The present invention relates to a hybrid heat pump apparatus comprising: a housing having a first channel and a second channel formed therein; a dehumidifying rotor disposed in the housing; a heating unit disposed in the first channel and heating air passing therethrough; a cooling unit disposed in the second channel and selectively cooling air passing therethrough; a coolant circulating unit including a compressor, a first heat exchanger disposed in the second channel, a second heat exchanger, and a four-way valve; and a water circulating pipe through which water circulates and which is connected to the second heat exchanger for heat exchanging between the circulating water and coolant in the second heat exchanger.