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Best HVAC companies in Downey, CA

The highest-scoring HVAC company in and near Downey is Power Pro Plumbing Heating & Air (score 86, 4.8 stars from 2,594 Google reviews). 50 companies meet the 5 Star standard within 25 km; the top 30 are ranked below.

Last updated Sep 25, 2026How we rank
  1. 1

    Power Pro Plumbing Heating & Air

    4.8 · 2,594 Google reviewsGardena, CA24 years in business
    Free estimatesEmergency serviceFinancing available
    86SCORE
    (714) 426-9102 WebsiteFull profile
  2. 2

    American AC Heat Plumbing

    4.9 · 3,527 Google reviewsHawthorne, CA
    83SCORE
    (310) 419-8902 WebsiteFull profile
  3. 3

    Drain Right Services

    4.9 · 2,040 Google reviewsGardena, CA
    82SCORE
    (800) 208-8875 WebsiteFull profile
  4. 4

    Thomson Air Conditioning & Heating

    5.0 · 595 Google reviewsHuntington Beach, CA
    82SCORE
    (562) 201-3014 WebsiteFull profile
  5. 5

    Happy Camper Heating, Plumbing, and AC Repair

    5.0 · 550 Google reviewsWhittier, CA
    82SCORE
    (562) 667-3599 WebsiteFull profile
  6. 6

    Fast Water Heater Company

    4.9 · 1,568 Google reviewsGardena, CA
    81SCORE
    (323) 300-5665 WebsiteFull profile
  7. 7

    Downey Plumbing Heating & Air Conditioning

    4.8 · 558 Google reviewsDowney, CA96 years in business
    InsuredFamily-ownedEmergency serviceFinancing available
    81SCORE
    (562) 373-6279 WebsiteFull profile
  8. 8

    Kahuna Comfort Plumbing Heating & Air

    4.9 · 1,179 Google reviewsAnaheim, CA
    80SCORE
    (714) 406-0767 WebsiteFull profile
  9. 9

    Service Champions Plumbing, Heating & AC

    4.8 · 8,075 Google reviewsBrea, CA
    78SCORE
    (714) 584-6595 WebsiteFull profile
  10. 10

    Absolute Airflow Air Conditioning, Heating and Plumbing

    4.8 · 4,612 Google reviewsWestminster, CA
    78SCORE
    (714) 902-2214 WebsiteFull profile
  11. 11

    JW Plumbing, Heating and Air

    4.8 · 3,032 Google reviewsLos Angeles, CA
    78SCORE
    (213) 379-5931 WebsiteFull profile
  12. 12

    AARD Mechanical Air Conditioning & Heating

    4.9 · 645 Google reviewsBrea, CA
    78SCORE
    (877) 227-3125 WebsiteFull profile
  13. 13

    Smartchoice Air Conditioning, Heating, & Electrical

    4.9 · 528 Google reviewsFullerton, CA
    77SCORE
    (714) 683-0566 WebsiteFull profile
  14. 14

    Titan Air Conditioning

    4.9 · 513 Google reviewsBrea, CA
    77SCORE
    (714) 706-9987 WebsiteFull profile
  15. 15

    Greenwood Heating & Air Inc

    4.9 · 502 Google reviewsCypress, CA
    77SCORE
    (714) 821-7070 WebsiteFull profile
  16. 16

    Evolution Heating and Air Conditioning

    4.9 · 445 Google reviewsFullerton, CA
    77SCORE
    (657) 837-6010 WebsiteFull profile
  17. 17

    Spot On Heating, Air, Plumbing & Electrical

    4.9 · 545 Google reviewsWhittier, CA
    76SCORE
    (562) 270-1069 WebsiteFull profile
  18. 18

    A Plus Heating & Air Conditioning

    4.9 · 514 Google reviewsGarden Grove, CA
    76SCORE
    (714) 901-0500 WebsiteFull profile
  19. 19

    Monkey Wrench Plumbing, Heating, Air & Electric

    4.9 · 353 Google reviewsRedondo Beach, CA
    76SCORE
    (310) 889-0931 WebsiteFull profile
  20. 20

    Southwest Heating & Air Conditioning

    4.9 · 364 Google reviewsLos Angeles, CA
    75SCORE
    (310) 867-0703 WebsiteFull profile
  21. 21

    Penguin Heating and Air

    4.9 · 224 Google reviewsPlacentia, CA
    74SCORE
    (888) 668-2491 WebsiteFull profile
  22. 22

    Accurate Comfort Air Conditioning And Heating

    4.9 · 208 Google reviewsBrea, CA
    74SCORE
    (714) 325-7042 WebsiteFull profile
  23. 23

    Price Air HVAC

    5.0 · 160 Google reviewsAnaheim, CA
    74SCORE
    (714) 791-6125 WebsiteFull profile
  24. 24

    Red Lilly Plumbing

    4.8 · 616 Google reviewsLos Angeles, CA
    73SCORE
    (323) 319-4102 WebsiteFull profile
  25. 25

    Cooling & Heating Repair

    4.8 · 538 Google reviewsFullerton, CA
    73SCORE
    (310) 361-1493 WebsiteFull profile
  26. 26

    Jamison Heating & Cooling Services, Inc.

    4.8 · 405 Google reviewsFullerton, CA
    72SCORE
    (714) 397-4132 WebsiteFull profile
  27. 27

    Manny's Heating & Air Conditioning

    4.8 · 354 Google reviewsHuntington Park, CA
    72SCORE
    (323) 774-4032 WebsiteFull profile
  28. 28

    Dover Air Condition Repair & Install

    4.9 · 111 Google reviewsInglewood, CA
    71SCORE
    (424) 279-6534 WebsiteFull profile
  29. 29

    AIR NOW HEATING & COOLING INC

    5.0 · 93 Google reviewsWest Covina, CA
    InsuredBondedEmergency service
    70SCORE
    (626) 247-4968 WebsiteFull profile
  30. 30

    Avis Plumbing and Air

    4.7 · 548 Google reviewsFullerton, CA
    69SCORE
    (657) 571-3861 WebsiteFull profile

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

Compare the top 10

Top HVAC companies in Downey by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Power Pro Plumbing Heating & Air864.82,59424Gardena
2American AC Heat Plumbing834.93,527–Hawthorne
3Drain Right Services824.92,040–Gardena
4Thomson Air Conditioning & Heating825.0595–Huntington Beach
5Happy Camper Heating, Plumbing, and AC Repair825.0550–Whittier
6Fast Water Heater Company814.91,568–Gardena
7Downey Plumbing Heating & Air Conditioning814.855896Downey
8Kahuna Comfort Plumbing Heating & Air804.91,179–Anaheim
9Service Champions Plumbing, Heating & AC784.88,075–Brea
10Absolute Airflow Air Conditioning, Heating and Plumbing784.84,612–Westminster

HVAC companies in Downey: quick answers

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

Power Pro Plumbing Heating & Air has the highest 5 Star Score among HVAC companies in and near Downey: 86 out of 100, with a 4.8 star Google rating from 2,594 reviews.

How many 5 Star HVAC companies serve Downey?

50 HVAC companies meet our standard within 25 km of Downey: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 35,996 Google reviews between them, averaging 4.88 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.