Patent ID: 7487823

Claim:
A heating and cooling system which is equipped with a first receiving chamber for receiving a material to be heated and a second receiving chamber for receiving a material to be cooled, the system comprising: a refrigerant circuit in which a compressor, a gas cooler, pressure reducing means, and an evaporator are circularly connected by pipes and in which carbon dioxide is as a refrigerant; a duct disposed in such a manner as to exchange heat, by means of radiation, with the inside of the first receiving chamber; first blowing means for blowing air which has exchanged the heat with the gas cooler into the duct, the duct being in communication with the gas cooler; and second blowing means for blowing air which has exchanged the heat with the evaporator into the second receiving chamber, the evaporator being in communication with the second receiving chamber, wherein the compressor, the gas cooler, the pressure reducing means and the pipes are disposed outside of the first receiving chamber.