diff --git a/src/display.cpp b/src/display.cpp
index a40ed8c..31cfa0f 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -640,7 +640,23 @@ void CUDDisplay::handle_ac_change(uint8_t mode, uint8_t fan_speed, uint8_t tempe
 
 void CUDDisplay::handle_ac_sensor(float temperature, float humidity)
 {
-    // Not needed for now
+    // Is the temperature valid?
+    // A temperature of -999.0 means the sensor is not connected
+    ESP_LOGV("CUD Display", "AC Sensor Temperature: %f", temperature);
+    if (temperature == -999.0)
+    {
+        // If the temperature is not valid, Send NA to the display
+        this->takeSerialMutex();
+        this->displayAdapter->printf("%s.txt=\"NA\"", LCD_DASHBOARD_ELEMENT_NAME_ROOM_TEMPERATURE);
+        this->sendStopBytes();
+        this->giveSerialMutex();
+        return;
+    }
+    // Temperature is valid, send it to the display
+    this->takeSerialMutex();
+    this->displayAdapter->printf("%s.txt=\"%d\"", LCD_DASHBOARD_ELEMENT_NAME_ROOM_TEMPERATURE, (int)temperature);
+    this->sendStopBytes();
+    this->giveSerialMutex();
 }
 
 void CUDDisplay::handle_mqtt_connected()