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Best HVAC Contractors in San Pablo, CA (2026)

445 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in San Pablo: Service Champions, CR Score 93/100; 4.9★ from 5,220 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Albert Nahman Plumbing, Heating, and Cooling, posts 24/7 hours; ranked #2 of 445.

  3. 2

    Most-reviewed: Albert Nahman Plumbing, Heating, and Cooling, 3,311 Google reviews at 4.7★, the most of 445 ranked after Service Champions; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

445 San Pablo HVAC contractors are ranked here by CR Score, from 8 published factors. 94 are open 24/7, 257 open Saturdays and 195 open Sundays, based on posted hours. The median Google rating is 4.9★ across 445 rated businesses.

Top 10 HVAC contractors in San Pablo at a glance

Top 10 HVAC contractors in San Pablo at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Service Champions934.9★ (5,220)Martinez, 14 mi away24/7Overall
2Albert Nahman Plumbing, Heating, and Cooling924.7★ (3,311)Berkeley, 9 mi away24/7Emergencies, Most reviews
3Hometown Heating and Air Conditioning914.9★ (2,463)Concord, 17 mi away24/7—
4Ongaro & Sons904.9★ (762)San Anselmo, 12 mi away24/7—
5Heise's Plumbing904.9★ (1,454)San Francisco, 17 mi away24/7—
6Cabrillo Plumbing, Heating & Air904.9★ (966)San Francisco, 16 mi away24/7—
7Bellows Plumbing, Heating, Cooling & Electrical894.9★ (480)Novato, 13 mi away24/7—
8Chill Heating and Cooling895.0★ (481)Walnut Creek, 16 mi away24/7—
9Local Plumbing895.0★ (211)Sausalito, 10 mi away24/7—
10Perfect Star Heating, Cooling, & Electrical894.9★ (1,255)Concord, 19 mi away24/7—

The 445 best HVAC contractors in San Pablo, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in San Pablo

    Based in Martinez, 14 mi away

    93/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most Google reviews on this list (5,220).

    • 4.9★ from 5,220 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    261 Arthur Rd, Martinez, CA 94553
  2. Based in San Anselmo, 12 mi away

    90/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 762 Google reviews, open 24/7.

    • 4.9★ from 762 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11 Ross Ave, San Anselmo, CA 94960
  3. Based in San Francisco, 17 mi away

    90/100CR Score

    Ranked #5 because of its Google rating and availability: 4.9★ from 1,454 Google reviews, open 24/7.

    • 4.9★ from 1,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    260 Ocean Ave, San Francisco, CA 94112
  4. Based in Sausalito, 10 mi away

    89/100CR Score

    Ranked #9 because of its Google rating and availability: 5.0★ from 211 Google reviews, open 24/7.

    • 5.0★ from 211 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    323 Pine St Ste. F, Sausalito, CA 94965
  5. Based in Richmond, 4 mi away

    89/100CR Score

    Ranked #11 because of its Google rating and availability: 4.9★ from 94 Google reviews, open 24/7.

    • 4.9★ from 94 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    173 Lakeshore Ct, Richmond, CA 94804
  6. Based in San Francisco, 15 mi away

    88/100CR Score

    Ranked #14 because of its Google rating and availability: 4.9★ from 286 Google reviews, open 24/7.

    • 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
  7. Based in Berkeley, 9 mi away

    86/100CR Score

    Ranked #20 because of its Google rating and availability: 5.0★ from 45 Google reviews, open 24/7.

    • 5.0★ from 45 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1826 Prince St, Berkeley, CA 94703

HVAC contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 445 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in San Pablo, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Alameda Island Heating & Air Conditioning LLC855.0★ (32)10 mi
27Cyclone Air Systems Inc854.9★ (109)19 mi
28Afterglow854.9★ (47)13 mi
29Hassler Heating and Air Conditioning, LLC854.9★ (418)3 mi
30Breathable854.9★ (200)12 mi
31Elevated Comfort855.0★ (90)9 mi
32Alaska Refrigeration Air Conditioning & Heating Co854.9★ (130)22 mi
33Fuse Service854.9★ (54)16 mi
34Bay Area Climate Control844.9★ (162)25 mi
35Next HVAC and Appliance repair844.8★ (333)14 mi
36AC & Heating Solutions844.9★ (73)20 mi
37Comfy Heating & Air Conditioning Inc.844.8★ (111)20 mi
38Rooter Hero Plumbing & Air of San Lorenzo844.7★ (265)23 mi
39Around The Clock HVAC845.0★ (207)18 mi
40Inner Sunset Top Heating and Air845.0★ (30)16 mi
41Palma Super Cold HVAC845.0★ (8)6 mi
42Albert Nahman Plumbing, Heating, and Cooling844.6★ (474)24 mi
43Peter Levi Plumbing, Heating, Cooling, Drains844.8★ (1,640)13 mi
44Estes Refrigeration, Inc.844.0★ (10)3 mi
45Eco Systems Heating & Air Conditioning834.8★ (138)23 mi
46EHC HEATING AND COOLING834.7★ (55)16 mi
47Rooter Hero Plumbing & Air of San Leandro834.8★ (36)15 mi
48Chill-Hub HVAC and Refrigeration Service834.9★ (358)20 mi
49One Hour Heating & Air Conditioning835.0★ (26)16 mi
50Temescal AC Repair835.0★ (62)18 mi

Also serving San Pablo

20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

How much do HVAC contractors cost in San Pablo?

National price ranges in USD, not adjusted for San Pablo. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in San Pablo?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in California

In California, Contractors State License Board (CSLB) licenses C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license.

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in California

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

How we ranked San Pablo HVAC contractors

We scored 445 San Pablo HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

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 fromIn San Pablo data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in San Pablo: frequently asked questions

Who is the best HVAC contractor in San Pablo?

By CR Score, the highest-ranked HVAC contractor in San Pablo, CA is Service Champions with a CR Score of 93/100. It has 4.9★ from 5,220 Google reviews. It is open 24/7. Albert Nahman Plumbing, Heating, and Cooling (#2) and Hometown Heating and Air Conditioning (#3) follow. We ranked 445 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in San Pablo?

ContractorsRanked ranks 445 HVAC contractors serving San Pablo, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

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

94 ranked HVAC contractors in San Pablo post 24/7 hours. The highest-ranked are Service Champions (#1), Albert Nahman Plumbing, Heating, and Cooling (#2) and Hometown Heating and Air Conditioning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in San Pablo work on weekends?

257 of 445 ranked HVAC contractors post Saturday hours and 195 post Sunday hours. The highest-ranked open Saturdays are Service Champions (#1), Albert Nahman Plumbing, Heating, and Cooling (#2) and Hometown Heating and Air Conditioning (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does ac replacement cost in San Pablo?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for San Pablo. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do San Pablo HVAC contractors have?

The median Google rating among 445 rated HVAC contractors in San Pablo is 4.9★, with a median of 14 reviews. Service Champions has the most, 5,220 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in San Pablo?

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

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 HVAC contractors and San Pablo pages

Other trades in San Pablo