Ductwork and Ventilation

Aeroseal

Miamisburg, United States

Aeroseal is the leading patented aerosol-based duct sealing technology company, headquartered in Miamisburg, Ohio. Originally developed at the Lawrence Berkeley National Laboratory and named one of the Department of Energy's top 25 innovations of the past 25 years, Aeroseal reduces duct leakage by up to 90% by sealing leaks from the inside using a non-toxic sealant injected into pressurized ductwork. For over 20 years, Aeroseal has improved hundreds of thousands of homes, hospitals, hotels, universities, and commercial buildings through its certified dealer network, offering a 10-year warranty on sealed duct systems.

Aspen Air Duct Cleaning

United States

Aspen Air Duct Cleaning is a Greater Boston area air duct cleaning and Aeroseal duct sealing specialist, serving Massachusetts residential and commercial customers since 2008. As a proud NADCA member, Aspen provides complete HVAC system cleaning, commercial and residential Aeroseal duct sealing that can reduce duct leakage by up to 90%, dryer vent cleaning, and indoor air quality services. The company serves office buildings, industrial facilities, retail stores, education centers, hospitals, and government facilities across the Boston metro area with advanced equipment and certified technicians.

BSW Building Services

United Kingdom

BSW Building Services is one of the United Kingdom's leading independent duct cleaning and ventilation hygiene specialists, providing commercial ductwork cleaning, kitchen extract cleaning (TR19 Grease compliance), fire damper testing, ductwork inspection, and ventilation system sanitization across England, Scotland, and Wales. BSW is a full member of the Building Engineering Services Association (BESA) and specializes in commercial kitchens, hospitals, schools, office buildings, and industrial facilities, delivering TR/19 compliant cleaning standards and certifications required for insurance and compliance.

Indepth Hygiene Services

United Kingdom

Indepth Hygiene Services is a UK-wide specialist in ductwork cleaning, ventilation hygiene, and kitchen extract cleaning, serving commercial and industrial clients nationwide from its headquarters in London. A BESA member and leading provider of TR/19 compliant kitchen extract cleaning and TR/19 Air compliant ventilation cleaning, Indepth Hygiene serves major hotels, restaurants, hospitals, schools, and commercial buildings. The company provides insurance-approved certification, fire damper testing, indoor air quality testing, and 24/7 emergency cleaning across England, Scotland, and Wales.

Modern Purair

Kelowna, Canada

Modern Purair is Canada's largest indoor air quality and duct cleaning franchise network, headquartered in Kelowna, British Columbia, with franchise locations across Canada. The company provides residential and commercial air duct cleaning, furnace cleaning, dryer vent cleaning, AC coil cleaning, and indoor air quality testing using a proprietary Power-Vac process. Modern Purair is certified by the National Air Duct Cleaners Association (NADCA) and services homes, offices, schools, healthcare facilities, and commercial properties throughout British Columbia, Alberta, Saskatchewan, Manitoba, and Ontario.

Sanifair Duct Cleaning Canada

Toronto, Canada

Sanifair is a leading Canadian ductwork cleaning and ventilation services company serving the Greater Toronto Area and Ontario. Sanifair specializes in residential and commercial duct cleaning, dryer vent cleaning, HVAC system sanitization, and indoor air quality services using truck-mounted Power-Vac equipment and NADCA-certified processes. The company provides service to Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, and surrounding GTA communities, with particular expertise in multi-family residential buildings, commercial offices, and industrial ventilation systems.

Stanley Steemer Air Duct Services

Dublin, United States

Stanley Steemer is America's largest air duct cleaning and ventilation service provider, founded in 1947 by Jack A. Bates in Dublin, Ohio. With the nation's largest fleet of air duct cleaning trucks, Stanley Steemer provides whole-system HVAC cleaning including ductwork, air handler units, rooftop units, exhaust systems, dryer vents, coils, and vent covers for both residential and commercial customers. All Stanley Steemer technicians are certified by the National Air Duct Cleaners Association (NADCA) and follow strict industry standards using truck-mounted vacuums and HEPA filtration.