diff --git a/homeassistant/components/ista_ecotrend/sensor.py b/homeassistant/components/ista_ecotrend/sensor.py
index 7aa1adfe4c9135a6fc5251b8759be595a2a97fa0..779a5d5c55f6ea6e0103f3aedacf0191205faa38 100644
--- a/homeassistant/components/ista_ecotrend/sensor.py
+++ b/homeassistant/components/ista_ecotrend/sensor.py
@@ -71,7 +71,6 @@ SENSOR_DESCRIPTIONS: tuple[IstaSensorEntityDescription, ...] = (
         translation_key=IstaSensorEntity.HEATING,
         suggested_display_precision=0,
         consumption_type=IstaConsumptionType.HEATING,
-        native_unit_of_measurement="units",
         state_class=SensorStateClass.TOTAL,
     ),
     IstaSensorEntityDescription(
diff --git a/homeassistant/components/ista_ecotrend/strings.json b/homeassistant/components/ista_ecotrend/strings.json
index 0757977a8ea456ec702622946cb3f7b82eec6071..e7c37461b19e5554aff69124440653964bf68fa1 100644
--- a/homeassistant/components/ista_ecotrend/strings.json
+++ b/homeassistant/components/ista_ecotrend/strings.json
@@ -38,7 +38,8 @@
   "entity": {
     "sensor": {
       "heating": {
-        "name": "Heating"
+        "name": "Heating",
+        "unit_of_measurement": "units"
       },
       "heating_cost": {
         "name": "Heating cost"