diff --git a/README.md b/README.md
index cd8d018..1ef6dd2 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Luxtronik
 
 [![Validate with hassfest](https://github.com/Bouni/luxtronik/actions/workflows/hassfest.yml/badge.svg)](https://github.com/Bouni/luxtronik/actions/workflows/hassfest.yml)
-[![Validate with HACS action](https://github.com/Bouni/luxtronik/actions/workflows/main.yml/badge.svg)](https://github.com/Bouni/luxtronik/actions/workflows/hacs.yml)
+[![HACS Action](https://github.com/Bouni/luxtronik/actions/workflows/hacs.yaml/badge.svg)](https://github.com/Bouni/luxtronik/actions/workflows/hacs.yaml)
 [![hacs_badge](https://img.shields.io/badge/HACS-Default-41BDF5.svg)](https://github.com/hacs/integration)
 
 <a href="https://ko-fi.com/I3I364QTM" target="_blank"><img src="https://ko-fi.com/img/githubbutton_sm.svg" height="30px"/></a> <a href="https://www.buymeacoffee.com/bouni" target="_blank"><img src="https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png" height="30px"/></a> <a href="https://github.com/sponsors/Bouni" target="_blank"><img src="https://img.shields.io/badge/-Github Sponsor-fafbfc?style=flat&logo=GitHub%20Sponsors" height="30px"/></a>
diff --git a/custom_components/luxtronik/const.py b/custom_components/luxtronik/const.py
index 0bdc6a2..7853908 100644
--- a/custom_components/luxtronik/const.py
+++ b/custom_components/luxtronik/const.py
@@ -1,15 +1,16 @@
 """Constants for the Luxtronik integration."""
+
 from homeassistant.const import (
-    DEVICE_CLASS_TEMPERATURE,
-    DEVICE_CLASS_PRESSURE,
-    DEVICE_CLASS_TIMESTAMP,
-    DEVICE_CLASS_ENERGY,
-    DEVICE_CLASS_POWER,
-    DEVICE_CLASS_FREQUENCY,
-    ENERGY_KILO_WATT_HOUR,
-    PRESSURE_BAR,
-    TEMP_CELSIUS,
+    UnitOfTemperature,
+    UnitOfTime, 
+    UnitOfPressure,
+    UnitOfEnergy,
+    UnitOfElectricPotential,
+    UnitOfPower,
+    UnitOfFrequency,
+    PERCENTAGE
 )
+from homeassistant.components.sensor import SensorDeviceClass
 
 ATTR_PARAMETER = "parameter"
 ATTR_VALUE = "value"
@@ -21,6 +22,7 @@
 CONF_PARAMETERS = "parameters"
 CONF_CALCULATIONS = "calculations"
 CONF_VISIBILITIES = "visibilities"
+
 CONF_CELSIUS = "celsius"
 CONF_SECONDS = "seconds"
 CONF_TIMESTAMP = "timestamp"
@@ -33,6 +35,7 @@
 CONF_FLOW = "flow"
 CONF_WATT = "W"
 CONF_FREQUENCY = "Hz"
+
 CONF_LOCK_TIMEOUT = "lock_timeout"
 CONF_UPDATE_IMMEDIATELY_AFTER_WRITE = "update_immediately_after_write"
 
@@ -59,27 +62,27 @@
 }
 
 DEVICE_CLASSES = {
-    CONF_CELSIUS: DEVICE_CLASS_TEMPERATURE,
-    CONF_KELVIN: DEVICE_CLASS_TEMPERATURE,
-    CONF_BAR: DEVICE_CLASS_PRESSURE,
-    CONF_SECONDS: DEVICE_CLASS_TIMESTAMP,
-    CONF_HOURS: DEVICE_CLASS_TIMESTAMP,
-    CONF_TIMESTAMP: DEVICE_CLASS_TIMESTAMP,
-    CONF_ENERGY: DEVICE_CLASS_ENERGY,
-    CONF_WATT: DEVICE_CLASS_POWER,
-    CONF_FREQUENCY: DEVICE_CLASS_FREQUENCY,
+    CONF_CELSIUS: SensorDeviceClass.TEMPERATURE,
+    CONF_KELVIN: SensorDeviceClass.TEMPERATURE,
+    CONF_BAR: SensorDeviceClass.PRESSURE,
+    CONF_SECONDS: SensorDeviceClass.DURATION,
+    CONF_HOURS: SensorDeviceClass.DURATION,
+    CONF_TIMESTAMP: SensorDeviceClass.TIMESTAMP,
+    CONF_ENERGY: SensorDeviceClass.ENERGY,
+    CONF_WATT: SensorDeviceClass.POWER,
+    CONF_FREQUENCY: SensorDeviceClass.FREQUENCY,
 }
 
 UNITS = {
-    CONF_CELSIUS: TEMP_CELSIUS,
-    CONF_SECONDS: "s",
-    CONF_KELVIN: "K",
-    CONF_BAR: PRESSURE_BAR,
-    CONF_PERCENT: "%",
-    CONF_ENERGY: ENERGY_KILO_WATT_HOUR,
-    CONF_VOLTAGE: "V",
-    CONF_HOURS: "h",
+    CONF_CELSIUS: UnitOfTemperature.CELSIUS,
+    CONF_SECONDS: UnitOfTime.SECONDS,
+    CONF_KELVIN: UnitOfTemperature.KELVIN,
+    CONF_BAR: UnitOfPressure.BAR,
+    CONF_PERCENT: PERCENTAGE,
+    CONF_ENERGY: UnitOfEnergy.KILO_WATT_HOUR,
+    CONF_VOLTAGE: UnitOfElectricPotential.VOLT,
+    CONF_HOURS: UnitOfTime.HOURS,
     CONF_FLOW: "l/h",
-    CONF_WATT: "W",
-    CONF_FREQUENCY: "Hz"
+    CONF_WATT: UnitOfPower.WATT,
+    CONF_FREQUENCY: UnitOfFrequency.HERTZ
 }
diff --git a/custom_components/luxtronik/manifest.json b/custom_components/luxtronik/manifest.json
index 1f5a2eb..b92f8d1 100644
--- a/custom_components/luxtronik/manifest.json
+++ b/custom_components/luxtronik/manifest.json
@@ -1,16 +1,11 @@
 {
   "domain": "luxtronik",
   "name": "Luxtronik",
-  "version": "2022.12.01",
-  "iot_class": "local_polling",
+  "codeowners": ["@bouni"],
+  "dependencies": [],
   "documentation": "https://www.home-assistant.io/integrations/luxtronik",
+  "iot_class": "local_polling",
   "issue_tracker": "https://github.com/Bouni/luxtronik/issues",
-  "requirements": [
-    "luxtronik==0.3.14"
-  ],
-  "dependencies": [],
-  "codeowners": [
-    "@bouni"
-  ]
+  "requirements": ["luxtronik==0.3.14"],
+  "version": "2022.12.01"
 }
-
diff --git a/custom_components/luxtronik/services.yaml b/custom_components/luxtronik/services.yaml
index af60f59..25aac41 100644
--- a/custom_components/luxtronik/services.yaml
+++ b/custom_components/luxtronik/services.yaml
@@ -1,9 +1,12 @@
 write:
+  name: luxtronik-write
   description: Write a parameter on the luxtronik heatpump.
   fields:
-    parameter: 
+    parameter:
+      name: parameter
       description: ID of the value to write.
       example: "ID_Ba_Bw_akt"
-    value: 
-      description: Value to write. 
+    value:
+      name: value
+      description: Value to write.
       example: "Automatic"
diff --git a/hacs.json b/hacs.json
index 09c385f..2c73d07 100644
--- a/hacs.json
+++ b/hacs.json
@@ -1,4 +1,5 @@
 {
     "name": "Luxtronik",
-    "render_readme": true
+    "render_readme": true,
+    "homeassistant": "2023.1.0"
 }