Water pumps for use in motors and HVAC motors, sold as a unit; centrifugal pumps; air condensers; circulating pumps; peristaltic metering pumps; pumps for heating installations; pumps as parts of machines; refrigerant recovery pumps

Thermostats; electrical control devices for heating, ventilation and air conditioning systems

Ductless heat pump systems comprised of heat pumps; central heat pump systems being central heating installations; heat pumps; air conditioners; dual fuel heating system for residential and commercial buildings comprised of boilers, valves for pumps, and heat pipes, and also containing manifolds, control panel switches, and electrical wire, all sold as a unit; ductless air conditioning systems consisting primarily of water chillers, evaporators, heat and hot air exchangers for cleaning and purifying air, and also containing motor and compressor units, control systems for air conditioning units, and automatic temperature regulators for air conditioning systems; ductless mini-split air-conditioning units; central air conditioning installation systems; air exchangers for cleaning and purifying air; furnaces, namely, electric furnaces for industrial buildings, gas furnaces for industrial buildings, electric furnaces for commercial buildings, and gas furnaces for commercial buildings; heating furnaces for industrial purposes; HVAC units being variable refrigerant flow heating and air conditioning units; commercial rooftop air conditioning units; air handling units being computer room air handlers; air conditioning units being computer room air conditioning units; electrically powered heat exchangers not being parts of machines for commercial use, in the nature of fan coil units; water heaters; industrial makeup air units, namely apparatus for replacing lost air; air-handling units; dehumidifiers; hydronic coils for use as parts of an HVAC system; electric heating coils for use as parts of in heating or cooling installations; ventilation fan grilles; heat registers; cooling registers; air distribution diffusers being parts of HVAC systems; high induction air diffusers for ventilation systems; fans for air conditioning units; ventilating fans for industrial, commercial and residential use; ventilating, high-velocity fixed exhaust fans for commercial use; central heating boilers; electric boilers; hot water boilers being gas boilers; heating boilers; hot water boilers; industrial boilers; packaged terminal air conditioners