Best HVAC companies in Louisville, CO

The highest-scoring HVAC company in and near Louisville is Kappler Mechanical Heating & Air Conditioning (score 88, 4.9 stars from 1,473 Google reviews). 65 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

    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
  2. 2

    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
  3. 3

    True Heating & Cooling

    5.0 · 2,348 Google reviewsWestminster, CO
    87SCORE
  4. 4

    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
  5. 5

    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
  6. 6

    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
  7. 7

    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
  8. 8

    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
  9. 9

    Applewood Plumbing Heating & Electric

    4.8 · 17,979 Google reviewsDenver, CO
    79SCORE
  10. 10

    Blue Sky Plumbing, Heating, Cooling & Electric

    4.8 · 4,450 Google reviewsWheat Ridge, CO
    79SCORE
  11. 11

    Unique Heating and Air Conditioning Inc.

    4.9 · 847 Google reviewsNorthglenn, CO
    79SCORE
  12. 12

    VO Heating and Cooling

    5.0 · 305 Google reviewsThornton, CO
    79SCORE
  13. 13

    Precision Plumbing Heating Cooling Electric

    4.8 · 4,515 Google reviewsLouisville, CO
    78SCORE
  14. 14

    High 5 Plumbing, Heating, Cooling & Electric

    4.7 · 2,907 Google reviewsDenver, CO14 years in business
    Emergency serviceFinancing available
    78SCORE
  15. 15

    Power Electrical, Heating & Cooling Services

    5.0 · 233 Google reviewsDenver, CO
    78SCORE
  16. 16

    Major Heating and Air Conditioning

    4.9 · 492 Google reviewsWheat Ridge, CO
    77SCORE
  17. 17
    76SCORE
  18. 18

    Vectra Mechanical HVAC, Electrical and Plumbing

    4.9 · 381 Google reviewsArvada, CO
    76SCORE
  19. 19

    Sanders & Johnson Heating, Cooling, and Plumbing

    4.8 · 848 Google reviewsDenver, CO
    75SCORE
  20. 20

    Brothers Plumbing, Heating & Electric

    4.7 · 9,266 Google reviewsDenver, CO
    74SCORE
  21. 21

    Allen Service

    4.7 · 1,803 Google reviewsCommerce City, CO
    73SCORE
  22. 22

    Prime Plumbing & Heating

    4.8 · 556 Google reviewsDenver, CO
    73SCORE
  23. 23

    Mountain Breeze Heating & Air, Inc.

    4.8 · 487 Google reviewsWheat Ridge, CO
    73SCORE
  24. 24

    Lakeside Heating & Air Conditioning

    4.9 · 379 Google reviewsArvada, CO
    73SCORE
  25. 25

    360 HVAC PRO Heating and Cooling

    5.0 · 152 Google reviewsCommerce City, CO
    73SCORE
  26. 26

    One Hour Heating & Air Conditioning® of Denver

    4.7 · 2,004 Google reviewsWestminster, CO
    72SCORE
  27. 27

    Coffman & Company

    4.9 · 1,144 Google reviewsArvada, CO
    72SCORE
  28. 28

    Impact Heating & Cooling Inc.

    4.9 · 949 Google reviewsThornton, CO
    72SCORE
  29. 29

    L&M HVAC & Mechanical

    4.9 · 220 Google reviewsWestminster, CO
    72SCORE
  30. 30

    Smiley Air & Heat

    5.0 · 138 Google reviewsNorthglenn, CO
    72SCORE

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

Compare the top 10

Top HVAC companies in Louisville by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Kappler Mechanical Heating & Air Conditioning884.91,47325Broomfield
2B&B Heating & Air Conditioning, Inc.884.91,44742Wheat Ridge
3True Heating & Cooling875.02,348–Westminster
4Jim Needham Heating Cooling Plumbing and Drain834.96,930–Thornton
5Plumbline Services824.92,324–Arvada
6Apex Clean Air AC & Heating Repair824.92,310–Denver
7Comfort Pros Heating and Air Conditioning825.0678–Denver
8Tri Peaks Air825.0656–Wheat Ridge
9Applewood Plumbing Heating & Electric794.817,979–Denver
10Blue Sky Plumbing, Heating, Cooling & Electric794.84,450–Wheat Ridge

HVAC companies in Louisville: quick answers

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

Kappler Mechanical Heating & Air Conditioning has the highest 5 Star Score among HVAC companies in and near Louisville: 88 out of 100, with a 4.9 star Google rating from 1,473 reviews.

How many 5 Star HVAC companies serve Louisville?

65 HVAC companies meet our standard within about 16 miles of Louisville: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 68,862 Google reviews between them, averaging 4.88 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 Louisville

Other pros in Louisville

Search another area

Try a zip code, a nearby city, or a state.

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.