HVAC companies in Olympia
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.
G&G Heating & A/c
✓ State license verified: Washington L&I #GGHEAHC7872R, active✓ Bonded & insured on recordstate record, checked Oct 2026
Crystal Air Systems
✓ State license verified: Washington L&I #CRYSTAS996R8, active✓ Bonded & insured on recordstate record, checked Oct 2026
Rainier Air Services
✓ State license verified: Washington L&I #RAINIAS808K6, active✓ Bonded & insured on recordstate record, checked Oct 2026
Pacific Air Heating & A/c
✓ State license verified: Washington L&I #PACIFAH908LP, active✓ Bonded & insured on recordstate record, checked Oct 2026
Blues Heating & Air
✓ State license verified: Washington L&I #BLUESHA754B7, active✓ Bonded & insured on recordstate record, checked Oct 2026
Master Mechanical
✓ State license verified: Washington L&I #MASTEML833P3, active✓ Bonded & insured on recordstate record, checked Oct 2026
Diamondback HVAC
✓ State license verified: Washington L&I #DIAMOHL767P8, active✓ Bonded & insured on recordstate record, checked Oct 2026
Deland Heating & Air
✓ State license verified: Washington L&I #DELANHA756NK, active✓ Bonded & insured on recordstate record, checked Oct 2026
Comfort Air Systems
✓ State license verified: Washington L&I #COMFOAS752PZ, active✓ Bonded & insured on recordstate record, checked Oct 2026
Dad's Heating & Air
✓ State license verified: Washington L&I #DADSHHA748LH, active✓ Bonded & insured on recordstate record, checked Oct 2026
Peak HVAC
✓ State license verified: Washington L&I #PEAKHHL756C7, active✓ Bonded & insured on recordstate record, checked Oct 2026
Dryer Duct Plus
✓ State license verified: Washington L&I #DRYERDP754JG, active✓ Bonded & insured on recordstate record, checked Oct 2026
Eastman Refrigeration Service
✓ State license verified: Washington L&I #EASTMRS088KG, active✓ Bonded & insured on recordstate record, checked Oct 2026
Apr Heating And Air
✓ State license verified: Washington L&I #APRHEHA779MS, active✓ Bonded & insured on recordstate record, checked Oct 2026
Mechanical Maintenance
✓ State license verified: Washington L&I #MECHAMI943LN, 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.
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Questions to ask before you hire a HVAC company in Olympia
- 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 Olympia?
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 Olympia?
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.