... 3 power setting Electric water heater,electric fan heater,electrical heater 500w,bathroom fan heater,Heating and Humidifying1. Voltage ... , you can set timer open or close heater, Adjust indoor temperature at any time4 The ... among all the heating products, the price of air-conditioner is really expensive; it takes much power ... , at the same time, it makes the air dry, and takes much power consumption. With ...