As someone who’s been in the cleaning industry since our family started Alpine back in 1969, I’ve seen the air duct cleaning space change a lot. One thing that hasn’t changed is how many companies cut corners.
NADCA — the National Air Duct Cleaners Association — sets the standard for how air duct cleaning should be done. When a company is NADCA-certified, it means they follow specific procedures, use proper equipment, and their technicians are trained and tested.
Here in Seattle, our damp climate creates a unique set of challenges. Moisture gets into ductwork and can lead to mold growth, dust mite colonies, and allergen buildup that you’d never see in a drier climate. That’s why proper cleaning technique matters even more in the Pacific Northwest.
What to Ask Before Hiring a Duct Cleaner
- Are you NADCA-certified? (Ask for the certificate number.)
- Do you clean the entire system, including supply and return ducts, registers, and the air handler?
- Do you use negative air pressure and HEPA-filtered equipment?
- Will you show me before-and-after photos of my ducts?
At Alpine, we’ve been NADCA members for decades because we believe in doing things right. We use truck-mounted vacuum systems with HEPA filtration, and we always show our customers what we find. If your ducts are clean, we’ll tell you — we’re not going to sell you a service you don’t need.
If your home is over five years old and you’ve never had your ducts cleaned — or if anyone in your household has allergies or asthma — it’s worth getting an inspection. We offer free assessments here in the Seattle area.
Give us a call at (206) 501-2223, or fill out the quote form on our website. We’ll take care of you the way we’d take care of our own family’s home.
— Eric, Owner, Alpine Specialty Services
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