Best electricians in Louisville, CO

The highest-scoring electrician in and near Louisville is Kappler Mechanical Heating & Air Conditioning (score 88, 4.9 stars from 1,473 Google reviews). 34 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

    Mister Sparky Of Denver

    4.9 · 3,139 Google reviewsWestminster, CO

    Mister Sparky Of Denver provides residential electrical repair and installation for customers in Denver, Lakewood, Englewood, Aurora, Glendale, Littleton, Westminster, Boulder, and surrounding Colorado communities. It…

    Financing availableEmergency service
    83SCORE
  3. 3

    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
  4. 4

    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
  5. 5

    Just In Time Electrical & Plumbing

    4.9 · 1,356 Google reviewsThornton, CO
    80SCORE
  6. 6

    JD Electrical Home Solutions

    5.0 · 339 Google reviewsDenver, CO
    80SCORE
  7. 7

    Applewood Plumbing Heating & Electric

    4.8 · 17,979 Google reviewsDenver, CO
    79SCORE
  8. 8

    Blue Sky Plumbing, Heating, Cooling & Electric

    4.8 · 4,450 Google reviewsWheat Ridge, CO
    79SCORE
  9. 9

    Precision Plumbing Heating Cooling Electric

    4.8 · 4,515 Google reviewsLouisville, CO
    78SCORE
  10. 10

    High 5 Plumbing, Heating, Cooling & Electric

    4.7 · 2,907 Google reviewsDenver, CO14 years in business
    Emergency serviceFinancing available
    78SCORE
  11. 11

    Power Electrical, Heating & Cooling Services

    5.0 · 233 Google reviewsDenver, CO
    78SCORE
  12. 12

    Table Mountain Electric Inc Denver Electrician

    4.9 · 495 Google reviewsWheat Ridge, CO
    77SCORE
  13. 13
    76SCORE
  14. 14

    Vectra Mechanical HVAC, Electrical and Plumbing

    4.9 · 381 Google reviewsArvada, CO
    76SCORE
  15. 15

    Brothers Plumbing, Heating & Electric

    4.7 · 9,266 Google reviewsDenver, CO
    74SCORE
  16. 16

    Red Diamond Electric

    5.0 · 134 Google reviewsThornton, CO
    74SCORE
  17. 17

    Allen Service

    4.7 · 1,803 Google reviewsCommerce City, CO
    73SCORE
  18. 18

    Mountain Breeze Heating & Air, Inc.

    4.8 · 487 Google reviewsWheat Ridge, CO
    73SCORE
  19. 19

    Professional Power

    5.0 · 92 Google reviewsWestminster, CO
    73SCORE
  20. 20

    Impact Heating & Cooling Inc.

    4.9 · 949 Google reviewsThornton, CO
    72SCORE
  21. 21

    Cooper Heating & Cooling

    4.8 · 4,787 Google reviewsBroomfield, CO
    71SCORE
  22. 22

    Brown Bear Electrical

    5.0 · 61 Google reviewsWestminster, CO
    70SCORE
  23. 23

    Grounded Electric, LLC

    5.0 · 65 Google reviewsThornton, CO
    69SCORE
  24. 24

    High West Electric

    5.0 · 282 Google reviewsLakewood, CO
    67SCORE
  25. 25

    Westminster Electricians

    5.0 · 24 Google reviewsWestminster, CO
    66SCORE
  26. 26

    Service Experts Denver

    4.7 · 2,002 Google reviewsWestminster, CO
    65SCORE
  27. 27

    Arvada Electric

    4.9 · 74 Google reviewsArvada, CO
    65SCORE
  28. 28

    Arvada Electricians

    5.0 · 21 Google reviewsArvada, CO
    65SCORE
  29. 29

    Awesome Electric

    4.9 · 79 Google reviewsFederal Heights, CO
    64SCORE
  30. 30

    Goodfellas Heating, Cooling, Plumbing & Electric

    4.6 · 483 Google reviewsNorthglenn, CO
    62SCORE

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

Compare the top 10

Top electricians in Louisville by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Kappler Mechanical Heating & Air Conditioning884.91,47325Broomfield
2Mister Sparky Of Denver834.93,139–Westminster
3Plumbline Services824.92,324–Arvada
4Tri Peaks Air825.0656–Wheat Ridge
5Just In Time Electrical & Plumbing804.91,356–Thornton
6JD Electrical Home Solutions805.0339–Denver
7Applewood Plumbing Heating & Electric794.817,979–Denver
8Blue Sky Plumbing, Heating, Cooling & Electric794.84,450–Wheat Ridge
9Precision Plumbing Heating Cooling Electric784.84,515–Louisville
10High 5 Plumbing, Heating, Cooling & Electric784.72,90714Denver

Electricians in Louisville: quick answers

Who is the highest-rated electrician in Louisville, CO?

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

How many 5 Star electricians serve Louisville?

34 electricians 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 61,497 Google reviews between them, averaging 4.88 stars.

How are these electricians 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.