Classification Information
Heating, cooling, refrigerating, ventilation and energy recovery equipment, namely, ventilation fans for residential, commercial and industrial use; heating, ventilating and air conditioning products; sound silencers sold as an integral component of fan and air blower assemblies and heating, cooling, refrigerating, ventilating, air quality and energy recovery equipment; inlet cones for the flow of air for use in fan and air blower assemblies; dampers, namely, control devices used in air ducts to regulate the flow of air; exhaust systems, namely, ventilation exhaust fans, and air blowers
Environmental Control Apparatus