11 Ventilation and air conditioning systems and equipment, namely, Liquid Desiccant Dehumidifiers and replacement parts therefor; 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; Ventilation and air conditioning systems and equipment for commercial and industrial use, namely, ventilation equipment and installations and replacement parts therefor; Ventilation and air conditioning systems and equipment for commercial and industrial use, namely, cooling equipment and installations and replacement parts therefor; 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