water cooling towers and systems; evaporative condensers and fluid coolers; fans; indirect evaporative air coolers and direct evaporative air coolers; heat exchangers; air conditioners, including dual cycle air conditioners, which combine indirect or direct evaporative air coolers with dehumidification systems, and high volume air conditioners (HVAC), which include drying systems incorporating any of the aforementioned systems and products; and parts and accessories therefor; except heating a...