Ventilator and air conditioner having the same

摘要

A ventilator (50) havinganairsupplyfan (55) for supplying outdoor air into a room, an air exhaust fan (63) for exhausting indoor air to the outside of the room, and a total heat-exchanging element (53) for heat-exchanging the outdoor air and the indoor air, characterized by comprising a control unit (45) for controlling the supply amount of the outdoor air supplied by the air supply fan (55) so that the total heat-exchanging element (53) is heated by heat of the indoor air exhausted by the air exhaust fan (63) when the temperature of the outdoor air is equal to a predetermined temperature or less, thereby preventing the total heat-exchanging element (53) from being frozen. An air conditioner having the ventilator (5).