Top 50 of 616 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency heating and cooling in Grand Terrace: MSP HEATING AND AIR CONDITIONING, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | MSP HEATING AND AIR CONDITIONING | 65 | 5.0★ (1,203) | Jurupa Valley, 5 mi away | 24/7 |
| 2 | Year Round Heating & Air Conditioning | 65 | 5.0★ (1,159) | Redlands, 5 mi away | 24/7 |
| 3 | 4 Points A/C and Heating | 65 | 4.9★ (949) | San Bernardino, 3 mi away | 24/7 |
| 4 | All Pro Cooling, Heating, Plumbing & Electrical | 65 | 4.8★ (7,425) | Ontario, 13 mi away | 24/7 |
| 5 | Lasting Legacy Plumbing Heating and Air | 65 | 5.0★ (1,343) | Redlands, 7 mi away | 24/7 |
| 6 | Air One Air Conditioning, Heating, & Plumbing | 64 | 4.9★ (786) | Colton, 4 mi away | 24/7 |
| 7 | RKM Heating and Air Conditioning | 64 | 4.9★ (1,073) | Riverside, 7 mi away | 24/7 |
| 8 | Sheldon's Heating, Air Conditioning & Plumbing, Inc. | 64 | 4.8★ (729) | Riverside, 4 mi away | 24/7 |
| 9 | Ace Home Heating & Air Conditioning | 64 | 4.7★ (1,176) | Riverside, 6 mi away | 24/7 |
| 10 | Eco Air Heating & Cooling | 63 | 5.0★ (305) | Riverside, 4 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
#1MSP HEATING AND AIR CONDITIONING
Open 24/7 · 5.0 from 1,203 Google reviews
#2Year Round Heating & Air Conditioning
Open 24/7 · 5.0 from 1,159 Google reviews
Open 24/7 · 4.9 from 949 Google reviews
#4All Pro Cooling, Heating, Plumbing & Electrical
Open 24/7 · 4.8 from 7,425 Google reviews
#5Lasting Legacy Plumbing Heating and Air
Open 24/7 · 5.0 from 1,343 Google reviews
#6Air One Air Conditioning, Heating, & Plumbing
Open 24/7 · 4.9 from 786 Google reviews
#7RKM Heating and Air Conditioning
Open 24/7 · 4.9 from 1,073 Google reviews
#8Sheldon's Heating, Air Conditioning & Plumbing, Inc.
Open 24/7 · 4.8 from 729 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 616 is on the HVAC contractors page.
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 1,203 Google reviews, listed on Google as “HVAC contractor”.
Based in Redlands, 5 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 1,159 Google reviews, listed on Google as “HVAC contractor”.
Based in San Bernardino, 3 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 949 Google reviews, listed on Google as “HVAC contractor”.
Based in Ontario, 13 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 7,425 Google reviews.
Based in Redlands, 7 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 1,343 Google reviews, listed on Google as “HVAC contractor”.
Based in Colton, 4 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 786 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 7 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,073 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 729 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 6 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 1,176 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 4 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 305 Google reviews, listed on Google as “HVAC contractor”.
Based in Loma Linda, 4 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 270 Google reviews, listed on Google as “HVAC contractor”.
Based in San Bernardino, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 881 Google reviews, listed on Google as “HVAC contractor”.
Based in Redlands, 10 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 840 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 18 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 4,107 Google reviews, listed on Google as “HVAC contractor”.
Based in Redlands, 8 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 516 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 3,741 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 10 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 571 Google reviews, listed on Google as “HVAC contractor”.
Based in Jurupa Valley, 10 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 401 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 430 Google reviews, listed on Google as “Furnace repair service”.
Based in Fontana, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 708 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 2 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 88 Google reviews, listed on Google as “HVAC contractor”.
Based in Moreno Valley, 7 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 152 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 11 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 270 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 1,213 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 3 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 80 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.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |