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Emergency HVAC Contractors in Concord, CA (2026)

Top 50 of 456 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 Concord: 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 Concord at a glance

Top emergency HVAC contractors in Concord at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Service Champions674.9★ (5,220)Martinez, 4 mi away24/7
2Hometown Heating and Air Conditioning674.9★ (2,463)Concord24/7
3Perfect Star Heating, Cooling, & Electrical664.9★ (1,255)Concord24/7
4Freschi Service Experts664.8★ (1,046)Concord24/7
5Perfect Star Heating, Cooling, & Electrical654.9★ (2,331)Antioch, 11 mi away24/7
6Chill Heating and Cooling645.0★ (481)Walnut Creek, 3 mi away24/7
7Smart Heating and Air Conditioning644.9★ (324)Concord24/7
8Stewart Heating, Plumbing and Air Conditioning644.9★ (851)Pittsburg, 8 mi away24/7
9Galaxy Heating & Air Conditioning634.8★ (370)Pleasant Hill, 3 mi away24/7
10Albert Nahman Plumbing, Heating, and Cooling634.7★ (3,311)Berkeley, 16 mi away24/7

Call an emergency HVAC contractor in Concord 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 Concord, 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 456 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 Concord

    #1 Service Champions

    Based in Martinez, 4 mi away

    67/100CR 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

  12. #12 Cali HVAC

    Based in Concord

    63/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 97 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1717 Solano Way STE 2, Concord, CA 94520
    View profile for Cali HVAC(925) 775-5557

  16. #16 Service Champions

    Based in Livermore, 24 mi away

    62/100CR Score

    Ranked #16 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

  18. #18 Service Champions

    Based in Pleasanton, 20 mi away

    62/100CR Score

    Ranked #18 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

  24. #24 Tyndall HVAC, Inc

    Based in Antioch, 14 mi away

    61/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 292 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2825 Mayflower Dr, Antioch, CA 94531
    View profile for Tyndall HVAC, Inc(925) 215-7792

Top 50 of 456 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 Concord, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Fuse Service604.9★ (54)4 mi
27Up & Above Heating and Cooling604.9★ (67)7 mi
28One Hour Heating & Air Conditioning605.0★ (26)3 mi
29Service Experts Heating & Air Conditioning604.9★ (920)25 mi
30A&B Kenmore Appliance Repair594.9★ (30)5 mi
31Eco Systems Heating & Air Conditioning594.8★ (138)14 mi
32Service Hero Plumbing & Air594.5★ (1,252)24 mi
33Bell Brothers Plumbing Heating & Air - Hayward594.7★ (863)25 mi
34Alaska Refrigeration Air Conditioning & Heating Co594.9★ (130)17 mi
35Fuse HVACR & Electrical595.0★ (7)In Concord
36Double R Heating & Air Conditioning594.9★ (174)19 mi
37Qualtech Heating & Cooling584.7★ (87)14 mi
38Rooter Hero Plumbing & Air of San Lorenzo584.7★ (265)20 mi
39One Hour Heating & Air Conditioning583.3★ (18)In Concord
40Albert Nahman Plumbing, Heating, and Cooling584.6★ (474)23 mi
41Fuse service585.0★ (29)11 mi
42Fuse Service584.9★ (94)18 mi
43AIS Heating & Air Conditioning585.0★ (172)23 mi
44Art of Comfort585.0★ (153)23 mi
45Bell Brothers Plumbing Heating & Air - Concord584.0★ (4)In Concord
46JJ Heating and Air Conditioning Co584.8★ (155)21 mi
47Cali Climate Mechanical Heating and Cooling584.7★ (72)16 mi
48Smart Air Experts582.9★ (7)In Concord
49Eco Energy Bay Area584.6★ (11)5 mi
501-888-Heat-Pumps575.0★ (45)16 mi

How we ranked emergency HVAC contractors in Concord

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 Concord: questions

Which HVAC contractors in Concord are open 24/7?

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

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

Service Champions is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Concord 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 Concord

  1. October 2026: CR Scores recalculated for 456 hvac contractors serving Concord.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages