HVAC units for air cooling, namely, air conditioners, split system HVAC units, condensing units being HVAC units, dedicated outdoor air units being air conditioning units, dedicated outdoor air systems comprised of electric and gas heating controls, dedicated outdoor atmospheric environment units in the nature of air cleaning units, and dedicated outdoor atmospheric environment systems comprised of air purification units and air conditioning units; HVAC systems, namely, dedicated outdoor air systems comprised of HVAC units and controls; dedicated outside air systems (DOAS) units comprising electric heating fans and heat pumps; HVAC equipment and accessories, namely, heating and cooling equipment comprising heat recovery ventilators (HRV) systems comprised primarily of heat recovery ventilators, dedicated outdoor air systems (DOAS) comprising heat pumps and controls, cooling equipment comprising split system air conditioners, HVAC condensing units, heat pumps, and rooftop air handlers, all of the foregoing for use in connection with industrial and commercial applications
Environmental Control Apparatus