diff --git a/README.md b/README.md
index 09274b2..1e3a5d6 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ one has the time to go through the source.
 
 ### Air-to-air heat pump properties
 * `room_temperature`
+* `outdoor_temperature`
 * `target_temperature`
 * `target_temperature_step`
 * `target_temperature_min`
diff --git a/src/pymelcloud/ata_device.py b/src/pymelcloud/ata_device.py
index b727048..cf28fc0 100644
--- a/src/pymelcloud/ata_device.py
+++ b/src/pymelcloud/ata_device.py
@@ -207,6 +207,23 @@ def room_temperature(self) -> Optional[float]:
             return None
         return self._state.get("RoomTemperature")
 
+    @property
+    def has_outdoor_temperature(self) -> bool:
+        """Return True if the device has an outdoor temperature sensor."""
+        if self._device_conf.get("HideOutdoorTemperature", False):
+            return False
+        return self._device_conf.get("Device", {}).get("HasOutdoorTemperature", False):
+
+    @property
+    def outdoor_temperature(self) -> Optional[float]:
+        """Return outdoor temperature reported by the device."""
+        if self._device_conf.get("HideOutdoorTemperature", False):
+            return None
+        device = self._device_conf.get("Device", {})
+        if not device.get("HasOutdoorTemperature", False):
+            return None
+        return device.get("OutdoorTemperature")
+
     @property
     def target_temperature(self) -> Optional[float]:
         """Return target temperature set for the device."""