National Air Duct Cleaners Association (NADCA)
The National Air Duct Cleaners Association (NADCA) is a non-profit organization. Regular Members perform air duct cleaning services. Associate Members supply equipment to the industry.
National Capital Chapter
Non-profit trade association composed of, and of service to, elite contractors that make up the heating, ventilation, air conditioning and refrigeration (HVACR)industry in the District of Columbia, Maryland, and Virginia areas.
North Texas Chapter
Professional organization of air conditioning contractors in the greater metroplex area.
Air Diffusion Council (ADC)
Trade association for flexible duct manufacturers and suppliers in North America.
Australian Home Heating Association
Represents the wood and gas heating industry, with information on natural heating, chimneys and combustion fuels.
Cooling Technology Institute
Advocates and promotes the use of environmentally responsible Evaporative Heat Transfer Systems (EHTS) for the benefit of the public.
