... power need air blowing voltage from 12V to 240V Insulated heater for air-conditioner is a new kind of large power ... heater. It is need the wind blowing. The PTC Heater insert in the aluminum tube and ... -conditioner used in the air-conditioner, cold/warm air-conditioner, Fan heater, hand toilet heater, hand dryer, disinecting cabinet, car air-conditioner.