Cominter produces a wide range of products which can be divided into: HEAT EXCHANGER COILS : addressed to the heating, conditioning, refrigeration and heat recovery, both civil than industrial area. HEAT RECUPERATORS AIR-AIR (RCP): equipments which allow the heat transfer from the two air flows at different temperatures. FREON RECUPERATOR (RCD): they consist in an exchanger coil divided into two sections, one section crossed from supply air and the other section from the exhaust air.