6 duct cleaning companies in Portland, OR. 4 of them carry a Google rating, from 4.1 to 5.0 stars across 1,226 reviews — 3 sit at 4.5 or better. 6 list a phone number and 5 a website. Best-rated first; contact them yourself, we don’t resell your details.
Duct cleaning is a separate purchase from HVAC service and usually a separate company, because it needs its own truck-mounted equipment. A reputable operator will inspect and quote before selling a whole-system clean.