340 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Fallbrook: Big B's Plumbing, Electric, Heating & Air, CR Score 65/100; 4.9★ from 2,972 Google reviews; open 24/7.
Best for emergencies (open 24/7): Action Air Conditioning & Heating, posts 24/7 hours; ranked #2 of 340.
Most-reviewed: We Care Plumbing, Heating and Air, 4,385 Google reviews at 4.8★, the most of 340 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
340 Fallbrook HVAC contractors are ranked here by CR Score, from ten published factors. 115 are open 24/7, 249 open Saturdays and 173 open Sundays, based on posted hours. The median Google rating is 5.0★ across 340 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Big B's Plumbing, Electric, Heating & Air | 65 | 4.9★ (2,972) | Murrieta, 11 mi away | 24/7 | Overall |
| 2 | Action Air Conditioning & Heating | 64 | 4.9★ (3,896) | San Marcos, 15 mi away | 24/7 | Emergencies |
| 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 | Personal Plumbing Heating & Air Conditioning | 63 | 4.9★ (1,305) | Oceanside, 12 mi away | 24/7 | — |
| 6 | Morrison Mechanical Heating & Air Conditioning Services | 63 | 5.0★ (123) | Fallbrook | 24/7 | — |
| 7 | Action Air Conditioning & Heating | 63 | 4.9★ (997) | Murrieta, 11 mi away | 24/7 | — |
| 8 | Anderson Plumbing, Heating & Air | 63 | 4.8★ (2,810) | San Marcos, 15 mi away | 24/7 | — |
| 9 | Veterans Heating and Air Conditioning, Plumbing, and Electrical | 63 | 5.0★ (601) | Oceanside, 12 mi away | 24/7 | — |
| 10 | We Care Plumbing, Heating and Air | 63 | 4.8★ (4,385) | Murrieta, 12 mi away | Sat · Sun · Evenings | Most reviews |
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.
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 Oceanside, 12 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,305 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallbrook
Ranked #6 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 997 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos, 15 mi away
Ranked #8 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 #9 because of its Google rating and trade focus: 5.0★ from 601 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 12 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 4,385 Google reviews, the most in Fallbrook.
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 Oceanside, 10 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 426 Google reviews, listed on Google as “HVAC contractor”.
Based in Carlsbad, 17 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 2,898 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallbrook
Ranked #14 because of its Google rating and trade focus: 4.9★ from 113 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, 11 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 817 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside, 11 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,197 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 14 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 468 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 13 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 235 Google reviews, listed on Google as “HVAC contractor”.
Based in Temecula, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,097 Google reviews, listed on Google as “HVAC contractor”.
Based in Vista, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 338 Google reviews, listed on Google as “HVAC contractor”.
Based in Escondido, 19 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 1,303 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 12 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 269 Google reviews, listed on Google as “HVAC contractor”.
Based in Murrieta, 12 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 1,411 Google reviews, listed on Google as “HVAC contractor”.
Based in Temecula, 11 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 147 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. We publish the top 50 of 340 ranked HVAC contractors here; the rest are on their profiles.
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 |
|---|---|---|
| All Plumbing Fallbrook Services | 5.0★ (32) | In Fallbrook |
| Excel Heating & Air Conditioning | 3.0★ (2) | 12 mi |
| Heating & Air Conditioning CA | 5.0★ (2) | 12 mi |
| Howard's Heating & Air | 5.0★ (8) | 2 mi |
| Hunter & Sons AC Heating & Cooling | 4.7★ (58) | 12 mi |
| KPH Mechanical | 4.9★ (89) | 11 mi |
| Master Flow Heating & Air Conditioning | In Fallbrook | |
| McCann & Sons Plumbing Heating & Air Conditioning | 3.0★ (2) | 10 mi |
| Morris Air & Electric | 4.8★ (43) | 11 mi |
| Oceanside HVAC Repairs | 5.0★ (2) | 11 mi |
| Omega Cooling and Heating | 5.0★ (37) | 11 mi |
| Precision Air Inc | 5.0★ (2) | 10 mi |
| Precision Air Inc | 4.0★ (2) | 12 mi |
| Premier 1 Heating and Air | 4.9★ (131) | 18 mi |
| Pure Air San Diego | 5.0★ (2) | 12 mi |
| San Diego Pro Electric | 5.0★ (4) | In Fallbrook |
| Sears Heating and Air Conditioning | 3.0★ (2) | 11 mi |
| Silva Built Homes | 5.0★ (2) | 11 mi |
| Silver State Refrigeration & HVAC | 5.0★ (1) | In Fallbrook |
| TnT Plumbing Heating & Air | 4.8★ (221) | 22 mi |
National price ranges in USD, not adjusted for Fallbrook. 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 |
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).
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
California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
We scored 340 Fallbrook 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 Fallbrook 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 |