Membership Overview
Membership in NADCA is growing. NADCA has over 1,000 companies and the number is steadily increasing. NADCA membership and certification are nationally recognized, are often specified in commercial bids, and are increasingly asked for by consumers.

Other benefits of NADCA membership include: company listing on NADCA’s Web site as a qualified HVAC system cleaning contractor, business leads and referrals from clients seeking a reputable contractor, discounted rates for NADCA publications, training programs, and events, access to NADCA promotional materials, and much more.

Types of Membership:
There are many options for membership within NADCA. Click on the links below for full definitions and applications.
Regular Membership
NADCA Regular Members are companies that are actively engaged in the business of performing residential, commercial and/or industrial air duct cleaning services while retaining at least one certified Air System Cleaning Specialist (ASCS) on staff at each location. Only Regular Members have voting rights within the organization. Membership dues are payable on an annual basis.
Associate Membership
NADCA Associate Members are companies engaged in the manufacture and/or distribution of air duct cleaning equipment, cleaning accessories, franchises, HVAC filters, air purifiers, related products, or services. Manufacturer's representatives are included in this category.
Supplemental Membership
NADCA Supplemental Membership is available to Regular Member companies with more than one physical location. Each location is required to have an ASCS on staff