Top Rated Heating & Air Conditioning Contractors Serving Thurston County, WA
Last Updated May 15, 2026
4148 Review Ratings and 2 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Janes Radiant Heating
Janes Radiant Heating offers radiant heating solutions to residential and commercial clients throughout Snohomish County. Specializing in hydronic heating systems, radiant floor heating, and boiler installations, the company is known for its commitment to energy-efficient and reliable heating solutions. - Boiler and Water Heater Repair - New System Installation - System Replacement - Geothermal System Repair - Geothermal System Installation.
Services
Heating & Air Conditioning including heating, mini splits, water heater repair, heat pump repair and ductless heating and cooling systems.
Coverage Areas
The Seattle Area, including Thuston County—key cities including Macy, Rosalie, Thurston, Walthill, Winnebago, La Grande, Olympia, Lacey, Tumwater, Bucoda, East Olympia, Littlerock, Rainier, Rochester, Tenino and Yelm.
Harts Plumbers, Electricians, & HVAC Technicians
Harts Plumbers, Electricians, & HVAC Technicians offers heating and air conditioning services to homeowners and business owners in the Seattle-Tacoma area. The company is known for its ability to work on everything from air conditioner repairs and heat pump repairs to water heater repairs and ductless heating and cooling systems, and it has earned a positive reputation by consistently delivering high-quality service on every project.
Services
Heating & Air conditioning Contractors including ductless heating and cooling systems, ac tune ups, mini splits, air conditioner repair, heat pump repair, plumbing, sewer & drains, electrical, electrical outlets, circuit breakers, lighting installation, generator services and ev chargers.
Coverage Areas
The Seattle–Tacoma Area, including Thurston County—key cities including Lacey, Rochester, Bucoda, La Grande, East Olympia, Littlerock, Rainier, Olympia, Tenino and Tumwater.
- 1202 Black Lake Blvd SW
- Ste A5
- Olympia, WA 98502
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
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Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
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