211 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Napa: Service Champions, CR Score 90/100; 4.9★ from 5,220 Google reviews; open 24/7.
Best for emergencies (open 24/7): Hometown Heating and Air Conditioning, posts 24/7 hours; ranked #3 of 211.
Most-reviewed: Hometown Heating and Air Conditioning, 2,463 Google reviews at 4.9★, the most of 211 ranked after Service Champions; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
211 Napa HVAC contractors are ranked here by CR Score, from 8 published factors. 40 are open 24/7, 102 open Saturdays and 72 open Sundays, based on posted hours. The median Google rating is 4.9★ across 211 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Champions | 90 | 4.9★ (5,220) | Martinez, 23 mi away | 24/7 | Overall |
| 2 | Fuse HVAC & Appliance Repair Napa | 89 | 4.8★ (912) | Napa | Sat · Sun | — |
| 3 | Hometown Heating and Air Conditioning | 89 | 4.9★ (2,463) | Concord, 24 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Ongaro & Sons | 88 | 4.9★ (538) | Petaluma, 20 mi away | 24/7 | — |
| 5 | Next Day Air & Heating | 87 | 5.0★ (499) | Cotati, 24 mi away | 24/7 | — |
| 6 | Bellows Plumbing, Heating, Cooling & Electrical | 87 | 4.9★ (480) | Novato, 21 mi away | 24/7 | — |
| 7 | KC Home Services Plumbing, Heating & AC Repair | 87 | 4.9★ (827) | Santa Rosa, 24 mi away | 24/7 | — |
| 8 | Advanced Plumbing Heating and Air | 87 | 4.9★ (1,413) | Vacaville, 17 mi away | Sat · Sun · Evenings | — |
| 9 | Freschi Service Experts | 87 | 4.8★ (1,046) | Concord, 24 mi away | 24/7 | — |
| 10 | Right Now Air & Solar | 86 | 4.9★ (1,388) | Vacaville, 19 mi away | Sat · Sun · Evenings | — |
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.
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).
Based in Napa
Ranked #2 because of its Google rating and trade focus: 4.8★ from 912 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 24 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 2,463 Google reviews, open 24/7.
Based in Petaluma, 20 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 538 Google reviews, open 24/7.
Based in Cotati, 24 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 499 Google reviews, open 24/7.
Based in Novato, 21 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 480 Google reviews, open 24/7.
Based in Santa Rosa, 24 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 827 Google reviews, open 24/7.
Based in Vacaville, 17 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,413 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 24 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 1,046 Google reviews, open 24/7.
Based in Vacaville, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,388 Google reviews, listed on Google as “HVAC contractor”.
Based in Winters, 24 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 339 Google reviews, open 24/7.
Based in Concord, 24 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 324 Google reviews, open 24/7.
Based in Vallejo, 13 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 38 Google reviews, open 24/7.
Based in Benicia, 17 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 1,142 Google reviews, listed on Google as “HVAC contractor”.
Based in Napa
Ranked #15 because of its Google rating and availability: 4.0★ from 19 Google reviews, open 24/7.
Based in Vacaville, 19 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 84 Google reviews, open 24/7.
Based in Petaluma, 21 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 82 Google reviews, open 24/7.
Based in Vacaville, 17 mi away
Ranked #18 because of its Google rating and availability: 4.6★ from 156 Google reviews, open 24/7.
Based in Vacaville, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 463 Google reviews, listed on Google as “HVAC contractor”.
Based in Cotati, 24 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 949 Google reviews, listed on Google as “HVAC contractor”.
Based in Vacaville, 19 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
Based in Fairfield, 14 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.
Based in Petaluma, 20 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 30 Google reviews, open 24/7.
Based in Rohnert Park, 23 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 44 Google reviews, open 24/7.
Based in Sonoma, 11 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 45 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 211 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 |
|---|---|---|
| ACCO Engineered Systems | 5.0★ (2) | 19 mi |
| American Chiller Service, Inc. | 3.0★ (2) | 21 mi |
| Amy's Appliances Repair | 3.9★ (11) | 13 mi |
| Bell Brothers Plumbing Heating & Air - Concord | 4.0★ (4) | 24 mi |
| Blue Mountain Construction Services | 3.9★ (120) | 19 mi |
| CFM HVAC | 5.0★ (39) | 21 mi |
| Climate Concepts | 5.0★ (2) | 16 mi |
| CM heating and air | 5.0★ (2) | In Napa |
| Compare Heating & Air Conditioning | 4.6★ (21) | 24 mi |
| Creative Comfort Systems | 5.0★ (2) | 14 mi |
| FUSE Heating and Air Conditioning | 5.0★ (2) | In Napa |
| Icon Plumbing & Design | 4.0★ (4) | 25 mi |
| Kevin M. Sullivan & Associates | 3.6★ (10) | 24 mi |
| Ledesma Heating Air | 5.0★ (2) | 19 mi |
| Quality Heating & Air Conditioning Services | In Napa | |
| Richardson Heating & Air Conditioning | 3.0★ (2) | 8 mi |
| Sears Heating and Air Conditioning | 3.0★ (2) | 21 mi |
| Severson Heating & Cooling | 4.9★ (46) | 12 mi |
| Sonco Heating & Air Conditioning | 5.0★ (2) | 23 mi |
| SOS PLUMBING, HEATING & AIR | 4.0★ (3) | 18 mi |
National price ranges in USD, not adjusted for Napa. 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 211 Napa 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.
| Factor | Weight | Computed from | In Napa data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |