65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,425 Google reviews, the most in Pomona.
- 4.8★ from 7,425 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5001 Ontario Mills Pkwy, Ontario, CA 91764
Best HVAC Contractors in Pomona, CA (2026)
1,167 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Pomona: All Pro Cooling, Heating, Plumbing & Electrical, CR Score 65/100; 4.8★ from 7,425 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Steve's Five Star Service, posts 24/7 hours; ranked #2 of 1,167.
- 11
Most-reviewed: Service Champions Plumbing, Heating & AC, 6,978 Google reviews at 4.9★, the most of 1,167 ranked after All Pro Cooling, Heating, Plumbing & Electrical; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,167 Pomona HVAC contractors are ranked here by CR Score, from ten published factors. 404 are open 24/7, 883 open Saturdays and 604 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,167 rated businesses.
Top 10 HVAC contractors in Pomona at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | All Pro Cooling, Heating, Plumbing & Electrical | 65 | 4.8★ (7,425) | Ontario, 12 mi away | 24/7 | Overall |
| 2 | Steve's Five Star Service | 64 | 4.9★ (1,292) | Upland, 5 mi away | 24/7 | Emergencies |
| 3 | Klaus & Sons Plumbing, Heating & Air Conditioning | 64 | 4.9★ (977) | Montclair, 5 mi away | 24/7 | — |
| 4 | Metz Air Control | 64 | 4.9★ (969) | Chino, 5 mi away | 24/7 | — |
| 5 | Rooter Hero Plumbing & Air | 63 | 4.8★ (802) | Montclair, 4 mi away | 24/7 | — |
| 6 | Service Hero Plumbing, HVAC, and Electrical | 63 | 4.8★ (1,506) | Covina, 8 mi away | 24/7 | — |
| 7 | Home Comfort USA | 63 | 4.8★ (2,813) | Anaheim, 15 mi away | 24/7 | — |
| 8 | RC Air Heating & Air Conditioning Service | 63 | 4.9★ (705) | Rancho Cucamonga, 9 mi away | 24/7 | — |
| 9 | Airplus of California Inc. | 62 | 4.9★ (1,325) | Corona, 14 mi away | 24/7 | — |
| 10 | Western Air Mechanical | 62 | 4.9★ (251) | San Dimas, 5 mi away | 24/7 | — |
The 1,167 best HVAC contractors in Pomona, 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 Upland, 5 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 1,292 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 1,292 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 665 N Central Ave, Upland, CA 91786
Based in Montclair, 5 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 977 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 977 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5623 E Arrow Hwy, Montclair, CA 91763
Based in Chino, 5 mi away
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 969 Google reviews, listed on Google as “Air conditioning repair service”.
- 4.9★ from 969 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13784 Monte Vista Ave, Chino, CA 91710
Based in Montclair, 4 mi away
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 802 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 802 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4650 Arrow Hwy, Montclair, CA 91763
Based in Covina, 8 mi away
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 1,506 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,506 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 706 Arrow Grand Cir, Covina, CA 91722
Based in Anaheim, 15 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 2,813 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,813 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1120 N Tustin Ave, Anaheim, CA 92807
Based in Rancho Cucamonga, 9 mi away
63/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 705 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 705 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8327 Orange St, Rancho Cucamonga, CA 91701
Based in Corona, 14 mi away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 1,325 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,325 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3050 Palisades Dr, Corona, CA 92878
Based in San Dimas, 5 mi away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 251 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 251 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 260 W Arrow Hwy, San Dimas, CA 91773
Based in Brea, 11 mi away
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 6,978 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 6,978 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun closed
- Address
- 625 Columbia St, Brea, CA 92821
Based in Chino, 4 mi away
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 392 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 392 Google reviews
- Hours
- Mon–Sat 7 AM–10 PM · Sun 8 AM–5 PM
- Address
- 3811 Schaefer Ave Suite D, Chino, CA 91710
Based in Anaheim, 14 mi away
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 995 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 995 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1241 N Lakeview Ave Suite K, Anaheim, CA 92807
Based in Corona, 15 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 1,213 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,213 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1611 Pomona Rd Suite 240, Corona, CA 92878
Based in Anaheim, 14 mi away
62/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 2,250 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 2,250 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5472 E La Palma Ave, Anaheim, CA 92807
Based in Anaheim, 14 mi away
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 1,899 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,899 Google reviews
- Hours
- Mon–Fri 6 AM–8 PM · Sat–Sun 7 AM–7 PM
- Address
- 5612 E La Palma Ave, Anaheim, CA 92807
Based in Yorba Linda, 13 mi away
62/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 764 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8642 Bridle Cir, Yorba Linda, CA 92886
#18 Veteran Air
Based in Anaheim, 16 mi away
62/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 1,091 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,091 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2925 E Ricker Way, Anaheim, CA 92806
Based in Corona, 19 mi away
61/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 4,107 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 4,107 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1240 Graphite Dr, Corona, CA 92881
Based in Brea, 13 mi away
61/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 547 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 547 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 855 W Lambert Rd, Brea, CA 92821
#21 Canyon City Air
Based in San Dimas, 6 mi away
61/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 122 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 515 W Allen Ave STE 2A, San Dimas, CA 91773
Based in Jurupa Valley, 21 mi away
61/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 1,203 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,203 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2932 Rubidoux Blvd Suite B, Jurupa Valley, CA 92509
Based in Upland, 8 mi away
61/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Air conditioning contractor”.
- 5.0★ from 143 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2264 Ajuga Ave, Upland, CA 91784
Based in Covina, 8 mi away
61/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 426 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 426 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 138 E Badillo St, Covina, CA 91723
Based in Orange, 19 mi away
61/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 1,840 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,840 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 740 N Hariton St, Orange, CA 92868
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 1,167 ranked HVAC contractors here; the rest are on their profiles.
Also serving Pomona
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 |
|---|---|---|
| ABR Air Conditioning, Heating, and Refrigeration | 5.0★ (2) | 5 mi |
| Absolute Airflow Air Conditioning, Heating and Plumbing | 4.8★ (571) | 19 mi |
| Air Conditioning & Heating Inc | In Pomona | |
| Arctic Emergency HVAC Repair Pomona | 5.0★ (1) | In Pomona |
| Avis Plumbing and Air | 4.7★ (438) | 16 mi |
| Awc Hvac Services, Inc. | 1.0★ (1) | In Pomona |
| BOMING Air Conditioning & Heating HVAC | 5.0★ (2) | 7 mi |
| Golden Construction Chino | 5.0★ (2) | 5 mi |
| Integrity Mechanical Corporation | 5.0★ (2) | 6 mi |
| Liberty Air | 5.0★ (2) | 4 mi |
| M.A. Ogg Heating & Air Conditioning, Inc. | 3.0★ (2) | 4 mi |
| Mac Refrigeration & Air Conditioning | 3.0★ (2) | 4 mi |
| N & S Heating, Air Conditioning & Electrical | 4.5★ (2) | 7 mi |
| Professional Heating & Air | 3.0★ (2) | 5 mi |
| Referral Air Conditioning Service | In Pomona | |
| Sinclair Air Systems | 4.7★ (35) | 3 mi |
| Superior Duct Fabrication | 4.6★ (23) | In Pomona |
| Viking Air Inc. | 5.0★ (2) | 3 mi |
| West-Tech Mechanical Inc | 3.0★ (2) | 4 mi |
| Zach Taylor Heating And Air LLC | 5.0★ (63) | 5 mi |
How much do HVAC contractors cost in Pomona?
National price ranges in USD, not adjusted for Pomona. 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 Pomona HVAC contractors
We scored 1,167 Pomona 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 23, 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 Pomona 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 Pomona: frequently asked questions
Who is the best HVAC contractor in Pomona?
By CR Score, the highest-ranked HVAC contractor in Pomona, CA is All Pro Cooling, Heating, Plumbing & Electrical with a CR Score of 65/100. It has 4.8★ from 7,425 Google reviews. It is open 24/7. Steve's Five Star Service (#2) and Klaus & Sons Plumbing, Heating & Air Conditioning (#3) follow. We ranked 1,167 HVAC contractors on ten factors, last updated October 23, 2026.
How many HVAC contractors are there in Pomona?
ContractorsRanked ranks 1,167 HVAC contractors serving Pomona, CA. 3 of them are based in Pomona; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Pomona are open 24/7?
404 ranked HVAC contractors in Pomona post 24/7 hours. The highest-ranked are All Pro Cooling, Heating, Plumbing & Electrical (#1), Steve's Five Star Service (#2) and Klaus & Sons Plumbing, Heating & Air Conditioning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Pomona work on weekends?
883 of 1,167 ranked HVAC contractors post Saturday hours and 604 post Sunday hours. The highest-ranked open Saturdays are All Pro Cooling, Heating, Plumbing & Electrical (#1), Steve's Five Star Service (#2) and Klaus & Sons Plumbing, Heating & 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 Pomona?
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 Pomona. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Pomona HVAC contractors have?
The median Google rating among 1,167 rated HVAC contractors in Pomona is 4.9★, with a median of 18 reviews. All Pro Cooling, Heating, Plumbing & Electrical has the most, 7,425 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 Pomona?
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 Pomona
- October 2026: CR Scores recalculated for 1,167 hvac contractors serving Pomona.
- October 2026: 6 duplicate listings merged.
More HVAC contractors and Pomona pages
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Other trades in Pomona
- Roofers in Pomona1830 ranked
- Plumbers in Pomona1160 ranked
- Electricians in Pomona764 ranked
- General contractors in Pomona1085 ranked
- Painters in Pomona171 ranked
- Landscapers in Pomona192 ranked
- Handymen in Pomona90 ranked
- Kitchen remodelers in Pomona505 ranked
- Bathroom remodelers in Pomona508 ranked
- Flooring contractors in Pomona458 ranked
- Tile installers in Pomona69 ranked
- Drywall contractors in Pomona28 ranked
- Concrete contractors in Pomona338 ranked
- Fence contractors in Pomona254 ranked
- Deck builders in Pomona121 ranked
- Siding contractors in Pomona116 ranked
- Window installers in Pomona662 ranked
- Gutter installers in Pomona143 ranked
- Insulation contractors in Pomona176 ranked
- Solar installers in Pomona568 ranked
- Garage door repair companies in Pomona221 ranked
- Foundation repair companies in Pomona208 ranked
- Tree services in Pomona314 ranked
- Masonry contractors in Pomona186 ranked
- Water damage restoration companies in Pomona1241 ranked
- Home builders in Pomona763 ranked
- Demolition contractors in Pomona130 ranked
- All contractors in Pomona