diff --git a/homeassistant/components/comelit/climate.py b/homeassistant/components/comelit/climate.py
index 505c2b6b8e8..8064d478c32 100644
--- a/homeassistant/components/comelit/climate.py
+++ b/homeassistant/components/comelit/climate.py
@@ -21,6 +21,7 @@ from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
+from .const import DOMAIN
 from .coordinator import ComelitConfigEntry, ComelitSerialBridge
 
 # Coordinator is used to centralize the data updates
@@ -124,7 +125,9 @@ class ComelitClimateEntity(CoordinatorEntity[ComelitSerialBridge], ClimateEntity
         """Handle updated data from the coordinator."""
         device = self.coordinator.data[CLIMATE][self._device.index]
         if not isinstance(device.val, list):
-            raise HomeAssistantError("Invalid clima data")
+            raise HomeAssistantError(
+                translation_domain=DOMAIN, translation_key="invalid_clima_data"
+            )
 
         # CLIMATE has a 2 item tuple:
         # - first  for Clima
diff --git a/homeassistant/components/comelit/humidifier.py b/homeassistant/components/comelit/humidifier.py
index b28a9bf0036..c5edfb1c2de 100644
--- a/homeassistant/components/comelit/humidifier.py
+++ b/homeassistant/components/comelit/humidifier.py
@@ -130,7 +130,9 @@ class ComelitHumidifierEntity(CoordinatorEntity[ComelitSerialBridge], Humidifier
         """Handle updated data from the coordinator."""
         device = self.coordinator.data[CLIMATE][self._device.index]
         if not isinstance(device.val, list):
-            raise HomeAssistantError("Invalid clima data")
+            raise HomeAssistantError(
+                translation_domain=DOMAIN, translation_key="invalid_clima_data"
+            )
 
         # CLIMATE has a 2 item tuple:
         # - first  for Clima
diff --git a/homeassistant/components/comelit/strings.json b/homeassistant/components/comelit/strings.json
index 14d947c7323..5ff4fa54688 100644
--- a/homeassistant/components/comelit/strings.json
+++ b/homeassistant/components/comelit/strings.json
@@ -58,6 +58,9 @@
   "exceptions": {
     "humidity_while_off": {
       "message": "Cannot change humidity while off"
+    },
+    "invalid_clima_data": {
+      "message": "Invalid 'clima' data"
     }
   }
 }