Best HVAC companies in Denver, CO

The highest-scoring HVAC company in and near Denver is Signature Heating & Air, Inc. (score 94, 5.0 stars from 2,068 Google reviews). 162 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

    Signature Heating & Air, Inc.

    5.0 · 2,068 Google reviewsCentennial, CO27 years in business

    Signature Heating & Air, Inc. provides heating, air conditioning, and indoor air quality services in Centennial, Aurora, and nearby communities. Established in 1999, the family-owned and operated company is licensed,…

    Financing availableEmergency service
    94SCORE
  2. 2

    The Weather Changers Heating and Air Conditioning

    5.0 · 1,380 Google reviewsDenver, CO17 years in business

    The Weather Changers Heating and Air Conditioning is a family-owned, locally operated HVAC company serving homes in the Denver metro area. The company has provided HVAC service since 2009 and handles residential heati…

    Financing availableEmergency service
    91SCORE
  3. 3

    Colorado Home Services

    5.0 · 957 Google reviewsLakewood, CO23 years in business

    Colorado Home Services is a locally owned, veteran-owned company that has served Colorado homeowners since 2003. Its stated service area includes Denver, Colorado Springs, Fort Collins, and communities along the Front…

    91SCORE
  4. 4

    Kappler Mechanical Heating & Air Conditioning

    4.9 · 1,473 Google reviewsBroomfield, CO25 years in business

    Kappler Mechanical Heating & Air Conditioning provides residential heating, cooling, indoor air quality, and electrical services from Broomfield, Colorado. Serving the area since 2001, the company handles HVAC system…

    88SCORE
  5. 5

    B&B Heating & Air Conditioning, Inc.

    4.9 · 1,447 Google reviewsWheat Ridge, CO42 years in business

    B&B Heating & Air Conditioning, Inc. provides residential and commercial heating, cooling, and indoor air quality services across Arvada, Broomfield, Lakewood, Littleton, Wheat Ridge, and Cherry Hill. Established in 1…

    Financing availableEmergency service
    88SCORE
  6. 6

    Gustafson Heating & Air Conditioning Inc.

    5.0 · 444 Google reviewsEnglewood, CO55 years in business

    Gustafson Heating & Air Conditioning Inc. is a family-owned HVAC company serving Englewood and surrounding Colorado communities. In business since 1971, it provides air conditioning installation, repair, and maintenan…

    Financing availableEmergency service
    88SCORE
  7. 7

    True Heating & Cooling

    5.0 · 2,348 Google reviewsWestminster, CO
    87SCORE
  8. 8

    Jim Needham Heating Cooling Plumbing and Drain

    4.9 · 6,930 Google reviewsThornton, CO

    Jim Needham Heating Cooling Plumbing and Drain provides plumbing, drain, heating, and air conditioning services throughout the Denver metro area. The company handles HVAC installation, repair, and maintenance, along w…

    Financing availableEmergency service
    83SCORE
  9. 9

    Rock Plumbing, Heating & Air Conditioning

    4.9 · 4,087 Google reviewsLittleton, CO
    83SCORE
  10. 10

    Plumbline Services

    4.9 · 2,324 Google reviewsArvada, CO

    Plumbline Services provides HVAC, plumbing, and electrical work for homeowners in Arvada and the greater Denver area. Heating and cooling services include furnace and AC repair, maintenance, replacement, and installat…

    Emergency service
    82SCORE
  11. 11

    Apex Clean Air AC & Heating Repair

    4.9 · 2,310 Google reviewsDenver, CO

    Apex Clean Air provides heating, cooling, and indoor air quality services for homeowners in Colorado, Utah, and Idaho. Its heating work includes furnace repair and installation, heat pump repair, and heat pump install…

    82SCORE
  12. 12

    Tuscan Electric Heating & Plumbing

    5.0 · 758 Google reviewsSheridan, CO
    82SCORE
  13. 13

    Comfort Pros Heating and Air Conditioning

    5.0 · 678 Google reviewsDenver, CO

    Comfort Pros Heating and Air Conditioning is a family-owned HVAC business serving homes and businesses in the Denver area. The company provides heating, cooling, and indoor air quality work, including installations, r…

    Financing available
    82SCORE
  14. 14

    Tri Peaks Air

    5.0 · 656 Google reviewsWheat Ridge, CO

    Tri Peaks Air provides heating, cooling, plumbing, and electrical services in Wheat Ridge and the surrounding area. The family-owned and operated company handles HVAC repair, installation, and maintenance, including f…

    Financing available
    82SCORE
  15. 15

    Behold Heating and Cooling Denver HVAC

    5.0 · 487 Google reviewsEnglewood, CO

    Behold Heating and Cooling | Denver HVAC serves residential and commercial clients throughout the Denver Metro. The locally owned and operated company provides furnace repair, maintenance, and installation, along with…

    Background-checked
    81SCORE
  16. 16

    All A/C & Heating Solutions, Inc

    5.0 · 443 Google reviewsLakewood, CO
    80SCORE
  17. 17

    Lou’s Heating & Cooling

    5.0 · 399 Google reviewsLakewood, CO
    80SCORE
  18. 18

    Applewood Plumbing Heating & Electric

    4.8 · 17,979 Google reviewsDenver, CO
    79SCORE
  19. 19

    Mighty Plumbing Heating Air and Electric LLC.

    4.8 · 4,887 Google reviewsDenver, CO
    79SCORE
  20. 20

    Blue Sky Plumbing, Heating, Cooling & Electric

    4.8 · 4,450 Google reviewsWheat Ridge, CO
    79SCORE
  21. 21

    Absolute Plumbing, Electrical, Heating & Air

    4.8 · 3,991 Google reviewsDenver, CO
    79SCORE
  22. 22

    Swan Plumbing, Heating & Air of Denver

    4.8 · 3,885 Google reviewsCommerce City, CO
    79SCORE
  23. 23
    79SCORE
  24. 24

    A Better Plumber (an Absolute Plumbing Company)

    4.8 · 3,338 Google reviewsDenver, CO
    79SCORE
  25. 25

    Heart Heating, Cooling, Plumbing & Electric

    4.8 · 3,329 Google reviewsDenver, CO
    79SCORE
  26. 26

    Unique Heating and Air Conditioning Inc.

    4.9 · 847 Google reviewsNorthglenn, CO
    79SCORE
  27. 27

    Roots Heating & Air

    5.0 · 324 Google reviewsDenver, CO
    79SCORE
  28. 28

    VO Heating and Cooling

    5.0 · 305 Google reviewsThornton, CO
    79SCORE
  29. 29

    High 5 Plumbing, Heating, Cooling & Electric

    4.7 · 2,907 Google reviewsDenver, CO14 years in business
    Emergency serviceFinancing available
    78SCORE
  30. 30

    Veteran Heating, Cooling, Plumbing & Electric

    4.9 · 644 Google reviewsDenver, CO
    78SCORE

Compare the top 10

Top HVAC companies in Denver by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Signature Heating & Air, Inc.945.02,06827Centennial
2The Weather Changers Heating and Air Conditioning915.01,38017Denver
3Colorado Home Services915.095723Lakewood
4Kappler Mechanical Heating & Air Conditioning884.91,47325Broomfield
5B&B Heating & Air Conditioning, Inc.884.91,44742Wheat Ridge
6Gustafson Heating & Air Conditioning Inc.885.044455Englewood
7True Heating & Cooling875.02,348–Westminster
8Jim Needham Heating Cooling Plumbing and Drain834.96,930–Thornton
9Rock Plumbing, Heating & Air Conditioning834.94,087–Littleton
10Plumbline Services824.92,324–Arvada

HVAC companies in Denver: quick answers

Who is the highest-rated HVAC company in Denver, CO?

Signature Heating & Air, Inc. has the highest 5 Star Score among HVAC companies in and near Denver: 94 out of 100, with a 5.0 star Google rating from 2,068 reviews.

How many 5 Star HVAC companies serve Denver?

162 HVAC companies meet our standard within about 16 miles of Denver: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 79,921 Google reviews between them, averaging 4.91 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.