<；P>；PROBLEM TO BE SOLVED: To provide an air conditioner for greenhouses, effectively performing temperature control and humidity control of air in a greenhouse with an easy structure. <；P>；SOLUTION: This air conditioner for greenhouses is such that a cooling heat exchanger 37 is set in a cooling angle duct 27 of an air-conditioning inlet port 21, a heating heat exchanger 39 is set in a heating angle duct 29 of the heating air-conditioning inlet port 21, an air circulating fan 43 is arranged in the heating angle duct 29 on a side of an outlet port 41 of the heating heat exchanger 39, a drain hole 47 is made in a bottom 45 of the cooling angle duct 27, and the drain hole 47 is communicated with a drain groove 49 set in the ground 7. <；P>；COPYRIGHT: (C)2010,JPO&INPIT
