11 Heating, ventilation and air conditioning systems and equipment, namely, Liquid Desiccant Dehumidifiers and replacement parts therefor; Heating, ventilation, and air conditioning systems and equipment for commercial and industrial use, namely, Dedicated Outdoor Air Systems (DOAS) comprised of HVAC equipment and installations and replacement parts therefor; Heating, ventilation, and air conditioning systems and equipment for commercial and industrial use, namely, ventilation equipment and installations and replacement parts therefor; Heating, ventilation, and air conditioning systems and equipment for commercial and industrial use, namely, cooling equipment and installations and replacement parts therefor; Heating, ventilation, and air conditioning systems and equipment for industrial use being dehumidification apparatus for industrial purposes, air conditioning apparatus for industrial purposes, heating units for industrial purposes and replacement parts therefor; Interior environment management system for commercial buildings, namely, humidity and temperature control systems being dehumidifiers, coolers, heaters, humidifiers, and ventilators all sold as a unit and replacement parts therefor; Air conditioning units