Skip to content
ContractorsRanked

Emergency HVAC Contractors in San Pablo, CA (2026)

Top 50 of 445 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 Pablo: 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 San Pablo at a glance

Top emergency HVAC contractors in San Pablo at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Service Champions654.9★ (5,220)Martinez, 14 mi away24/7
2Albert Nahman Plumbing, Heating, and Cooling654.7★ (3,311)Berkeley, 9 mi away24/7
3Hometown Heating and Air Conditioning634.9★ (2,463)Concord, 17 mi away24/7
4Ongaro & Sons634.9★ (762)San Anselmo, 12 mi away24/7
5Heise's Plumbing624.9★ (1,454)San Francisco, 17 mi away24/7
6Cabrillo Plumbing, Heating & Air624.9★ (966)San Francisco, 16 mi away24/7
7Bellows Plumbing, Heating, Cooling & Electrical624.9★ (480)Novato, 13 mi away24/7
8Perfect Star Heating, Cooling, & Electrical624.9★ (1,255)Concord, 19 mi away24/7
9Fuse Service614.9★ (94)Richmond, 4 mi away24/7
10Freschi Service Experts614.8★ (1,046)Concord, 18 mi away24/7

Call an emergency HVAC contractor in San Pablo 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 Pablo, 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 445 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 Pablo

    #1 Service Champions

    Based in Martinez, 14 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

  4. #4 Ongaro & Sons

    Based in San Anselmo, 12 mi away

    63/100CR Score

    Ranked #4 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

  5. #5 Heise's Plumbing

    Based in San Francisco, 17 mi away

    62/100CR Score

    Ranked #5 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

  9. #9 Fuse Service

    Based in Richmond, 4 mi away

    61/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 94 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    173 Lakeshore Ct, Richmond, CA 94804
    View profile for Fuse Service(415) 234-1807

  11. #11 Local Plumbing

    Based in Sausalito, 10 mi away

    61/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 211 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 211 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    323 Pine St Ste. F, Sausalito, CA 94965
    View profile for Local Plumbing(415) 636-9210

  14. #14 Arch Plumbing Inc.

    Based in San Francisco, 15 mi away

    60/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 286 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 286 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    121 Quint St STE 5E, San Francisco, CA 94124
    View profile for Arch Plumbing Inc.(415) 325-2547

  20. #20 1-888-Heat-Pumps

    Based in Berkeley, 9 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 45 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1826 Prince St, Berkeley, CA 94703
    View profile for 1-888-Heat-Pumps(888) 432-8786

  23. #23 Cali HVAC

    Based in Concord, 16 mi away

    59/100CR Score

    Ranked #23 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

Top 50 of 445 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 Pablo, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Advance AC Repair Service585.0★ (38)11 mi
27California HVAC584.9★ (59)14 mi
28Afterglow584.9★ (47)13 mi
29Cyclone Air Systems Inc584.9★ (109)19 mi
30Albert Nahman Plumbing, Heating, and Cooling584.6★ (474)24 mi
31Estes Refrigeration, Inc.584.0★ (10)3 mi
32Rooter Hero Plumbing & Air of San Lorenzo584.7★ (265)23 mi
33Fuse Service584.9★ (54)16 mi
34Alaska Refrigeration Air Conditioning & Heating Co584.9★ (130)22 mi
35Temescal AC Repair575.0★ (62)18 mi
36Comfy Heating & Air Conditioning Inc.574.8★ (111)20 mi
37Bay Area Climate Control574.9★ (162)25 mi
38EHC HEATING AND COOLING574.7★ (55)16 mi
39Palma Super Cold HVAC575.0★ (8)6 mi
40AC & Heating Solutions574.9★ (73)20 mi
41Green Air Heating and Air Conditioning, Inc.574.6★ (69)17 mi
42Five Or Free Electrical Heating & Air Solutions574.8★ (219)11 mi
43Eco Systems Heating & Air Conditioning574.8★ (138)23 mi
44Inner Sunset Top Heating and Air575.0★ (30)16 mi
45Rooter Hero Plumbing & Air of San Leandro574.8★ (36)15 mi
46One Hour Heating & Air Conditioning565.0★ (26)16 mi
47Galaxy Heating & Air Conditioning564.7★ (25)15 mi
48Climate Source HVAC/R LLC564.9★ (29)17 mi
49A.L.B HVAC refrigeration service564.7★ (12)12 mi
50BV Mechanical Services LLC.565.0★ (5)8 mi

How we ranked emergency HVAC contractors in San Pablo

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 Pablo: questions

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

25 on this list post 24/7 hours, including Service Champions, Albert Nahman Plumbing, Heating, and Cooling, Hometown Heating and Air Conditioning, Ongaro & Sons and Heise's Plumbing.

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

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

How are emergency HVAC contractors in San Pablo 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 Pablo

  1. October 2026: CR Scores recalculated for 445 hvac contractors serving San Pablo.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages