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Emergency HVAC Contractors in San Clemente, CA (2026)

Top 50 of 381 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 San Clemente: Triton 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 San Clemente at a glance

Top emergency HVAC contractors in San Clemente at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Triton Air684.9★ (3,766)San Clemente24/7
2NexGen HVAC & Plumbing644.8★ (3,589)Laguna Hills, 15 mi away24/7
3Orange Coast Plumbing645.0★ (490)Dana Point, 7 mi away24/7
4Air Care645.0★ (1,350)Rancho Santa Margarita, 14 mi away24/7
5SoCal Airflow Pros634.9★ (1,005)Rancho Santa Margarita, 14 mi away24/7
6Just Right Services624.9★ (846)Laguna Hills, 15 mi away24/7
7Triton Air & Plumbing624.8★ (1,069)Lake Forest, 17 mi away24/7
8DC Plumbing Heating and Air Conditioning624.7★ (57)San Clemente24/7
9John Stevenson Plumbing, Heating & Air Conditioning624.9★ (680)Lake Forest, 17 mi away24/7
10Williams & Sons HVAC624.9★ (74)Dana Point, 3 mi away24/7

Call an emergency HVAC contractor in San Clemente 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 San Clemente, 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 381 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 San Clemente

    #1 Triton Air

    Based in San Clemente

    68/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 3,766 Google reviews.

    • 4.9★ from 3,766 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1221 Puerta Del Sol Ste 300, San Clemente, CA 92673
    View profile for Triton Air(949) 409-6123

  2. #2 NexGen HVAC & Plumbing

    Based in Laguna Hills, 15 mi away

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 3,589 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,589 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    23221 Peralta Dr Ste C, Laguna Hills, CA 92653
    View profile for NexGen HVAC & Plumbing(949) 763-5979

  4. #4 Air Care

    Based in Rancho Santa Margarita, 14 mi away

    64/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,350 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    30211 Avenida de las Banderas #200, Rancho Santa Margarita, CA 92688
    View profile for Air Care(949) 446-1606

  5. #5 SoCal Airflow Pros

    Based in Rancho Santa Margarita, 14 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,005 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,005 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    29816 Avenida de las Banderas, Rancho Santa Margarita, CA 92688
    View profile for SoCal Airflow Pros(949) 393-0434

  6. #6 Just Right Services

    Based in Laguna Hills, 15 mi away

    62/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 846 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 846 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    23482 Peralta Dr Suite C, Laguna Hills, CA 92653
    View profile for Just Right Services(949) 390-5323

  7. #7 Triton Air & Plumbing

    Based in Lake Forest, 17 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,069 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,069 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    25652 Commercentre Dr, Lake Forest, CA 92630
    View profile for Triton Air & Plumbing(949) 259-6132

  10. #10 Williams & Sons HVAC

    Based in Dana Point, 3 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 74 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2633 Camino De Estrella, Dana Point, CA 92624
    View profile for Williams & Sons HVAC(949) 710-2300

  14. #14 Phenix Heating and Air

    Based in San Juan Capistrano, 6 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 59 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    32302 Alipaz St, San Juan Capistrano, CA 92675
    View profile for Phenix Heating and Air(949) 710-3620

  15. #15 Fuse Service

    Based in Rancho Santa Margarita, 15 mi away

    60/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 211 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 211 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    198 Vía Vicini, Rancho Santa Margarita, CA 92688
    View profile for Fuse Service(949) 998-5228

  22. #22 J.L. Quality Heating & Air

    Based in Rancho Santa Margarita, 14 mi away

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 89 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    23091 Antonio Pkwy #325, Rancho Santa Margarita, CA 92688
    View profile for J.L. Quality Heating & Air(949) 482-8842

Top 50 of 381 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 San Clemente, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Lake Forest Cooling Z Heating and Air595.0★ (69)15 mi
27GlobalTech594.9★ (34)10 mi
28Mission Viejo Heating and Air Conditioning594.9★ (39)12 mi
29South County Air Services585.0★ (193)23 mi
30Affordable Heating and Air Conditioning LLC585.0★ (235)25 mi
31Andrus Plumbing & Heating Inc584.9★ (35)12 mi
32Finishline Air Conditioning & Heating585.0★ (76)18 mi
33Omni Heating and Air584.9★ (196)23 mi
34Morrison Mechanical Heating & Air Conditioning Services585.0★ (123)21 mi
35Positive Plumbing, Heating & AC Repair584.9★ (131)21 mi
36Fire-N-Ice584.9★ (222)24 mi
37Coastline Comfort Systems - Heating and Cooling585.0★ (67)18 mi
38Miller & Sons Home HVAC584.8★ (82)18 mi
39Mission HVAC Repair San Juan Capistrano585.0★ (9)6 mi
40First Class Comfort HVAC585.0★ (29)13 mi
41Hayes Brothers HVAC LLC584.8★ (101)19 mi
42Authority Plumbing, Heating and Air585.0★ (173)25 mi
43ProFlo Air Conditioning, Heating & Plumbing584.9★ (113)21 mi
44True North Heating & Air584.9★ (63)18 mi
45American Plumbing Heating & Air Conditioning584.7★ (237)24 mi
46Rea's Air Conditioning And Heating, Inc.585.0★ (131)24 mi
47Rooter Hero Plumbing & Air of Costa Mesa584.9★ (143)24 mi
48Phoenix Air Conditioning & Heating574.9★ (34)15 mi
49Vets for You Plumbing574.7★ (127)21 mi
50Coastal AC Repair Dana Point575.0★ (7)8 mi

How we ranked emergency HVAC contractors in San Clemente

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 San Clemente: questions

Which HVAC contractors in San Clemente are open 24/7?

25 on this list post 24/7 hours, including Triton Air, NexGen HVAC & Plumbing, Orange Coast Plumbing, Air Care and SoCal Airflow Pros.

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

Triton Air is #1, with a CR Score of 68 out of 100 on emergency weights.

How are emergency HVAC contractors in San Clemente 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 San Clemente

  1. October 2026: CR Scores recalculated for 381 hvac contractors serving San Clemente.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages