Skip to content
ContractorsRanked

Emergency HVAC Contractors in Martinez, CA (2026)

Top 50 of 451 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 Martinez: 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 Martinez at a glance

Top emergency HVAC contractors in Martinez at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Service Champions684.9★ (5,220)Martinez24/7
2Hometown Heating and Air Conditioning664.9★ (2,463)Concord, 5 mi away24/7
3Freschi Service Experts644.8★ (1,046)Concord, 6 mi away24/7
4Perfect Star Heating, Cooling, & Electrical644.9★ (1,255)Concord, 9 mi away24/7
5Albert Nahman Plumbing, Heating, and Cooling644.7★ (3,311)Berkeley, 14 mi away24/7
6Chill Heating and Cooling635.0★ (481)Walnut Creek, 8 mi away24/7
7Perfect Star Heating, Cooling, & Electrical634.9★ (2,331)Antioch, 16 mi away24/7
8Smart Heating and Air Conditioning634.9★ (324)Concord, 5 mi away24/7
9Galaxy Heating & Air Conditioning624.8★ (370)Pleasant Hill, 7 mi away24/7
10Stewart Heating, Plumbing and Air Conditioning624.9★ (851)Pittsburg, 14 mi away24/7

Call an emergency HVAC contractor in Martinez 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 Martinez, 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 451 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.

  12. #12 Cali HVAC

    Based in Concord, 5 mi away

    61/100CR 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

  20. #20 Ongaro & Sons

    Based in San Anselmo, 24 mi away

    60/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 762 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 762 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11 Ross Ave, San Anselmo, CA 94960
    View profile for Ongaro & Sons(415) 523-3755

  21. #21 Fuse Service

    Based in Walnut Creek, 8 mi away

    60/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 54 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1557 2nd Ave, Walnut Creek, CA 94597
    View profile for Fuse Service(925) 433-6623

  24. #24 Tyndall HVAC, Inc

    Based in Antioch, 20 mi away

    59/100CR 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 451 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 Martinez, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Fuse Service594.9★ (94)14 mi
27Advance AC Repair Service595.0★ (38)9 mi
28One Hour Heating & Air Conditioning595.0★ (26)7 mi
29Up & Above Heating and Cooling594.9★ (67)12 mi
30Local Plumbing585.0★ (211)22 mi
31Arch Plumbing Inc.584.9★ (286)23 mi
32A&B Kenmore Appliance Repair584.9★ (30)10 mi
33Alaska Refrigeration Air Conditioning & Heating Co584.9★ (130)20 mi
34Eco Systems Heating & Air Conditioning584.8★ (138)19 mi
351-888-Heat-Pumps585.0★ (45)14 mi
36Golden Comfort AC Repair & Heating585.0★ (27)11 mi
37Rooter Hero Plumbing & Air of San Lorenzo584.7★ (265)23 mi
38California HVAC574.9★ (59)17 mi
39Qualtech Heating & Cooling574.7★ (87)19 mi
40Afterglow574.9★ (47)17 mi
41Comfy Heating & Air Conditioning Inc.574.8★ (111)22 mi
42O.s heating & Air Conditioning575.0★ (17)12 mi
43Fuse service575.0★ (29)15 mi
44Eco Energy Bay Area574.6★ (11)9 mi
45San Francisco Expert Heating and Air574.9★ (69)21 mi
46SOS PLUMBING, HEATING & AIR564.0★ (3)3 mi
47Finest heating & Air walnut creek565.0★ (9)10 mi
48AirFlow HVAC Experts565.0★ (29)18 mi
49Smart Air Experts562.9★ (7)5 mi
50Alameda Island Heating & Air Conditioning LLC565.0★ (32)19 mi

How we ranked emergency HVAC contractors in Martinez

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 Martinez: questions

Which HVAC contractors in Martinez are open 24/7?

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

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

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

How are emergency HVAC contractors in Martinez 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 Martinez

  1. October 2026: CR Scores recalculated for 451 hvac contractors serving Martinez.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages