Shortlist · Mill Creek, WA
Best HVAC in Mill Creek
Top 6 ranked HVAC providers in Mill Creek, WA. #1 pick: Cascadia Comfort (5.0★, 142 reviews).
6 rankedL&I license-verifiedUpdated regularly
On this page
Ranked shortlist
Request quotes →- Cascadia ComfortTop pickfurnace installationfurnace repairheat pump installationheat pump repair
What customers say “Incredible service from start to finish! On the day of my appointment, I received a reminder about my time slot & a…”
- Hooked On HydronicsVerified
What customers say “They installed my new home's hydronic heating system 13 years ago. While they don't provide on-going maintenance or…”
- AeroheatVerified
- Absolute Gas ServicesVerified
- Adaptive HvacVerified
- Northwest Lab ServicesVerified
How we rank
License + business status
Active state license and business registration required.
Verified reviews
Ratings weighted across sources and recency, not raw star counts.
Responsiveness
Quote turnaround time and communication track record.
Service coverage
Coverage of the city itself and surrounding neighborhoods.
Frequently Asked Questions
How do you rank the best HVAC pros in Mill Creek?
We score providers on license status, service coverage, verified reviews, and responsiveness. We update rankings as new data comes in.
Should I always pick the top-ranked company?
Not necessarily. The ranking is a strong starting point, but availability, project scope, and quote price matter. Request two or three quotes to confirm the best fit.
Are these companies actually licensed?
Yes. Every listed provider has a verified state license at time of publication.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Washington Department of Labor & Industries (L&I) · Company data: verified business records + Google Business profile
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