Best HVAC companies in Seattle, WA

The highest-scoring HVAC company in and near Seattle is BelRed Heating, Cooling, Plumbing & Electrical (score 90, 4.9 stars from 6,503 Google reviews). 60 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

Last updated Nov 1, 2026How we rank
  1. 1

    BelRed Heating, Cooling, Plumbing & Electrical

    4.9 · 6,503 Google reviewsWoodinville, WA40 years in business

    BelRed Heating, Cooling, Plumbing & Electrical provides residential home services across Seattle, the Eastside, and the Greater Puget Sound. The company has served the Pacific Northwest since 1986 and handles heating,…

    Financing availableEmergency service
    90SCORE
  2. 2

    Greenwood Heating and Home Services

    4.9 · 5,046 Google reviewsTukwila, WA108 years in business

    Greenwood Heating and Home Services serves the Greater Seattle Metro Area with heating, air conditioning, electrical, plumbing, and restoration work. The locally owned, family-owned company has served the Seattle area…

    Emergency service
    90SCORE
  3. 3

    As You Wish Electric, Plumbing, Heating & Air

    4.9 · 3,460 Google reviewsSeattle, WA20 years in business

    As You Wish Electric, Plumbing, Heating & Air provides home comfort services across Seattle and the Greater Puget Sound area. Established by Sean Moncrief in Kirkland in 2006, the company began with electrical work an…

    Financing availableEmergency service
    90SCORE
  4. 4

    Fast Water Heater Company

    4.9 · 2,639 Google reviewsWoodinville, WA40 years in business

    Fast Water Heater Company provides water heater installation, replacement, repair, maintenance, and warranty service across Washington, Oregon, Northern California, and Southern California. The company has served the…

    Financing availableEmergency service
    90SCORE
  5. 5

    Ballard Heating, Cooling, Electric & Plumbing

    4.9 · 1,696 Google reviewsLynnwood, WA33 years in business

    Ballard Heating, Cooling, Electric & Plumbing has served homes and businesses in the Puget Sound region since 1993. Formerly known as Ballard Natural Gas, the locally owned and operated company provides heating and co…

    Financing available
    89SCORE
  6. 6

    2 Sons Plumbing & Sewer

    4.9 · 4,117 Google reviewsSeattle, WA
    83SCORE
  7. 7

    Eco Electric, Plumbing, Heating and Air

    4.9 · 2,490 Google reviewsSeattle, WA

    Eco Electric, Plumbing, Heating and Air provides electrical, plumbing, heating, cooling, and indoor air quality work in Seattle and communities around Puget Sound. Its heating and cooling services cover air conditione…

    Financing availableEmergency service
    82SCORE
  8. 8

    StarDucts

    5.0 · 172 Google reviewsRenton, WA15 years in business

    StarDucts provides residential and commercial duct and vent services in Seattle and surrounding areas. Its cleaning work includes air ducts, dryer vents, roof dryer vents, furnaces, commercial air ducts, and commercia…

    InsuredBondedFamily-ownedFree estimates
    82SCORE
  9. 9
    81SCORE
  10. 10

    CM Heating

    4.9 · 1,097 Google reviewsLynnwood, WA
    80SCORE
  11. 11

    Harts Plumbers, Electricians, & HVAC Technicians

    4.9 · 997 Google reviewsLynnwood, WA
    79SCORE
  12. 12

    Kings Heating, Air & Electric

    4.9 · 821 Google reviewsLynnwood, WA
    79SCORE
  13. 13

    Pure Air Cooling & Heating

    5.0 · 409 Google reviewsKirkland, WA
    79SCORE
  14. 14

    Pearce Heating & A/C

    5.0 · 393 Google reviewsRedmond, WA
    79SCORE
  15. 15

    South West Plumbing, Heating, Air, & Electric

    4.8 · 11,934 Google reviewsSeattle, WA
    78SCORE
  16. 16

    Gene Johnson Plumbing

    4.8 · 4,904 Google reviewsSeattle, WA
    78SCORE
  17. 17

    Insulation Co

    5.0 · 288 Google reviewsSeattle, WA
    77SCORE
  18. 18

    Fuse Service

    5.0 · 220 Google reviewsKirkland, WA
    77SCORE
  19. 19

    One Hour Heating & Air Conditioning Newcastle

    5.0 · 133 Google reviewsTukwila, WA
    76SCORE
  20. 20

    Prime Systems Heating and Air Conditioning

    5.0 · 143 Google reviewsKirkland, WA
    75SCORE
  21. 21

    Evergreen Home Heating and Energy

    4.8 · 1,013 Google reviewsSeattle, WA
    74SCORE
  22. 22

    Glendale Heating & Air Conditioning

    4.8 · 739 Google reviewsBurien, WA
    74SCORE
  23. 23

    All Climate Heating & Air Conditioning

    4.8 · 723 Google reviewsRedmond, WA
    74SCORE
  24. 24

    Seatown Electric Plumbing Heating and Air

    4.8 · 698 Google reviewsSeattle, WA
    74SCORE
  25. 25

    Washington Water Heaters, Heating & Air Conditioning

    4.9 · 321 Google reviewsRenton, WA
    74SCORE
  26. 26

    Product Air Heating, Cooling, and Electric Seattle

    5.0 · 99 Google reviewsSeattle, WA
    74SCORE
  27. 27

    Agni Heating & Cooling

    5.0 · 86 Google reviewsBellevue, WA
    74SCORE
  28. 28

    Advanced Heating & Cooling, Inc.

    4.8 · 553 Google reviewsBremerton, WA
    73SCORE
  29. 29

    Brennan Heating, Air Conditioning, & Electric

    4.8 · 497 Google reviewsLynnwood, WA
    73SCORE
  30. 30

    Trusted Plumbing & Heating

    4.8 · 473 Google reviewsRenton, WA
    73SCORE

Compare the top 10

Top HVAC companies in Seattle by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1BelRed Heating, Cooling, Plumbing & Electrical904.96,50340Woodinville
2Greenwood Heating and Home Services904.95,046108Tukwila
3As You Wish Electric, Plumbing, Heating & Air904.93,46020Seattle
4Fast Water Heater Company904.92,63940Woodinville
5Ballard Heating, Cooling, Electric & Plumbing894.91,69633Lynnwood
62 Sons Plumbing & Sewer834.94,117–Seattle
7Eco Electric, Plumbing, Heating and Air824.92,490–Seattle
8StarDucts825.017215Renton
9HotWire Furnace, Air Conditioning & Appliance Repair Bothell814.91,513–Bothell
10CM Heating804.91,097–Lynnwood

HVAC companies in Seattle: quick answers

Who is the highest-rated HVAC company in Seattle, WA?

BelRed Heating, Cooling, Plumbing & Electrical has the highest 5 Star Score among HVAC companies in and near Seattle: 90 out of 100, with a 4.9 star Google rating from 6,503 reviews.

How many 5 Star HVAC companies serve Seattle?

60 HVAC companies meet our standard within about 16 miles of Seattle: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 54,177 Google reviews between them, averaging 4.90 stars.

How are these HVAC companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.