323 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Murrieta: Big B's Plumbing, Electric, Heating & Air, CR Score 96/100; 4.9★ from 2,972 Google reviews; open 24/7.
Best for emergencies (open 24/7): Cool Air Solutions Heating and Air Conditioning, posts 24/7 hours; ranked #2 of 323.
Most-reviewed: We Care Plumbing, Heating and Air, 4,385 Google reviews at 4.8★, the most of 323 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
323 Murrieta HVAC contractors are ranked here by CR Score, from 8 published factors. 118 are open 24/7, 248 open Saturdays and 159 open Sundays, based on posted hours. The median Google rating is 4.9★ across 323 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Big B's Plumbing, Electric, Heating & Air | 96 | 4.9★ (2,972) | Murrieta | 24/7 | Overall |
| 2 | Cool Air Solutions Heating and Air Conditioning | 95 | 4.9★ (1,451) | Murrieta | 24/7 | Emergencies |
| 3 | Action Air Conditioning & Heating | 94 | 4.9★ (997) | Murrieta | 24/7 | — |
| 4 | Integrity Air Heating & Cooling Specialist | 94 | 5.0★ (468) | Murrieta | 24/7 | — |
| 5 | Affordable Heating and Air Conditioning LLC | 93 | 5.0★ (235) | Murrieta | 24/7 | — |
| 6 | ProFlo Air Conditioning, Heating, & Plumbing | 92 | 4.9★ (571) | Temecula, 3 mi away | 24/7 | — |
| 7 | EMT-HVAC | 92 | 4.9★ (314) | Murrieta | 24/7 | — |
| 8 | We Care Plumbing, Heating and Air | 92 | 4.8★ (4,385) | Murrieta | Sat · Sun · Evenings | Most reviews |
| 9 | Constant Comfort Heating & Cooling, Inc | 92 | 5.0★ (564) | Canyon Lake, 7 mi away | 24/7 | — |
| 10 | Family Plumbing Heating & Air Conditioning | 92 | 4.8★ (470) | Murrieta | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 2,972 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #2 because of its Google rating and availability: 4.9★ from 1,451 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #3 because of its Google rating and availability: 4.9★ from 997 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #4 because of its Google rating and availability: 5.0★ from 468 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #5 because of its Google rating and availability: 5.0★ from 235 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Temecula, 3 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 571 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #7 because of its Google rating and availability: 4.9★ from 314 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #8 because of its Google rating and review volume: 4.8★ from 4,385 Google reviews, the most Google reviews on this list (4,385).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Canyon Lake, 7 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 564 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #10 because of its Google rating and availability: 4.8★ from 470 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #11 because of its Google rating and availability: 4.9★ from 269 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #12 because of its Google rating and trade focus: 5.0★ from 548 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Murrieta
Ranked #13 because of its Google rating and trade focus: 5.0★ from 817 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #14 because of its Google rating and availability: 4.9★ from 165 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #15 because of its Google rating and availability: 4.9★ from 131 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Menifee, 8 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 448 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wildomar, 4 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 131 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lake Elsinore, 11 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 602 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in San Clemente, 23 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 3,766 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Murrieta
Ranked #20 because of its Google rating and availability: 4.9★ from 89 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wildomar, 5 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 196 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Perris, 13 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 608 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Temecula, 8 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 147 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rancho Santa Margarita, 23 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 1,350 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Temecula, 4 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 109 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
1 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 |
|---|---|---|
| KPH Mechanical | 4.9★ (89) | 4 mi |
National price ranges in USD, not adjusted for Murrieta. 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 323 Murrieta HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Murrieta data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |