Best electricians in Boulder, CO

The highest-scoring electrician in and near Boulder is Kappler Mechanical Heating & Air Conditioning (score 88, 4.9 stars from 1,473 Google reviews). 9 companies meet the 5 Star standard within about 16 miles.

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

    Precision Plumbing Heating Cooling Electric

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

    Professional Power

    5.0 · 92 Google reviewsWestminster, CO
    73SCORE
  5. 5

    Cooper Heating & Cooling

    4.8 · 4,787 Google reviewsBroomfield, CO
    71SCORE
  6. 6

    Brown Bear Electrical

    5.0 · 61 Google reviewsWestminster, CO
    70SCORE
  7. 7

    Westminster Electricians

    5.0 · 24 Google reviewsWestminster, CO
    66SCORE
  8. 8

    Service Experts Denver

    4.7 · 2,002 Google reviewsWestminster, CO
    65SCORE
  9. 9

    Arvada Electric

    4.9 · 74 Google reviewsArvada, CO
    65SCORE

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

Compare the top 9

Top electricians in Boulder by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Kappler Mechanical Heating & Air Conditioning884.91,47325Broomfield
2Mister Sparky Of Denver834.93,139–Westminster
3Precision Plumbing Heating Cooling Electric784.84,515–Louisville
4Professional Power735.092–Westminster
5Cooper Heating & Cooling714.84,787–Broomfield
6Brown Bear Electrical705.061–Westminster
7Westminster Electricians665.024–Westminster
8Service Experts Denver654.72,002–Westminster
9Arvada Electric654.974–Arvada

Electricians in Boulder: quick answers

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

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

How many 5 Star electricians serve Boulder?

9 electricians meet our standard within about 16 miles of Boulder: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 9 have 16,167 Google reviews between them, averaging 4.89 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.