11 HVAC equipment and accessories, namely, cooling equipment comprising air conditioners, condensing units, dedicated outdoor air units, dedicated outdoor air systems, heat pumps, packaged rooftop units, rooftop air handlers; dehumidification equipment comprising dehumidifiers; HVAC units; infrared heaters, namely, tube heaters, unitary tube heaters, radiant heaters and stick heaters; unit heaters; cabinet heaters; air turnover units; air handling units; hygienic air handling units; split air systems comprising condensing units; energy recovery units and modules; air finishing systems and equipment, namely, industrial process and finishing equipment comprising batch ovens, pre-treatment washers, dry off ovens, cure ovens; finishing systems comprising direct-fired air handlers, direct-fired make-up air handlers, make up air heaters, air handling units, heater, air conditioner, ventilator, humidifier and combinations thereof to create, when desired, at least two interior environments in a defined space