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ISO 9001:2015 manufacturer of self-contained heating, ventilation and air conditioning products since 1947.
Trade Names
Classic I & II Heat Pumps™ Coil Cop® ComPac I & II Air Conditioners® CommStat 3 controllers™ CommStat 4 Controllers™ CommStat 6 Controllers™ GeoScholar heat pumps™ GreenCube Energy Recovery Ventilatior®