Magnetic Development, Inc. develops technologies for refrigeration, air-conditioning, and alternative energy products. It offers the condensing ejector' technology for industrial and residential chiller/air-conditioning systems, refrigeration plants and refrigerator appliances, heat pumps, gas liquefaction plants, cryogenic systems, and automobile ACs. The company also provides systems and installations for solar hot water, solar space heating, and solar swimming pool heating units; mobile solar heater for various applications, such as swimming pools, hot tubs, animal and fish farms, and rural hot water needs; and geothermal heat pumps. In addition, it offers a range of electromagnetic test equipment and services, including ferromagnetic heat exchanger tubing, as well as inspection of wire ropes. The company was founded in 1984 and is based in Madison, Connecticut.