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Emergency HVAC Contractors in Moraga, CA (2026)

Top 50 of 616 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 Moraga: Service Champions, 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 Moraga at a glance

Top emergency HVAC contractors in Moraga at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Service Champions654.9★ (5,220)Martinez, 12 mi away24/7
2Albert Nahman Plumbing, Heating, and Cooling654.7★ (3,311)Berkeley, 8 mi away24/7
3Chill Heating and Cooling645.0★ (1,017)San Ramon, 9 mi away24/7
4Hometown Heating and Air Conditioning644.9★ (2,463)Concord, 13 mi away24/7
5Perfect Star Heating, Cooling, & Electrical644.9★ (1,255)Concord, 11 mi away24/7
6Jazz Heating, Air Conditioning and Plumbing634.9★ (3,438)Pleasanton, 17 mi away24/7
7Chill Heating and Cooling635.0★ (481)Walnut Creek, 8 mi away24/7
8Comfy Heating & Air Conditioning634.9★ (602)Danville, 8 mi away24/7
9Service Champions634.8★ (2,337)Pleasanton, 15 mi away24/7
10Service Champions634.9★ (4,721)Livermore, 21 mi away24/7

Call an emergency HVAC contractor in Moraga 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 Moraga, 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 616 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 Moraga

    #1 Service Champions

    Based in Martinez, 12 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews.

    • 4.9★ from 5,220 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    261 Arthur Rd, Martinez, CA 94553
    View profile for Service Champions(925) 281-0532

  9. #9 Service Champions

    Based in Pleasanton, 15 mi away

    63/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,337 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7020 Commerce Dr, Pleasanton, CA 94588
    View profile for Service Champions(925) 248-3458

  10. #10 Service Champions

    Based in Livermore, 21 mi away

    63/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 4,721 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 4,721 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    207 Boeing Ct, Livermore, CA 94551
    View profile for Service Champions(925) 966-1366

  15. #15 Heise's Plumbing

    Based in San Francisco, 19 mi away

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 1,454 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    260 Ocean Ave, San Francisco, CA 94112
    View profile for Heise's Plumbing(415) 333-0704

Top 50 of 616 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 Moraga, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Arch Plumbing Inc.604.9★ (286)15 mi
27Bay Area Climate Control604.9★ (162)13 mi
28Comfy Heating & Air Conditioning Inc.604.8★ (111)9 mi
29Service Experts Heating & Air Conditioning604.9★ (920)23 mi
30California HVAC604.9★ (59)7 mi
31Heating And Air Experts - Affordable HVAC Contractor in Fremont, California605.0★ (761)24 mi
32Fuse Service604.9★ (54)7 mi
33AC & Heating Solutions604.9★ (73)9 mi
34Villquin Air Services604.9★ (172)15 mi
35Cali HVAC605.0★ (97)12 mi
36Afterglow604.9★ (47)7 mi
37Elite Comfort Systems605.0★ (709)25 mi
38Sugar Bear Home Services604.9★ (369)20 mi
391-888-Heat-Pumps595.0★ (45)8 mi
40Cyclone Air Systems Inc594.9★ (109)13 mi
41Haddon Heating and Cooling594.3★ (410)13 mi
42AIS Heating & Air Conditioning594.9★ (723)25 mi
43Fuse Service594.9★ (94)13 mi
44Eagle Air594.9★ (549)24 mi
45Local Plumbing595.0★ (211)20 mi
46Smart Heating and Air Conditioning595.0★ (151)18 mi
47Fuse service595.0★ (29)7 mi
48Qualtech Heating & Cooling594.7★ (87)12 mi
49Art of Comfort595.0★ (153)18 mi
50JJ Heating and Air Conditioning Co594.8★ (155)17 mi

How we ranked emergency HVAC contractors in Moraga

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 Moraga: questions

Which HVAC contractors in Moraga are open 24/7?

25 on this list post 24/7 hours, including Service Champions, Albert Nahman Plumbing, Heating, and Cooling, Chill Heating and Cooling, Hometown Heating and Air Conditioning and Perfect Star Heating, Cooling, & Electrical.

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

Service Champions is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Moraga 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 Moraga

  1. October 2026: CR Scores recalculated for 616 hvac contractors serving Moraga.
  2. October 2026: 7 duplicate listings merged.

More emergency and heating and cooling pages