77227793
Jul 12, 2007
Electrical and electronic controls for heating, ventilating, air conditioning and refrigeration equipment
Electrical and Scientific ApparatusAir conditioners and heat pumps; air delivery and air handling units for cooling, heating and ventilating buildings; air cleaners; and, heaters and furnaces
Environmental Control ApparatusInstallation, maintenance and repair of heating, ventilating, air conditioning and refrigeration equipment, systems and controls
Building Construction and Repair