We specialize in portable, supplemental air-conditioning units under the brand name of the "Extra Cooler." These units are self-contained and manufactured for durability. They are highly flexible for multiple environments, including offices, warehouses, telephone/computer-rooms, off-shore and other marine-use applications. Spot Cooling Systems, Inc. has supplied this type of supplemental air conditioning equipment since 1984 and we currently serve a national client base in the U.S. from offices in Dallas and Houston. We can provide units as small as # ton units (9,500 BTUs) to the #industrial-strength# 30-ton, trailer-mounted unit (360,000 BTUs). The purchase of a new unit comes standard with a one-year full parts and labor warranty and a five-year compressor and refrigeration system warranty. Extended five-year warranties are also available. The American-made Extra Cooler is durable and reliable in even hostile temperatures of up to 115 degrees and for indoor or outdoor use. It#s the best spot cooling equipment on the market. Thanks,Glen Hyden