Air duct cleaning services have been available since the early 1900s. By the early 1970s, hundreds of air duct cleaning companies were thriving in America. The problem, however, was that many of these companies were utilizing inferior methods of cleaning. Often, they applied chemicals or dust abatement products over contaminants in air ducts to restrict the movement of these particles and render them "harmless“ to building occupants. However, many such products were not proven safe for use in air handling systems.

In February of 1989, a group of air duct cleaning professionals banded together to help educate the public about the need for properly performed HVAC system cleaning services. They formed the National Air Duct Cleaners Association, Inc. (NADCA), and made it their goal to promote Source Removal methods of HVAC system cleaning.

Today NADCA is represented throughout the United States, and also has a substantial international membership. NADCA's involvement in programs held by the U.S. EPA, American Society of Heating, Refrigeration and Air-conditioning Engineers (ASHRAE), Indoor Air Quality Association (IAQA), and other environmentally conscious public and private sector organizations will help the association continue to be the leading authority in HVAC system cleaning. (Please include NADCA logo at the top of this section)



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