diff --git a/tasmota/tasmota_xdrv_driver/xdrv_44_miel_hvac.ino b/tasmota/tasmota_xdrv_driver/xdrv_44_miel_hvac.ino
index a51166ae6..6579b27b7 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_44_miel_hvac.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_44_miel_hvac.ino
@@ -161,8 +161,12 @@ struct miel_hvac_msg_update {
 #define MIEL_HVAC_UPDATE_MODE_FAN	0x07
 #define MIEL_HVAC_UPDATE_MODE_AUTO	0x08
 	uint8_t			temp;
-#define MIEL_HVAC_UPDATE_TEMP_MIN	16
+#ifndef MIEL_HVAC_UPDATE_TEMP_MIN
+#define MIEL_HVAC_UPDATE_TEMP_MIN	10
+#endif
+#ifndef MIEL_HVAC_UPDATE_TEMP_MAX
 #define MIEL_HVAC_UPDATE_TEMP_MAX	31
+#endif
 	uint8_t			fan;
 #define MIEL_HVAC_UPDATE_FAN_AUTO	0x00
 #define MIEL_HVAC_UPDATE_FAN_QUIET	0x01