A refrigeration cycle device, comprising: a compressor configured to compress a refrigerant; an outdoor air heat exchanger configured to exchange heat between the refrigerant and outside air located outside a target space; an indoor air heat exchanger configured to exchange heat between the refrigerant and inside air located inside the target space; a water heat exchanger configured to exchange heat between the refrigerant and water; a four-way valve located between an indoor port on the indoor air heat exchanger, an outdoor port on the outdoor air heat exchanger, an input port on the compressor, and an output port on the compressor; a bypass refrigerant line connecting the indoor port to the outdoor port; and a controllable valve located on the bypass refrigerant line, the controllable valve being configured to have an open state that passes the refrigerant and a closed state that prohibits passage of the refrigerant.