Best HVAC companies in El Cajon, CA

The highest-scoring HVAC company in and near El Cajon is West Coast Heating Air Solar Plumbing (score 95, 5.0 stars from 2,677 Google reviews). 68 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

    West Coast Heating Air Solar Plumbing

    5.0 · 2,677 Google reviewsEl Cajon, CA30 years in business

    West Coast Heating Air Solar Plumbing has served San Diego County homeowners since 1996. The company provides air conditioning, heating, heat pump, ductless mini-split, indoor air quality, home automation zoning, sola…

    Financing available
    95SCORE
  2. 2

    United Plumbing Heating Air & Electric

    4.9 · 1,801 Google reviewsSan Diego, CA50 years in business

    United Plumbing Heating Air & Electric provides electrical, plumbing, heating, air conditioning, solar, and water damage services in San Diego. Serving the area since 1976, the licensed and insured multi-trade contrac…

    Emergency service
    89SCORE
  3. 3

    Guthrie & Sons Heating, Air and Solar

    4.9 · 1,716 Google reviewsSan Diego, CA21 years in business

    Guthrie & Sons Heating, Air and Solar provides residential and commercial heating, cooling, indoor air quality, and solar services across San Diego County. The family-owned company has operated since 2005 and offers a…

    Financing available
    89SCORE
  4. 4

    Bob Jenson

    4.9 · 1,588 Google reviewsSan Diego, CA49 years in business

    Bob Jenson provides air conditioning, heating, plumbing, and indoor air quality services in San Diego and surrounding areas. The site says the company has kept San Diego cool since 1977 and describes it as locally own…

    Financing availableEmergency service
    88SCORE
  5. 5

    Bill Howe Plumbing, Heating & Air, Restoration & Flood Services

    4.8 · 6,058 Google reviewsSan Diego, CA46 years in business

    Bill Howe Plumbing, Heating & Air, Restoration & Flood Services is a family-owned and operated company serving homes and businesses across San Diego County. Serving the area since 1980, the company provides plumbing,…

    InsuredFamily-ownedFree estimatesEmergency service
    86SCORE
  6. 6

    Blue Diamond Heating & Air

    5.0 · 925 Google reviewsEl Cajon, CA

    Blue Diamond Heating & Air provides HVAC service for homes and businesses in San Diego and surrounding areas. Its work includes air conditioning repair and installation, heating repair and installation, air duct repai…

    Financing available
    83SCORE
  7. 7

    EZ Breezy Heating & Air

    5.0 · 604 Google reviewsSan Diego, CA

    EZ Breezy Heating & Air is a family-owned HVAC company serving San Diego. Its services include air conditioning repair, installation, and maintenance, along with heat pump and ductless mini-split installation. The com…

    Financing availableEmergency service
    82SCORE
  8. 8

    Comfort Bros Heating Air Plumbing & Electrical

    4.9 · 1,346 Google reviewsEl Cajon, CA

    Comfort Bros Heating Air Plumbing & Electrical serves homeowners and commercial customers in El Cajon, San Diego, and surrounding areas. The family-owned company works on heating, cooling, plumbing, electrical, duct,…

    Financing available
    80SCORE
  9. 9

    One Hour Heating & Air Conditioning

    4.9 · 1,089 Google reviewsSan Diego, CA
    80SCORE
  10. 10

    Smith & Sons Heating and Air Inc.

    5.0 · 357 Google reviewsSan Diego, CA
    80SCORE
  11. 11

    Right Way Air & Heating

    5.0 · 329 Google reviewsSan Diego, CA
    80SCORE
  12. 12

    Blue Collar HVAC

    5.0 · 327 Google reviewsSpring Valley, CA
    80SCORE
  13. 13

    ASI, The White Glove Guys

    4.8 · 7,732 Google reviewsSan Diego, CA
    79SCORE
  14. 14

    Mauzy Cooling Heating Plumbing Electrical

    4.8 · 5,541 Google reviewsEl Cajon, CA
    79SCORE
  15. 15

    Airmaxx

    4.9 · 1,023 Google reviewsEl Cajon, CA
    79SCORE
  16. 16

    Maximum Comfort Heating and AC Repair

    5.0 · 283 Google reviewsAlpine, CA
    79SCORE
  17. 17

    Anderson Plumbing, Heating & Air

    4.8 · 6,612 Google reviewsSan Diego, CA
    78SCORE
  18. 18

    Build Brothers Inc.

    4.9 · 702 Google reviewsSan Diego, CA
    78SCORE
  19. 19

    Sky Clean Air

    4.9 · 690 Google reviewsSan Diego, CA
    78SCORE
  20. 20

    Friar's Plumbing Heating and AC Repair

    4.9 · 674 Google reviewsSan Diego, CA
    78SCORE
  21. 21

    Semper Solaris

    4.8 · 1,587 Google reviewsSan Diego, CA
    77SCORE
  22. 22

    Flite Mechanical Heating & Air Professionals

    5.0 · 251 Google reviewsSpring Valley, CA
    77SCORE
  23. 23

    Morey Plumbing, Heating, & Cooling, Inc.

    5.0 · 231 Google reviewsSan Diego, CA
    77SCORE
  24. 24

    Comfort Air Conditioning & Heating

    5.0 · 193 Google reviewsSan Diego, CA
    77SCORE
  25. 25

    Western Mechanical HVAC

    5.0 · 177 Google reviewsLakeside, CA
    77SCORE
  26. 26

    Elite Heating & Air Conditioning Services

    5.0 · 160 Google reviewsSantee, CA
    77SCORE
  27. 27

    Air Pro Heating & Air

    4.9 · 401 Google reviewsChula Vista, CA
    76SCORE
  28. 28

    Carini Home Services

    4.8 · 1,131 Google reviewsSan Diego, CA
    75SCORE
  29. 29

    Allegiance Heating & Air Conditioning Inc

    4.9 · 437 Google reviewsSantee, CA
    75SCORE
  30. 30

    Hurn Mechanical Heating & Cooling

    4.9 · 402 Google reviewsEl Cajon, CA
    75SCORE

Compare the top 10

Top HVAC companies in El Cajon by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1West Coast Heating Air Solar Plumbing955.02,67730El Cajon
2United Plumbing Heating Air & Electric894.91,80150San Diego
3Guthrie & Sons Heating, Air and Solar894.91,71621San Diego
4Bob Jenson884.91,58849San Diego
5Bill Howe Plumbing, Heating & Air, Restoration & Flood Services864.86,05846San Diego
6Blue Diamond Heating & Air835.0925–El Cajon
7EZ Breezy Heating & Air825.0604–San Diego
8Comfort Bros Heating Air Plumbing & Electrical804.91,346–El Cajon
9One Hour Heating & Air Conditioning804.91,089–San Diego
10Smith & Sons Heating and Air Inc.805.0357–San Diego

HVAC companies in El Cajon: quick answers

Who is the highest-rated HVAC company in El Cajon, CA?

West Coast Heating Air Solar Plumbing has the highest 5 Star Score among HVAC companies in and near El Cajon: 95 out of 100, with a 5.0 star Google rating from 2,677 reviews.

How many 5 Star HVAC companies serve El Cajon?

68 HVAC companies meet our standard within about 16 miles of El Cajon: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 47,044 Google reviews between them, averaging 4.92 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.