Pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; thermostats; climate control digital thermostats; climate control systems consisting of digital thermostats, sensors, air conditioning, heating, ventilation and drying control devices; pressure switches as parts of machines

HVAC units including all parts and fittings therefore; air conditioners and chillers including portable air conditioners for residential and commercial use, window air conditions, chillers, and packaged terminal air conditioner units; Heaters, namely, electric portable heaters, infrared heaters, mounted forced air heaters, and salamander heaters; air control apparatus, namely, air door and/or air curtain for use at doorways and/or drive throughs of refrigerated, air conditioned or heated rooms and/or buildings; air curtains; heat capable air curtains; mini splits; industrial fans; ventilating fans for commercial and industrial use; industrial electric oscillating fans for automatic cleaning of ceilings, light fixtures, ducts and other overhead structures exposed to airborne contaminants; industrial fans for cooling; industrial fans for moving air; industrial blowers; industrial ceiling fans; industrial exhaust fans; evaporative coolers; air purifiers including all parts and fittings therefore; industrial air purifiers including all parts and fittings therefore; HEPA filters for industrial and commercial use; filters for air purifiers; filters for air conditioning; air filters for industrial installations; air filters for HVAC units; air filters; ionization apparatus for the treatment of air; foggers, namely, power-operated apparatus for fogging rooms with disinfectants; heating equipment including all parts and fittings therefore; air diffusers being part of industrial installations; heating equipment; cooling equipment; indoor air quality systems; mini-splits; ductless mini-splits; heat pumps; furnaces including all parts and fittings therefore; industrial furnaces including all parts and fittings therefore; air handlers; air handling units.

Ducts; ventilating ducts; heating ducts; HVAC ducts; air conditioning ducts; vent cover for HVAC ducts; ducts for central heating installations; ducts for ventilating and air-conditioning installations; connectors and adaptors for ducts; accessories and replacements parts for ducts.