65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,425 Google reviews, the most in Norco.
- 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 Norco, CA (2026)
1,114 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Norco: 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): All Pro Cooling, Heating, Plumbing & Electrical, posts 24/7 hours; ranked #2 of 1,114.
- 47
Most-reviewed: Service Champions Plumbing, Heating & AC, 6,978 Google reviews at 4.9★, the most of 1,114 ranked after All Pro Cooling, Heating, Plumbing & Electrical; ranked #47.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,114 Norco HVAC contractors are ranked here by CR Score, from ten published factors. 403 are open 24/7, 877 open Saturdays and 592 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,114 rated businesses.
Top 10 HVAC contractors in Norco 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, 10 mi away | 24/7 | Overall |
| 2 | All Pro Cooling, Heating, Plumbing & Electrical | 65 | 4.7★ (4,107) | Corona, 6 mi away | 24/7 | Emergencies |
| 3 | Friends & Family HVAC | 65 | 4.9★ (1,213) | Corona, 4 mi away | 24/7 | — |
| 4 | Airplus of California Inc. | 64 | 4.9★ (1,325) | Corona, 6 mi away | 24/7 | — |
| 5 | RighTime Home Services | 64 | 4.7★ (3,741) | Corona, 8 mi away | 24/7 | — |
| 6 | MSP HEATING AND AIR CONDITIONING | 64 | 5.0★ (1,203) | Jurupa Valley, 10 mi away | 24/7 | — |
| 7 | Aced It Heating & AC Repair | 63 | 5.0★ (306) | Corona, 4 mi away | 24/7 | — |
| 8 | Plus Air Duct Testing | 63 | 5.0★ (401) | Jurupa Valley, 6 mi away | 24/7 | — |
| 9 | HMS Plumbing & Construction | 63 | 5.0★ (304) | Corona, 5 mi away | 24/7 | — |
| 10 | Metz Air Control | 63 | 4.9★ (969) | Chino, 10 mi away | 24/7 | — |
The 1,114 best HVAC contractors in Norco, 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 Corona, 6 mi away
65/100CR ScoreRanked #2 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 Corona, 4 mi away
65/100CR ScoreRanked #3 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 Corona, 6 mi away
64/100CR ScoreRanked #4 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 Corona, 8 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 3,741 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 3,741 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3959 Temescal Canyon Rd, Corona, CA 92883
Based in Jurupa Valley, 10 mi away
64/100CR ScoreRanked #6 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 Corona, 4 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 306 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 306 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1307 W 6th St Suite 225 D, Corona, CA 92882
Based in Jurupa Valley, 6 mi away
63/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 401 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 401 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9346 Galena St Ste. C, Jurupa Valley, CA 92509
Based in Corona, 5 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 304 Google reviews, listed on Google as “Air conditioning contractor”.
- 5.0★ from 304 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1697 Laurel Canyon Way, Corona, CA 92881
#10 Metz Air Control
Based in Chino, 10 mi away
63/100CR ScoreRanked #10 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 Riverside, 6 mi away
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 571 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 571 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6611 Arlington Ave, Riverside, CA 92504
Based in Riverside, 6 mi away
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 270 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 270 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9820 Indiana Ave #23, Riverside, CA 92503
Based in Upland, 14 mi away
62/100CR ScoreRanked #13 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 Riverside, 10 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 1,176 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 1,176 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5324 Mission Blvd #3, Riverside, CA 92509
Based in Corona, 5 mi away
62/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 316 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 316 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1760 California Ave STE 113, Corona, CA 92881
Based in Corona, 7 mi away
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 236 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 236 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1721 Boyd Ave, Corona, CA 92881
Based in Montclair, 14 mi away
62/100CR ScoreRanked #17 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 Corona, 5 mi away
62/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 151 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 310 S Maple St Unit F, Corona, CA 92878
Based in Fontana, 9 mi away
62/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 708 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 708 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10820 Mulberry Ave, Fontana, CA 92337
#20 Home Comfort USA
Based in Anaheim, 17 mi away
62/100CR ScoreRanked #20 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 Corona, 4 mi away
62/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 219 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 219 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 236 N Maple St, Corona, CA 92878
Based in Anaheim, 15 mi away
62/100CR ScoreRanked #22 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, 15 mi away
62/100CR ScoreRanked #23 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 Riverside, 13 mi away
61/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 430 Google reviews, listed on Google as “Furnace repair service”.
- 5.0★ from 430 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19071 Newsome Rd, Riverside, CA 92508
Based in Corona, 10 mi away
61/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 504 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 504 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9064 Pulsar Ct STE J, Corona, CA 92883
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 1,114 ranked HVAC contractors here; the rest are on their profiles.
Also serving Norco
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 |
|---|---|---|
| 4 Points A/C and Heating | 4.9★ (949) | 18 mi |
| A Plus Home Improvement Specialists, Inc. | In Norco | |
| AC Comfort Heating and Air Conditioning | 5.0★ (2) | In Norco |
| Air and More Services | In Norco | |
| American Air Concepts Inc. | 5.0★ (2) | In Norco |
| Arroyo Air | In Norco | |
| Clima-Tech LLC | 4.2★ (22) | In Norco |
| D Burke Mechanical | 4.0★ (4) | In Norco |
| Delta Tech Mechanical | 5.0★ (2) | 3 mi |
| Economy Air Conditioning | 2.0★ (2) | 5 mi |
| Evapour Heating and Cooling Repair | 5.0★ (1) | In Norco |
| HAMNER AC SERVICES | 5.0★ (5) | In Norco |
| Logan Mechanical Inc | 5.0★ (1) | In Norco |
| MIS Refrigeration | 5.0★ (2) | 5 mi |
| Mr. Fix It | 2.0★ (2) | In Norco |
| Pro Mechanical & Electrical Services | In Norco | |
| RKM Heating and Air Conditioning | 4.9★ (1,073) | 15 mi |
| Salute Air Conditioning and Heating | 5.0★ (108) | 8 mi |
| Sol Air Hvac LLC | 4.9★ (112) | 8 mi |
| UR Thermair Air Conditioning & Heating | 5.0★ (1) | In Norco |
How much do HVAC contractors cost in Norco?
National price ranges in USD, not adjusted for Norco. 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 Norco HVAC contractors
We scored 1,114 Norco 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 Norco 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 Norco: frequently asked questions
Who is the best HVAC contractor in Norco?
By CR Score, the highest-ranked HVAC contractor in Norco, 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. All Pro Cooling, Heating, Plumbing & Electrical (#2) and Friends & Family HVAC (#3) follow. We ranked 1,114 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Norco?
ContractorsRanked ranks 1,114 HVAC contractors serving Norco, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Norco are open 24/7?
403 ranked HVAC contractors in Norco post 24/7 hours. The highest-ranked are All Pro Cooling, Heating, Plumbing & Electrical (#1), All Pro Cooling, Heating, Plumbing & Electrical (#2) and Friends & Family HVAC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Norco work on weekends?
877 of 1,114 ranked HVAC contractors post Saturday hours and 592 post Sunday hours. The highest-ranked open Saturdays are All Pro Cooling, Heating, Plumbing & Electrical (#1), All Pro Cooling, Heating, Plumbing & Electrical (#2) and Friends & Family HVAC (#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 Norco?
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 Norco. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Norco HVAC contractors have?
The median Google rating among 1,114 rated HVAC contractors in Norco is 4.9★, with a median of 20 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 Norco?
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 Norco
- October 2026: CR Scores recalculated for 1,114 hvac contractors serving Norco.
- October 2026: 12 duplicate listings merged.
More HVAC contractors and Norco pages
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Other trades in Norco
- Roofers in Norco1269 ranked
- Plumbers in Norco1111 ranked
- Electricians in Norco723 ranked
- General contractors in Norco1014 ranked
- Painters in Norco167 ranked
- Landscapers in Norco185 ranked
- Handymen in Norco83 ranked
- Kitchen remodelers in Norco542 ranked
- Bathroom remodelers in Norco532 ranked
- Flooring contractors in Norco511 ranked
- Tile installers in Norco70 ranked
- Drywall contractors in Norco39 ranked
- Concrete contractors in Norco381 ranked
- Fence contractors in Norco217 ranked
- Deck builders in Norco125 ranked
- Siding contractors in Norco94 ranked
- Window installers in Norco577 ranked
- Gutter installers in Norco145 ranked
- Insulation contractors in Norco142 ranked
- Solar installers in Norco485 ranked
- Garage door repair companies in Norco227 ranked
- Foundation repair companies in Norco139 ranked
- Tree services in Norco320 ranked
- Masonry contractors in Norco191 ranked
- Water damage restoration companies in Norco997 ranked
- Home builders in Norco583 ranked
- Demolition contractors in Norco137 ranked
- All contractors in Norco