HVAC companies in Bellingham
15 with an active state license we verified. Checked pros are listed first, then state-licensed ones; the rest rotate monthly. Nobody pays to be listed or ranked.
Ray Heating & A/c
✓ State license verified: Washington L&I #RAYHEAI988NE, active✓ Bonded & insured on recordstate record, checked Oct 2026
Hydro Mechanical
✓ State license verified: Washington L&I #HYDROMI077MF, active✓ Bonded & insured on recordstate record, checked Oct 2026
Raincountry Refrigeration
✓ State license verified: Washington L&I #RAINCRI117M7, active✓ Bonded & insured on recordstate record, checked Oct 2026
Northwest Energy Sys Of Wa
✓ State license verified: Washington L&I #NORTHES982C8, active✓ Bonded & insured on recordstate record, checked Oct 2026
Marr's Heating & A/c
✓ State license verified: Washington L&I #MARRSHC7608R, active✓ Bonded & insured on recordstate record, checked Oct 2026
Bellingham Heating & Cooling
✓ State license verified: Washington L&I #BELLIHC808NM, active✓ Bonded & insured on recordstate record, checked Oct 2026
Hydro Mechanical
✓ State license verified: Washington L&I #HYDROMI741DB, active✓ Bonded & insured on recordstate record, checked Oct 2026
Green HVAC
✓ State license verified: Washington L&I #GREENHL769RT, active✓ Bonded & insured on recordstate record, checked Oct 2026
Marr's Heating & A/c
✓ State license verified: Washington L&I #MARRSHA007C8, active✓ Bonded & insured on recordstate record, checked Oct 2026
Comfort Zone HVAC
✓ State license verified: Washington L&I #COMFOZH741DW, active✓ Bonded & insured on recordstate record, checked Oct 2026
Clean Air Comfort Systems
✓ State license verified: Washington L&I #CLEANAC851NQ, active✓ Bonded & insured on recordstate record, checked Oct 2026
Harris Pacific Northwest
✓ State license verified: Washington L&I #HARRIPN797KC, active✓ Bonded & insured on recordstate record, checked Oct 2026
Velocity HVAC
✓ State license verified: Washington L&I #VELOCH*768D5, active✓ Bonded & insured on recordstate record, checked Oct 2026
Feller Heating & A/c
✓ State license verified: Washington L&I #FELLEHC000C5, active✓ Bonded & insured on recordstate record, checked Oct 2026
Truly Radiant Heating
✓ State license verified: Washington L&I #TRULYRL793JN, active✓ Bonded & insured on recordstate record, checked Oct 2026
How we pick the best one (no star ratings)
1. We start with real local businessesEvery listing has a local address and a working phone number from public business records.
2. We call and askYears in business, licensing where your state requires it, insurance, and whether they actually answer and show up.
3. We match to your must-havesExperience, what matters most to you, and how close they are to your house.
4. We ask you how it wentAfter the job we check in with you. Pros who fall short stop getting our referrals.
We don't use Google or Yelp reviews. Ratings can be bought, gamed or years out of date; a phone call and your feedback can't. More on how we check pros.
Hired the wrong HVAC company before?
No-shows, a job left half done, a price that doubled. It happens a lot, and it's why we check HVAC companies ourselves instead of trusting star ratings. Tell us what went wrong last time, tick "let down before" on the form, and we'll only send you pros who passed our check and fit your must-haves.
Get matched →
Questions to ask before you hire a HVAC company in Bellingham
- Will you do a load calculation before recommending a new system?
- What brands do you install and service?
- What do the equipment and labor warranties cover?
- Do you offer maintenance plans?
Run a HVAC company business in Bellingham?
Being on this list is free, and nobody can pay to move up it. If you don't have a website yet, SearchWrench builds one for you: your services, the towns you cover and a quote form, on your own domain, ready for Google and ChatGPT. It's $29.99 a month, cancel anytime, and the domain is yours after 4 months. Having a site with us doesn't change your place on this page.
See the $29.99 website plan → · Wrong details for your business? Tell us.
Common questions
How do I choose a HVAC company in Bellingham?
Decide your must-haves first: how many years of experience, whether price or quality matters most, and how far you will let them travel. Then compare at least two written quotes using the questions on this page.
How does SearchWrench pick the best HVAC company?
We don't use Google or Yelp star ratings. We call local businesses ourselves to confirm years in business, licensing where required, and insurance, match them to your must-haves, and ask you how the job went afterwards.
Is it free?
Yes. Homeowners never pay us, and businesses cannot pay to rank higher on this page.