A-A-50502, COMMERCIAL ITEM DESCRIPTION: AIR CONDITIONER, (UNITARY HEAT PUMP), AIR TO AIR (3,000 TO 300,000 BTU) (29 NOV 1990)., SUPERSEDES MIL-H-22547C]

A-A-50502, COMMERCIAL ITEM DESCRIPTION: AIR CONDITIONER, (UNITARY HEAT PUMP), AIR TO AIR (3,000 TO 300,000 BTU) (29 NOV 1990)., SUPERSEDES MIL-H-22547C]., This Commercial Item Description (CID) covers air-to-air heat pumps for use as residential, commercial, or industrial units, and are designed to perform the functions of either heating or cooling, circulating, filtering, cleaning, and dehumidifying an air stream.