Best HVAC companies in Laguna Hills, CA

The highest-scoring HVAC company in and near Laguna Hills is JustinTime Plumbing Heating and Air (score 88, 4.9 stars from 1,590 Google reviews). 37 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

    JustinTime Plumbing Heating and Air

    4.9 · 1,590 Google reviewsCosta Mesa, CA22 years in business

    JustinTime Plumbing Heating and Air serves residential, commercial, and industrial clients in Costa Mesa and throughout Orange County. The company has provided plumbing, heating, and air services since 2004 and states…

    Financing availableEmergency service
    88SCORE
  2. 2

    Air Care Heating and Air Conditioning

    5.0 · 1,633 Google reviewsRancho Santa Margarita, CA
    InsuredFree estimatesEmergency service
    85SCORE
  3. 3

    1st Choice Heating & Air Conditioning, Inc.

    5.0 · 1,074 Google reviewsMission Viejo, CA

    1st Choice Heating & Air Conditioning, Inc. provides residential heating and cooling services in Mission Viejo and surrounding Orange County. The company repairs, installs, replaces, and maintains furnaces, and it wor…

    Emergency service
    84SCORE
  4. 4

    Mission Viejo Heating & Air

    5.0 · 1,025 Google reviewsLake Forest, CA

    Mission Viejo Heating & Air is a full-service HVAC company serving homes and businesses in Lake Forest, Mission Viejo, and the greater Orange County area. The local, family-owned and operated company handles air condi…

    Financing available
    84SCORE
  5. 5

    Apex heating and air conditioning

    5.0 · 437 Google reviewsLaguna Hills, CA

    Apex Heating and Air Conditioning is a locally owned, family-operated HVAC company serving Orange County. The company repairs, installs, and maintains heating and air conditioning equipment, including furnaces and AC…

    81SCORE
  6. 6

    Saddleback Plumbing Heating & Air

    4.8 · 768 Google reviewsLake Forest, CA45 years in business
    Emergency serviceFinancing available
    80SCORE
  7. 7

    Irvine Air Conditioning & Refrigeration

    5.0 · 326 Google reviewsIrvine, CA
    80SCORE
  8. 8

    One Season Heating and Air Conditioning

    5.0 · 301 Google reviewsIrvine, CA
    79SCORE
  9. 9

    Air Blue HVAC

    5.0 · 387 Google reviewsSanta Ana, CA
    78SCORE
  10. 10

    South County Air Services

    5.0 · 260 Google reviewsTustin, CA
    78SCORE
  11. 11

    Lewis Air Services

    4.9 · 891 Google reviewsRancho Santa Margarita, CA
    76SCORE
  12. 12

    Coastal Heating and Cooling

    4.9 · 415 Google reviewsMission Viejo, CA
    76SCORE
  13. 13

    Klondike Air Conditioning & Heating

    4.9 · 393 Google reviewsCosta Mesa, CA
    76SCORE
  14. 14

    True Home Heating & Air Conditioning

    4.8 · 968 Google reviewsLaguna Hills, CA
    75SCORE
  15. 15

    MAYDAY Heating and Air Conditioning Irvine

    4.9 · 348 Google reviewsIrvine, CA
    75SCORE
  16. 16

    John Stevenson Plumbing, Heating & Air Conditioning

    4.8 · 812 Google reviewsLake Forest, CA
    74SCORE
  17. 17

    Comfort Air

    4.9 · 157 Google reviewsLake Forest, CA
    73SCORE
  18. 18

    Airotech

    5.0 · 98 Google reviewsIrvine, CA
    73SCORE
  19. 19

    Just Right Services Plumbing, Heating and Air Conditioning

    4.9 · 1,057 Google reviewsLaguna Hills, CA
    72SCORE
  20. 20

    Real Time Bros

    4.8 · 410 Google reviewsTustin, CA
    72SCORE
  21. 21

    Universal Plumbing, Heating, and Air

    4.8 · 323 Google reviewsTustin, CA
    72SCORE
  22. 22

    Positive Plumbing, Heating & AC Repair

    4.9 · 167 Google reviewsIrvine, CA
    71SCORE
  23. 23

    Pristine Air Conditioning, Heating & Plumbing

    4.9 · 453 Google reviewsCosta Mesa, CA
    69SCORE
  24. 24

    AC Cool, Inc.

    5.0 · 398 Google reviews
    67SCORE
  25. 25

    Fast Water Heater Company

    4.8 · 207 Google reviews
    67SCORE
  26. 26

    JP Heating and Cooling

    5.0 · 43 Google reviewsSanta Ana, CA
    67SCORE
  27. 27

    One Hour Heating & Air Conditioning of Mission Viejo

    4.9 · 163 Google reviewsMission Viejo, CA
    66SCORE
  28. 28
    66SCORE
  29. 29

    Pro West Mechanical

    4.9 · 127 Google reviewsTustin, CA
    65SCORE
  30. 30

    BTC HVAC SYSTEM

    5.0 · 67 Google reviews
    65SCORE

Compare the top 10

Top HVAC companies in Laguna Hills by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1JustinTime Plumbing Heating and Air884.91,59022Costa Mesa
2Air Care Heating and Air Conditioning855.01,633–Rancho Santa Margarita
31st Choice Heating & Air Conditioning, Inc.845.01,074–Mission Viejo
4Mission Viejo Heating & Air845.01,025–Lake Forest
5Apex heating and air conditioning815.0437–Laguna Hills
6Saddleback Plumbing Heating & Air804.876845Lake Forest
7Irvine Air Conditioning & Refrigeration805.0326–Irvine
8One Season Heating and Air Conditioning795.0301–Irvine
9Air Blue HVAC785.0387–Santa Ana
10South County Air Services785.0260–Tustin

HVAC companies in Laguna Hills: quick answers

Who is the highest-rated HVAC company in Laguna Hills, CA?

JustinTime Plumbing Heating and Air has the highest 5 Star Score among HVAC companies in and near Laguna Hills: 88 out of 100, with a 4.9 star Google rating from 1,590 reviews.

How many 5 Star HVAC companies serve Laguna Hills?

37 HVAC companies meet our standard within about 16 miles of Laguna Hills: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 15,346 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.

HVAC companies near Laguna Hills

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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.