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Emergency HVAC Contractors in Pasadena, CA (2026)

Top 50 of 1,666 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 Pasadena: JW Plumbing, Heating and Air, 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 Pasadena at a glance

Top emergency HVAC contractors in Pasadena at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1JW Plumbing, Heating and Air644.8★ (2,541)Los Angeles, 10 mi away24/7
2Purified Air Heating and Air Conditioning, Inc645.0★ (251)Pasadena24/7
3Brody Pennell Heating & Air Conditioning644.9★ (4,606)Los Angeles, 16 mi away24/7
4Aire Serv of Pasadena634.9★ (394)Arcadia, 7 mi away24/7
5American AC Heat Plumbing634.9★ (3,299)Hawthorne, 19 mi away24/7
6Most Valuable Plumber634.8★ (142)Pasadena24/7
7Precise Air Systems Inc.634.9★ (434)Los Angeles, 8 mi away24/7
8Dr Air Conditioning And Heating625.0★ (94)Pasadena24/7
9Monkey Wrench Plumbing, Heating, Air & Electric624.9★ (275)Glendale, 6 mi away24/7
10Service Hero Plumbing, HVAC, and Electrical624.8★ (1,506)Covina, 16 mi away24/7

Call an emergency HVAC contractor in Pasadena 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 Pasadena, 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 1,666 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.

  14. #14 Kahn Air Conditioning

    Based in Van Nuys, 19 mi away

    62/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,583 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,583 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15073 Keswick St, Van Nuys, CA 91405
    View profile for Kahn Air Conditioning(818) 619-0740

  19. #19 Drain Right Services

    Based in Gardena, 21 mi away

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,770 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,770 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    18012 S Figueroa St, Gardena, CA 90248
    View profile for Drain Right Services(800) 208-8875

  22. #22 Carter Services

    Based in Torrance, 24 mi away

    61/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 1,990 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,990 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2807 Oregon Ct F3, Torrance, CA 90503
    View profile for Carter Services(310) 807-3426

  23. #23 Mor Air

    Based in North Hollywood, 15 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 295 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 295 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11661 Saticoy St, North Hollywood, CA 91605
    View profile for Mor Air(818) 287-0457

Top 50 of 1,666 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 Pasadena, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Joe's Heating & Air Conditioning Pasadena605.0★ (26)In Pasadena
27Los Angeles ❄️ Air Conditioning Service604.9★ (132)9 mi
28LC Heating & Air Conditioning605.0★ (197)13 mi
29Manny's Heating & Air Conditioning604.9★ (183)12 mi
30Temp Air System Inc604.8★ (333)14 mi
31Downey Plumbing Heating & Air Conditioning604.7★ (467)15 mi
32Service Champions Plumbing, Heating & AC604.9★ (667)20 mi
33Complete Heating & AC Repair Pasadena604.8★ (24)In Pasadena
34Alpha Air Conditioning & Heating605.0★ (136)12 mi
35ASH Purification Heating and Air Conditioning604.9★ (51)5 mi
36Fast Cool & Heat Inc.605.0★ (306)17 mi
37Best HVAC604.7★ (59)4 mi
38Los Angeles HVAC Repair604.9★ (96)9 mi
39Ron's Heating & Air Conditioning Pasadena605.0★ (20)In Pasadena
40Turbo Plus Appliance Repair Service605.0★ (80)9 mi
41Ace Pelizon Plumbing, Heating & Cooling604.7★ (426)15 mi
42Hammond Heating & AC Repair Pasadena605.0★ (26)2 mi
43HVAC Contractor - American Cool and Heat604.9★ (61)7 mi
44AARD Mechanical Air Conditioning & Heating604.9★ (547)20 mi
45Blueberry Air605.0★ (140)13 mi
46C&M Air Conditioning And Heating Inc605.0★ (47)7 mi
47Los Angeles Air Department604.9★ (399)18 mi
48Monkey Wrench Plumbing, Heating, Air & Electric604.8★ (269)In Pasadena
49Orange Coast Plumbing605.0★ (276)18 mi
50Purified air heating and Air Conditioning Inc605.0★ (100)11 mi

How we ranked emergency HVAC contractors in Pasadena

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 Pasadena: questions

Which HVAC contractors in Pasadena are open 24/7?

25 on this list post 24/7 hours, including JW Plumbing, Heating and Air, Purified Air Heating and Air Conditioning, Inc, Brody Pennell Heating & Air Conditioning, Aire Serv of Pasadena and American AC Heat Plumbing.

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

JW Plumbing, Heating and Air is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Pasadena 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 Pasadena

  1. October 2026: CR Scores recalculated for 1,666 hvac contractors serving Pasadena.
  2. October 2026: 9 duplicate listings merged.

More emergency and heating and cooling pages