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Olson Energy Serv/Gas Appl Svc

Licensed HVAC contractor in Seattle, Washington

Washington L&I licence active4.8(377 reviews)

Olson Energy Serv/Gas Appl Svc holds Washington L&I licence OLSONES863OD, active, licensed since 4 Sep 2014, rated 4.8 from 377 Google reviews. Bonded for $15,000 with Ohio Cas Ins Co. No complaints on the Washington L&I record.

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Request a free quote (206) 782-5522 Website Google profile Verify #OLSONES863OD on Washington L&I Search BBB
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Report card

  • Licence activeWashington L&I #OLSONES863OD, Heating/Vent/Air-Conditioning And Refrig (Hvac/R). Issued 4 Sep 2014, expires 23 Sep 2028.
  • Licensed 12 yrsSince 4 Sep 2014.
  • Bonded$15,000 with Ohio Cas Ins Co, since 1 Jul 2024. Washington sets the bond by licence type ($30,000 for a general contractor, $15,000 for a specialty contractor, $4,000 for an electrical contractor), so the amount shows the kind of licence, not the size or quality of the business.
  • Liability insuredSentry Insurance Company, $1,000,000, valid to 21 Aug 2027.
  • No complaintsNone on the Washington L&I record.Washington L&I record
  • 2 building permits since 2020Naming this business as the contractor (City of Bellevue), most recently 20 Apr 2026.

Checked against the Washington State Department of Labor & Industries (L&I) register on 4 Nov 2026.

Google reviews

4.8(377 reviews)
Juri Minxha★★★★★ 4 months agoView on Google

I had a new Mitsubishi heat pump installed. The price Olson gave me was very competitive (I had at least 4 quotes) and their work excellent! I'm very happy with their installation.

Lisa Calvert★★★★★ 4 months agoView on Google

Olson had ian nformative estimator who answered all our question without upselling or any feeling of being "piched," scheduled promptly, completed the work on time with zero mess, and it works great. Better yet, it was the best priced bid - by a lot.

Dan Lowinger★★★★★ 11 months agoView on Google

Great service. We had a repair done on our gas furnace last year with Olson Energy, which was reasonably priced and worked well. We decided to replace the furnace this year given it was 25 years old. We used Olson again. The estimate and scheduling process was easy and the installers were very nice and efficient. The furnace works great. Would definitely call Olson Energy for future needs, although hope not to need …

Lance White★★★★★ a year agoView on Google

We called Olson Energy Service as our air conditioning unit was not working as effectively as it had previously done so and we knew we were long overdue for a service. We were able to get an appointment for later the same week - which was very convenient. Chris arrived during the allotted time window and he got straight to work. Chris was able to quickly diagnose, explain and fix the problem - a dual capacitor and…

Oran Mossop★★★★★ a month agoView on Google

I called to request a quote on Aug 14th to have someone come out to repair a broken Mitsubishi mini-split and perform standard maintenance on the other units. I spoke to Joseph, who sent me a very reasonable quote. I scheduled for Aug 19th at 10:00AM to come out and take a look and Joseph was a no-call, no-show.

Read all 377 reviews on Google Reviews and photos from Google, 4 Nov 2026.

Recent permits

Building permits pulled under licence #OLSONES863OD, from City of Bellevue open data, which names contractors up to 2 Nov 2026. Locations are shown to ZIP code only.

  • 20 Apr 2026 · Mechanical No Plan Review · ZIP 98008A Single Family Residential Repair or Replacement None Project Involving (1 Furnace <= 100,000 BTU, 1 Air Conditioner)
  • 15 Mar 2021 · Mechanical No Plan Review · ZIP 98006A Single Family Residential Alteration to Existing Structure None Project Involving (1 Ductless Heat Pump)

Why it ranks #4 of 36 HVAC contractors in Seattle

Years licensed weight 3061%
Complaint record weight 25100%
Bond weight 10100%
Google reviews weight 3589%

Score 84.4 / 100. Claiming this listing or using Theo never changes it. How we rank

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