diff --git a/source/_integrations/airzone.markdown b/source/_integrations/airzone.markdown
index c725b7a82d5..cc9fcc630de 100644
--- a/source/_integrations/airzone.markdown
+++ b/source/_integrations/airzone.markdown
@@ -38,6 +38,12 @@ ID:
 
 ## Binary Sensors
 
+For each Airzone system (HVAC machine), the following *binary sensors* are created:
+
+| Condition           | Description                        |
+| :------------------ | :--------------------------------- |
+| problems            | System has errors or warnings.     |
+
 For each Airzone zone (Thermostat), the following *binary sensors* are created:
 
 | Condition           | Description                        |