diff --git a/components/aux_ac/aux_ac.h b/components/aux_ac/aux_ac.h
index 977aa10..eb4168d 100644
--- a/components/aux_ac/aux_ac.h
+++ b/components/aux_ac/aux_ac.h
@@ -9,6 +9,7 @@
 #include <stdarg.h>
 #include "esphome/core/component.h"
 #include "esphome/components/climate/climate.h"
+#include "esphome/components/climate/climate_mode.h"
 #include "esphome/components/uart/uart.h"
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/binary_sensor/binary_sensor.h"