Best HVAC companies in San Rafael, CA

The highest-scoring HVAC company in and near San Rafael is Hassler Heating and Air Conditioning, LLC (score 86, 4.9 stars from 742 Google reviews). 14 companies meet the 5 Star standard within about 16 miles.

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

    Hassler Heating and Air Conditioning, LLC

    4.9 · 742 Google reviewsEl Cerrito, CA27 years in business
    Free estimatesFinancing available
    86SCORE
  2. 2

    Heating And Air Experts

    5.0 · 800 Google reviewsSan Francisco, CA
    78SCORE
  3. 3

    Local Plumbing

    5.0 · 241 Google reviewsSausalito, CA
    78SCORE
  4. 4

    Burkell Plumbing Inc.

    4.9 · 480 Google reviewsSausalito, CA
    76SCORE
  5. 5

    1 Backflow Plumbing

    5.0 · 159 Google reviewsSan Francisco, CA
    76SCORE
  6. 6

    Hydroflow

    5.0 · 111 Google reviewsSan Francisco, CA
    74SCORE
  7. 7

    Honrath & Stacey Plumbing & Heating

    4.9 · 227 Google reviewsRichmond, CA
    73SCORE
  8. 8

    Aarvaks Heating & Air Conditioning, Inc.

    4.9 · 97 Google reviewsBerkeley, CA
    71SCORE
  9. 9

    SmartHome Appliances & HVAC

    4.8 · 195 Google reviewsSan Francisco, CA
    70SCORE
  10. 10

    Flow Masters Plumbing, Drain and Water Heater

    5.0 · 40 Google reviewsSan Francisco, CA
    70SCORE
  11. 11

    Lowe's Air Duct Cleaning

    4.9 · 156 Google reviewsSan Francisco, CA
    68SCORE
  12. 12

    Right Choice Air Duct Cleaners

    4.9 · 83 Google reviewsSan Francisco, CA
    68SCORE
  13. 13

    Randy's Home Services

    4.9 · 73 Google reviewsSan Francisco, CA
    66SCORE
  14. 14

    Bay Air Heating & Cooling

    5.0 · 30 Google reviews
    63SCORE

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

Compare the top 10

Top HVAC companies in San Rafael by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Hassler Heating and Air Conditioning, LLC864.974227El Cerrito
2Heating And Air Experts785.0800–San Francisco
3Local Plumbing785.0241–Sausalito
4Burkell Plumbing Inc.764.9480–Sausalito
51 Backflow Plumbing765.0159–San Francisco
6Hydroflow745.0111–San Francisco
7Honrath & Stacey Plumbing & Heating734.9227–Richmond
8Aarvaks Heating & Air Conditioning, Inc.714.997–Berkeley
9SmartHome Appliances & HVAC704.8195–San Francisco
10Flow Masters Plumbing, Drain and Water Heater705.040–San Francisco

HVAC companies in San Rafael: quick answers

Who is the highest-rated HVAC company in San Rafael, CA?

Hassler Heating and Air Conditioning, LLC has the highest 5 Star Score among HVAC companies in and near San Rafael: 86 out of 100, with a 4.9 star Google rating from 742 reviews.

How many 5 Star HVAC companies serve San Rafael?

14 HVAC companies meet our standard within about 16 miles of San Rafael: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 14 have 3,434 Google reviews between them, averaging 4.94 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 San Rafael

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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.