Sensor',
+              valueUnit: 'AQI',
+              states: 'good=good,moderate=moderate,poor=poor'
+            }
+          }
+        },
+        state: 'moderate'
+      };
+      expect(Device.getState(item)).toStrictEqual({
+        currentSensorStateData: [
+          {
+            currentSensorState: 'moderate',
+            name: 'Sensor'
+          }
+        ]
+      });
+    });
+
     test('getState no matching state', () => {
       const item = {
         metadata: {
diff --git a/tests/devices/speaker.test.js b/tests/devices/speaker.test.js
index 639e0649..f7535cb1 100644
--- a/tests/devices/speaker.test.js
+++ b/tests/devices/speaker.test.js
@@ -57,7 +57,7 @@ describe('Speaker Device', () => {
   });
 
   test('getState', () => {
-    expect(Device.getState({ state: '10' })).toStrictEqual({
+    expect(Device.getState({ state: '10 %' })).toStrictEqual({
       currentVolume: 10
     });
     expect(Device.getState({ state: '90' })).toStrictEqual({
diff --git a/tests/devices/specialcolorlight.test.js b/tests/devices/specialcolorlight.test.js
index 4afcb344..2fab6fde 100644
--- a/tests/devices/specialcolorlight.test.js
+++ b/tests/devices/specialcolorlight.test.js
@@ -505,7 +505,7 @@ describe('SpecialColorLight Device', () => {
         },
         members: [
           {
-            state: '0',
+            state: '0 %',
             type: 'Number',
             metadata: {
               ga: {
@@ -514,7 +514,7 @@ describe('SpecialColorLight Device', () => {
             }
           },
           {
-            state: '20',
+            state: '20 K',
             type: 'Number',
             metadata: {
               ga: {
diff --git a/tests/devices/tv.test.js b/tests/devices/tv.test.js
index 67c9318c..e51e8bf6 100644
--- a/tests/devices/tv.test.js
+++ b/tests/devices/tv.test.js
@@ -556,7 +556,7 @@ describe('TV Device', () => {
             }
           },
           {
-            state: '50',
+            state: '50 %',
             type: 'Dimmer',
             metadata: {
               ga: {