diff --git a/bundles/org.openhab.binding.viessmann/src/main/java/org/openhab/binding/viessmann/internal/ViessmannBindingConstants.java b/bundles/org.openhab.binding.viessmann/src/main/java/org/openhab/binding/viessmann/internal/ViessmannBindingConstants.java
index 0891d056dd..f4db8db401 100644
--- a/bundles/org.openhab.binding.viessmann/src/main/java/org/openhab/binding/viessmann/internal/ViessmannBindingConstants.java
+++ b/bundles/org.openhab.binding.viessmann/src/main/java/org/openhab/binding/viessmann/internal/ViessmannBindingConstants.java
@@ -80,7 +80,8 @@ public class ViessmannBindingConstants {
             entry("bar", Units.BAR.toString()), //
             entry("ampere", Units.AMPERE.toString()), //
             entry("milliAmpere", MetricPrefix.MILLI(Units.AMPERE).toString()), //
-            entry("revolutionsPerSecond", Units.HERTZ.toString()));
+            entry("revolutionsPerSecond", Units.HERTZ.toString()), //
+            entry("kiloJoule", MetricPrefix.KILO(Units.JOULE).toString()));
 
     public static final Map<String, String> SUB_CHANNEL_TYPE_MAP = Map.of( //
             "cubicMeter", "volume", //