Best HVAC companies in Covington, WA

The highest-scoring HVAC company in and near Covington is Greenwood Heating and Home Services (score 90, 4.9 stars from 5,046 Google reviews). 19 companies meet the 5 Star standard within about 16 miles.

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

    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
  2. 2

    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
  3. 3

    Harts Plumbers, Electricians, & HVAC Technicians

    4.8 · 1,444 Google reviewsTukwila, WA
    76SCORE
  4. 4

    One Hour Heating & Air Conditioning Newcastle

    5.0 · 133 Google reviewsTukwila, WA
    76SCORE
  5. 5

    Evergreen Home Heating and Energy

    4.8 · 1,013 Google reviewsSeattle, WA
    74SCORE
  6. 6

    Glendale Heating & Air Conditioning

    4.8 · 739 Google reviewsBurien, WA
    74SCORE
  7. 7

    Washington Water Heaters, Heating & Air Conditioning

    4.9 · 321 Google reviewsRenton, WA
    74SCORE
  8. 8

    Agni Heating & Cooling

    5.0 · 86 Google reviewsBellevue, WA
    74SCORE
  9. 9

    Trusted Plumbing & Heating

    4.8 · 473 Google reviewsRenton, WA
    73SCORE
  10. 10
    72SCORE
  11. 11

    Ventflow Dryer Vent And Air Duct Cleaning Service

    5.0 · 154 Google reviewsKent, WA
    InsuredFamily-ownedFree estimates
    70SCORE
  12. 12

    Integrity Energy Systems

    4.7 · 255 Google reviewsSeattle, WA
    67SCORE
  13. 13
    65SCORE
  14. 14

    OutToday Electrical, Plumbing, Heating and Air

    4.7 · 272 Google reviewsBellevue, WA
    64SCORE
  15. 15

    Puget Sound Plumbing & Heating

    4.5 · 1,115 Google reviewsBurien, WA
    62SCORE
  16. 16

    Mountain Valley Heating & A/C

    4.9 · 168 Google reviewsRenton, WA
    62SCORE
  17. 17

    Energy Saver Solutions Inc

    5.0 · 163 Google reviewsSeattle, WA
    62SCORE
  18. 18

    As You Wish Electric, Plumbing, Heating, Air

    4.9 · 67 Google reviewsRenton, WA
    62SCORE
  19. 19

    Columbia Heating & Air

    5.0 · 153 Google reviewsKent, WA
    61SCORE

We list only companies that clear our published bar, so this area is still filling in. As more HVAC companies near Covington qualify, they'll appear here automatically.

Compare the top 10

Top HVAC companies in Covington by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Greenwood Heating and Home Services904.95,046108Tukwila
2StarDucts825.017215Renton
3Harts Plumbers, Electricians, & HVAC Technicians764.81,444–Tukwila
4One Hour Heating & Air Conditioning Newcastle765.0133–Tukwila
5Evergreen Home Heating and Energy744.81,013–Seattle
6Glendale Heating & Air Conditioning744.8739–Burien
7Washington Water Heaters, Heating & Air Conditioning744.9321–Renton
8Agni Heating & Cooling745.086–Bellevue
9Trusted Plumbing & Heating734.8473–Renton
10Beacon Plumbing, Heating, Electrical & Mechanical Inc724.71,722–Kent

HVAC companies in Covington: quick answers

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

Greenwood Heating and Home Services has the highest 5 Star Score among HVAC companies in and near Covington: 90 out of 100, with a 4.9 star Google rating from 5,046 reviews.

How many 5 Star HVAC companies serve Covington?

19 HVAC companies meet our standard within about 16 miles of Covington: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 19 have 15,750 Google reviews between them, averaging 4.85 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.

HVAC companies near Covington

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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.