630 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in San Leandro: Chill Heating and Cooling, CR Score 64/100; 5.0★ from 1,017 Google reviews; open 24/7.
Best for emergencies (open 24/7): Albert Nahman Plumbing, Heating, and Cooling, posts 24/7 hours; ranked #2 of 630.
Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 630 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
630 San Leandro HVAC contractors are ranked here by CR Score, from ten published factors. 166 are open 24/7, 392 open Saturdays and 311 open Sundays, based on posted hours. The median Google rating is 4.9★ across 630 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Chill Heating and Cooling | 64 | 5.0★ (1,017) | San Ramon, 10 mi away | 24/7 | Overall |
| 2 | Albert Nahman Plumbing, Heating, and Cooling | 64 | 4.7★ (3,311) | Berkeley, 11 mi away | 24/7 | Emergencies |
| 3 | Jazz Heating, Air Conditioning and Plumbing | 64 | 4.9★ (3,438) | Pleasanton, 16 mi away | 24/7 | — |
| 4 | Service Champions | 63 | 4.8★ (2,337) | Pleasanton, 13 mi away | 24/7 | — |
| 5 | Service Champions | 63 | 4.9★ (4,721) | Livermore, 20 mi away | 24/7 | — |
| 6 | Service Champions | 63 | 4.9★ (5,220) | Martinez, 20 mi away | 24/7 | Most reviews |
| 7 | Bell Brothers Plumbing Heating & Air - Hayward | 63 | 4.7★ (863) | Hayward, 7 mi away | 24/7 | — |
| 8 | Heise's Plumbing | 62 | 4.9★ (1,454) | San Francisco, 16 mi away | 24/7 | — |
| 9 | Cabrillo Plumbing, Heating & Air | 62 | 4.9★ (966) | San Francisco, 14 mi away | 24/7 | — |
| 10 | Service Hero Plumbing & Air | 62 | 4.5★ (1,252) | Hayward, 6 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 1,017 Google reviews, listed on Google as “HVAC contractor”.
Based in Berkeley, 11 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 3,311 Google reviews, listed on Google as “HVAC contractor”.
Based in Pleasanton, 16 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 3,438 Google reviews, listed on Google as “HVAC contractor”.
Based in Pleasanton, 13 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.
Based in Livermore, 20 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 4,721 Google reviews, listed on Google as “HVAC contractor”.
Based in Martinez, 20 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in San Leandro.
Based in Hayward, 7 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 863 Google reviews, listed on Google as “HVAC contractor”.
Based in San Francisco, 16 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,454 Google reviews, listed on Google as “HVAC contractor”.
Based in San Francisco, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 966 Google reviews, listed on Google as “HVAC contractor”.
Based in Hayward, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.5★ from 1,252 Google reviews, listed on Google as “HVAC contractor”.
Based in Danville, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 602 Google reviews, listed on Google as “HVAC contractor”.
Based in San Leandro
Ranked #12 because of its Google rating and trade focus: 4.8★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 21 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 2,463 Google reviews, listed on Google as “HVAC contractor”.
Based in San Lorenzo, 3 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 265 Google reviews, listed on Google as “HVAC contractor”.
Based in San Francisco, 13 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 1,876 Google reviews, listed on Google as “HVAC contractor”.
Based in Hayward, 5 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 474 Google reviews, listed on Google as “HVAC contractor”.
Based in Hayward, 5 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 162 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 18 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,255 Google reviews, listed on Google as “HVAC contractor”.
Based in Alameda, 5 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 130 Google reviews, listed on Google as “HVAC contractor”.
Based in Fremont, 18 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 761 Google reviews, listed on Google as “HVAC contractor”.
Based in Walnut Creek, 15 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 481 Google reviews, listed on Google as “HVAC contractor”.
Based in Hayward, 7 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “HVAC contractor”.
Based in Hayward, 8 mi away
Ranked #23 because of its Google rating and trade focus: 4.5★ from 700 Google reviews, listed on Google as “HVAC contractor”.
Based in San Francisco, 13 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 286 Google reviews, listed on Google as “HVAC contractor”.
Based in Alamo, 19 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 2,473 Google reviews, listed on Google as “HVAC contractor”.
#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 630 ranked HVAC contractors here; the rest are on their profiles.
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.
| Business | Google rating | Distance |
|---|---|---|
| ASM Squared, Inc. | In San Leandro | |
| Automatic Control Engineering | 4.5★ (2) | 5 mi |
| Barker Heating & Cooling | 4.8★ (1,930) | 25 mi |
| Big cities mechanical | In San Leandro | |
| Bill Hvac Biz Inc | In San Leandro | |
| California HVAC | 4.9★ (59) | 5 mi |
| Commercial Filter Services | 3.0★ (2) | In San Leandro |
| E-fficient HVAC | 5.0★ (2) | 4 mi |
| Fuse service | 5.0★ (29) | 11 mi |
| Hayward duct cleaning & dryer solution | 5.0★ (2) | 5 mi |
| Heating And Air Conditioning | 5.0★ (2) | 6 mi |
| Insulation & Air Duct Crew | 5.0★ (2) | 6 mi |
| Lawson Mechanical Contractor | 5.0★ (1) | In San Leandro |
| Lion Heating and Cooling | In San Leandro | |
| Pacific Test & Balance, Inc. | In San Leandro | |
| Panda Heating & Cooling | 3.5★ (2) | 2 mi |
| RJA Group LLC | 3.0★ (2) | In San Leandro |
| Service West Inc | 3.7★ (38) | In San Leandro |
| Sugar Bear Home Services | 4.9★ (369) | 15 mi |
| Toms HVAC Pros Oakland CA | 5.0★ (2) | 5 mi |
National price ranges in USD, not adjusted for San Leandro. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
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).
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
California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
We scored 630 San Leandro HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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.
| Factor | Weight | Computed from | In San Leandro data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |