Top 50 of 340 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 Fallbrook: Big B's Plumbing, Electric, Heating & Air, 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 | Big B's Plumbing, Electric, Heating & Air | 65 | 4.9★ (2,972) | Murrieta, 11 mi away | 24/7 |
| 2 | Action Air Conditioning & Heating | 64 | 4.9★ (3,896) | San Marcos, 15 mi away | 24/7 |
| 3 | Sherlock Plumbing, Heating & Air | 64 | 4.9★ (4,132) | Carlsbad, 17 mi away | 24/7 |
| 4 | Cool Air Solutions Heating and Air Conditioning | 64 | 4.9★ (1,451) | Murrieta, 11 mi away | 24/7 |
| 5 | Anderson Plumbing, Heating & Air | 64 | 4.8★ (2,810) | San Marcos, 15 mi away | 24/7 |
| 6 | Personal Plumbing Heating & Air Conditioning | 64 | 4.9★ (1,305) | Oceanside, 12 mi away | 24/7 |
| 7 | Encore Plumbing and Air | 63 | 5.0★ (817) | Murrieta, 11 mi away | 24/7 |
| 8 | Action Air Conditioning & Heating | 63 | 4.9★ (997) | Murrieta, 11 mi away | 24/7 |
| 9 | Morrison Mechanical Heating & Air Conditioning Services | 63 | 5.0★ (123) | Fallbrook | 24/7 |
| 10 | John Stevenson Plumbing, Heating & Air Conditioning | 63 | 4.8★ (2,898) | Carlsbad, 17 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.
#1Big B's Plumbing, Electric, Heating & Air
Open 24/7 · 4.9 from 2,972 Google reviews
#2Action Air Conditioning & Heating
Open 24/7 · 4.9 from 3,896 Google reviews
#3Sherlock Plumbing, Heating & Air
Open 24/7 · 4.9 from 4,132 Google reviews
#4Cool Air Solutions Heating and Air Conditioning
Open 24/7 · 4.9 from 1,451 Google reviews
#5Anderson Plumbing, Heating & Air
Open 24/7 · 4.8 from 2,810 Google reviews
#6Personal Plumbing Heating & Air Conditioning
Open 24/7 · 4.9 from 1,305 Google reviews
Open 24/7 · 5.0 from 817 Google reviews
#8Action Air Conditioning & Heating
Open 24/7 · 4.9 from 997 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 340 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: 4.9★ from 2,972 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos, 15 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 3,896 Google reviews, listed on Google as “HVAC contractor”.
Based in Carlsbad, 17 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 4,132 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 11 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,451 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos, 15 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 2,810 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,305 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 11 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 817 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 997 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallbrook
Ranked #9 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in Carlsbad, 17 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 2,898 Google reviews, listed on Google as “HVAC contractor”.
Based in San Clemente, 20 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 3,766 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallbrook
Ranked #12 because of its Google rating and trade focus: 4.9★ from 113 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside, 12 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 601 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside, 10 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 426 Google reviews, listed on Google as “HVAC contractor”.
Based in Temecula, 10 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 571 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 14 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 468 Google reviews, listed on Google as “HVAC contractor”.
Based in Escondido, 19 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 1,303 Google reviews, listed on Google as “HVAC contractor”.
Based in Vista, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 338 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 12 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 269 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 13 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 235 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 14 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 470 Google reviews, listed on Google as “HVAC contractor”.
Based in Camp Pendleton North, 7 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 102 Google reviews, listed on Google as “HVAC contractor”.
Based in Canyon Lake, 20 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 564 Google reviews, listed on Google as “HVAC contractor”.
Based in Temecula, 11 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “HVAC contractor”.
Based in Temecula, 12 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 151 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 |