66/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Orinda.
- 4.9★ from 5,220 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 261 Arthur Rd, Martinez, CA 94553
Best HVAC Contractors in Orinda, CA (2026)
552 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Orinda: Service Champions, CR Score 66/100; 4.9★ from 5,220 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Albert Nahman Plumbing, Heating, and Cooling, posts 24/7 hours; ranked #2 of 552.
- 11
Most-reviewed: Service Champions, 4,721 Google reviews at 4.9★, the most of 552 ranked after Service Champions; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
552 Orinda HVAC contractors are ranked here by CR Score, from ten published factors. 131 are open 24/7, 332 open Saturdays and 253 open Sundays, based on posted hours. The median Google rating is 4.9★ across 552 rated businesses.
Top 10 HVAC contractors in Orinda at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Champions | 66 | 4.9★ (5,220) | Martinez, 10 mi away | 24/7 | Overall |
| 2 | Albert Nahman Plumbing, Heating, and Cooling | 65 | 4.7★ (3,311) | Berkeley, 5 mi away | 24/7 | Emergencies |
| 3 | Hometown Heating and Air Conditioning | 64 | 4.9★ (2,463) | Concord, 12 mi away | 24/7 | — |
| 4 | Perfect Star Heating, Cooling, & Electrical | 63 | 4.9★ (1,255) | Concord, 11 mi away | 24/7 | — |
| 5 | Chill Heating and Cooling | 63 | 5.0★ (1,017) | San Ramon, 13 mi away | 24/7 | — |
| 6 | Chill Heating and Cooling | 63 | 5.0★ (481) | Walnut Creek, 8 mi away | 24/7 | — |
| 7 | Reliable Appliance, Heating and Air | 63 | 4.9★ (2,473) | Alamo, 12 mi away | Sat · Sun · Evenings | — |
| 8 | Jazz Heating, Air Conditioning and Plumbing | 62 | 4.9★ (3,438) | Pleasanton, 21 mi away | 24/7 | — |
| 9 | Freschi Service Experts | 62 | 4.8★ (1,046) | Concord, 12 mi away | 24/7 | — |
| 10 | Comfy Heating & Air Conditioning | 62 | 4.9★ (602) | Danville, 12 mi away | 24/7 | — |
The 552 best HVAC contractors in Orinda, ranked
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.
Based in Berkeley, 5 mi away
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 3,311 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 3,311 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3333 Martin Luther King Jr Way, Berkeley, CA 94703
Based in Concord, 12 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 2,463 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,463 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4075 Nelson Ave Suite D, Concord, CA 94520
Based in Concord, 11 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,255 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,255 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4415 Cowell Rd, Concord, CA 94518
Based in San Ramon, 13 mi away
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 1,017 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,017 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 23 Beta Ct suite f, San Ramon, CA 94583
Based in Walnut Creek, 8 mi away
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 481 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 481 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Cll Este, Walnut Creek, CA 94597
Based in Alamo, 12 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 2,473 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,473 Google reviews
- Hours
- Mon–Sun 6 AM–7 PM
Based in Pleasanton, 21 mi away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 3,438 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 3,438 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2158 Rheem Dr, Pleasanton, CA 94588
Based in Concord, 12 mi away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 1,046 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,046 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2440 Sprig Ct, Concord, CA 94520
Based in Danville, 12 mi away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 602 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 602 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 801 Lancelot Ct, Danville, CA 94526
Based in Livermore, 24 mi away
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 4,721 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 4,721 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 207 Boeing Ct, Livermore, CA 94551
Based in San Francisco, 16 mi away
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 966 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 966 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 78 Dorman Ave, San Francisco, CA 94124
#13 Heise's Plumbing
Based in San Francisco, 18 mi away
62/100CR ScoreRanked #13 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
Based in Antioch, 21 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 2,331 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,331 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2595 W 10th St, Antioch, CA 94509
Based in Pleasant Hill, 8 mi away
62/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 370 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 370 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3301 Vincent Rd, Pleasant Hill, CA 94523
Based in Pleasanton, 19 mi away
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,337 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7020 Commerce Dr, Pleasanton, CA 94588
Based in Concord, 11 mi away
61/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 324 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 324 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1717 Solano Way STE 7, Concord, CA 94520
Based in San Francisco, 16 mi away
61/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 1,876 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,876 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1455 Bancroft Ave, San Francisco, CA 94124
Based in Pittsburg, 19 mi away
61/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 851 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 851 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 620 Garcia Ave ste a, Pittsburg, CA 94565
Based in San Francisco, 15 mi away
60/100CR ScoreRanked #20 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
Based in Benicia, 15 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 1,142 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,142 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 361 W Channel Rd, Benicia, CA 94510
#22 Breathable
Based in Oakland, 7 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 200 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 200 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat–Sun 10 AM–5 PM
- Address
- 344 20th St, Oakland, CA 94612
Based in Hayward, 18 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 863 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 863 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3266 Investment Blvd, Hayward, CA 94545
Based in Alamo, 11 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 358 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 358 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat–Sun 9 AM–5 PM
#25 1-888-Heat-Pumps
Based in Berkeley, 5 mi away
60/100CR ScoreRanked #25 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
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 552 ranked HVAC contractors here; the rest are on their profiles.
Also serving Orinda
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 |
|---|---|---|
| Alameda Island Heating & Air Conditioning LLC | 5.0★ (32) | 11 mi |
| Bay Air Systems | 5.0★ (2) | 10 mi |
| California HVAC | 4.9★ (59) | 7 mi |
| CLASSIC Heating And Air Conditioning | 5.0★ (2) | 9 mi |
| Comfort Air Mechanical Systems | 3.5★ (2) | 8 mi |
| E-fficient HVAC | 5.0★ (2) | 8 mi |
| EHC HEATING AND COOLING | 4.7★ (55) | 10 mi |
| Five Or Free Electrical Heating & Air Solutions | 4.8★ (219) | 5 mi |
| Golden Comfort AC Repair & Heating | 5.0★ (27) | 9 mi |
| Green Air Heating and Air Conditioning, Inc. | 4.6★ (69) | 12 mi |
| Heating & Cooling Care Inc. Orinda | In Orinda | |
| Normandy Heating and Air Conditioning | 5.0★ (2) | 7 mi |
| One Hour Heating & Air Conditioning | 5.0★ (26) | 8 mi |
| Panda Heating & Cooling | 3.5★ (2) | 10 mi |
| Premium Express Heating and Air Conditioning | 5.0★ (2) | 8 mi |
| Quaweay Electric | 5.0★ (2) | 8 mi |
| Redfoxheating&cooling | 3.0★ (2) | 5 mi |
| Sears Heating and Air Conditioning | 3.0★ (2) | 10 mi |
| Sugar Bear Home Services | 4.9★ (369) | 20 mi |
| Tyndall HVAC, Inc | 4.9★ (292) | 23 mi |
How much do HVAC contractors cost in Orinda?
National price ranges in USD, not adjusted for Orinda. 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 |
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).
- Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
- Check that the status is active and the name matches the contract or truck.
- 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 Orinda HVAC contractors
We scored 552 Orinda 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 Orinda 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 |
HVAC contractors in Orinda: frequently asked questions
Who is the best HVAC contractor in Orinda?
By CR Score, the highest-ranked HVAC contractor in Orinda, CA is Service Champions with a CR Score of 66/100. 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 552 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Orinda?
ContractorsRanked ranks 552 HVAC contractors serving Orinda, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Orinda are open 24/7?
131 ranked HVAC contractors in Orinda 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 Orinda work on weekends?
332 of 552 ranked HVAC contractors post Saturday hours and 253 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 Orinda?
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 Orinda. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Orinda HVAC contractors have?
The median Google rating among 552 rated HVAC contractors in Orinda is 4.9★, with a median of 15 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 Orinda?
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 Orinda
- October 2026: CR Scores recalculated for 552 hvac contractors serving Orinda.
- October 2026: 5 duplicate listings merged.
More HVAC contractors and Orinda pages
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