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Emergency HVAC Contractors in Hacienda Heights, CA (2026)

Top 50 of 1,735 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Hacienda Heights: Home Comfort USA, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency HVAC contractors in Hacienda Heights at a glance

Top emergency HVAC contractors in Hacienda Heights at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Home Comfort USA644.8★ (2,813)Anaheim, 12 mi away24/7
2Power Pro Plumbing Heating & Air644.9★ (1,582)Cerritos, 11 mi away24/7
3Service Hero Plumbing, HVAC, and Electrical644.8★ (1,506)Covina, 9 mi away24/7
4AARD Mechanical Air Conditioning & Heating634.9★ (547)Brea, 6 mi away24/7
5Absolute Airflow Air Conditioning, Heating and Plumbing634.8★ (4,319)Westminster, 17 mi away24/7
6Titan Air Conditioning634.9★ (439)Brea, 6 mi away24/7
7Veteran Air634.9★ (1,091)Anaheim, 11 mi away24/7
8Temp Air System Inc634.8★ (333)La Puente, 4 mi away24/7
9Dial One Sonshine Heating, Air & Plumbing634.9★ (2,852)Santa Ana, 18 mi away24/7
10NexGen HVAC & Plumbing634.7★ (2,250)Anaheim, 14 mi away24/7

Call an emergency HVAC contractor in Hacienda Heights now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Hacienda Heights, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 1,735 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Hacienda Heights

    #1 Home Comfort USA

    Based in Anaheim, 12 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 2,813 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,813 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1120 N Tustin Ave, Anaheim, CA 92807
    View profile for Home Comfort USA(714) 467-2932

  7. #7 Veteran Air

    Based in Anaheim, 11 mi away

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,091 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,091 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2925 E Ricker Way, Anaheim, CA 92806
    View profile for Veteran Air(714) 426-9420

  8. #8 Temp Air System Inc

    Based in La Puente, 4 mi away

    63/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 333 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 333 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15843 Amar Rd, La Puente, CA 91744
    View profile for Temp Air System Inc(626) 770-6441

  21. #21 Orange Coast Plumbing

    Based in Yorba Linda, 14 mi away

    62/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 764 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8642 Bridle Cir, Yorba Linda, CA 92886
    View profile for Orange Coast Plumbing(714) 955-4844

  23. #23 Mega Clean Air

    Based in Santa Fe Springs, 8 mi away

    62/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 223 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 223 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16033 Valley View Ave, Santa Fe Springs, CA 90670
    View profile for Mega Clean Air(714) 696-9877

  24. #24 Metz Air Control

    Based in Chino, 16 mi away

    62/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 969 Google reviews, listed on Google as “Air conditioning repair service”.

    • 4.9★ from 969 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13784 Monte Vista Ave, Chino, CA 91710
    View profile for Metz Air Control(909) 925-0513

  25. #25 Aire Serv of Pasadena

    Based in Arcadia, 11 mi away

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 394 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 394 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    125 E Santa Clara St #17, Arcadia, CA 91006
    View profile for Aire Serv of Pasadena(626) 389-8498

Top 50 of 1,735 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Hacienda Heights, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Avis Plumbing and Air624.7★ (438)9 mi
27Steve's Five Star Service624.9★ (1,292)18 mi
28Drain Right Services614.9★ (1,770)20 mi
29Power Pro Plumbing Heating & Air614.8★ (2,576)21 mi
30Downey Plumbing Heating & Air Conditioning614.7★ (467)11 mi
31Klaus & Sons Plumbing, Heating & Air Conditioning614.9★ (977)18 mi
32Ayman Ibrahim HVAC Contractor615.0★ (84)5 mi
33Accurate Comfort Air Conditioning And Heating614.9★ (135)7 mi
34Airplus of California Inc.614.9★ (1,325)21 mi
35Carter Services614.9★ (1,990)23 mi
36Rooter Hero Plumbing & Air614.8★ (802)17 mi
37Living Air Design615.0★ (76)5 mi
38AIR NOW HEATING & COOLING INC615.0★ (81)6 mi
39Monkey Wrench Plumbing, Heating, Air & Electric614.8★ (284)11 mi
40Western Air Mechanical614.9★ (251)12 mi
41Power Pro Plumbing Heating & Air614.8★ (231)10 mi
42Fast Call Service615.0★ (38)2 mi
43Adeedo Plumbing, Drains & Heating604.7★ (2,821)24 mi
44Cole Services604.7★ (684)16 mi
45Penguin Heating and Air605.0★ (144)11 mi
46Friends & Family HVAC604.9★ (1,213)23 mi
47Purified Air Heating and Air Conditioning, Inc605.0★ (251)15 mi
48Rooter Hero Plumbing & Air604.7★ (142)9 mi
49Coast Plumbing, Heating & Air, Inc.604.9★ (596)20 mi
50JustinTime Plumbing Heating and Air604.9★ (1,328)24 mi

How we ranked emergency HVAC contractors in Hacienda Heights

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Hacienda Heights: questions

Which HVAC contractors in Hacienda Heights are open 24/7?

25 on this list post 24/7 hours, including Home Comfort USA, Power Pro Plumbing Heating & Air, Service Hero Plumbing, HVAC, and Electrical, AARD Mechanical Air Conditioning & Heating and Absolute Airflow Air Conditioning, Heating and Plumbing.

Who is ranked #1 for emergency heating and cooling in Hacienda Heights, CA?

Home Comfort USA is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Hacienda Heights ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Hacienda Heights

  1. October 2026: CR Scores recalculated for 1,735 hvac contractors serving Hacienda Heights.
  2. October 2026: 10 duplicate listings merged.

More emergency and heating and cooling pages