空调器有单冷和冷暖两用两种,现在家庭一般都选购冷暖两用型。冷暖两用型又有电热型和热泵型两种,两者各有优缺点。电热型空调器供给屋内的热量,全部由电能转化而来,耗电量大,但制热量不随室内温度下降而下降,且天气越冷,制热量越大;热泵型空调器供暖时的耗电量只有电热型的25％—50％,安全可 Air conditioners have a single cold and warm dual-use two, and now families are generally buy dual-use type. There are two types of electric heating and heat pump and heat-type two, both have their own advantages and disadvantages. Electric air conditioner supply house heat, all from the electrical energy conversion, power consumption, but the heating capacity does not decline with the indoor temperature drop, and the weather is cold, the greater the heat; heat pump air conditioner heating power consumption Only the electric type of 25% -50%, safe