air handling systems, namely, electric air blowers and electric air blower enclosures; dehumidifiers; humidifiers; air conditioners; heat pumps; packaged HVAC systems, namely, rooftop mountable single-enclosure heating, ventilation, and air conditioning units and on ground free standing single-enclosure heating, ventilation, and air conditioning units; split HVAC systems, namely, heating, ventilation, and air conditioning systems having an inside evaporator unit and an outside condenser unit; commercial HVAC systems, namely, heating, ventilation, and air conditioning systems of heavy duty construction and larger volume capacity for commercial building use
Environmental Control Apparatus