1,764 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Glendale: Brody Pennell Heating & Air Conditioning, CR Score 94/100; 4.9★ from 4,606 Google reviews; open 24/7.
Best for emergencies (open 24/7): JW Plumbing, Heating and Air, posts 24/7 hours; ranked #2 of 1,764.
Most-reviewed: American AC Heat Plumbing, 3,299 Google reviews at 4.9★, the most of 1,764 ranked after Brody Pennell Heating & Air Conditioning; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,764 Glendale HVAC contractors are ranked here by CR Score, from 8 published factors. 662 are open 24/7, 1,382 open Saturdays and 1,073 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,764 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Brody Pennell Heating & Air Conditioning | 94 | 4.9★ (4,606) | Los Angeles, 10 mi away | 24/7 | Overall |
| 2 | JW Plumbing, Heating and Air | 93 | 4.8★ (2,541) | Los Angeles, 7 mi away | 24/7 | Emergencies |
| 3 | Precise Air Systems Inc. | 92 | 4.9★ (434) | Los Angeles, 1 mi away | 24/7 | — |
| 4 | Monkey Wrench Plumbing, Heating, Air & Electric | 92 | 4.9★ (275) | Glendale | 24/7 | — |
| 5 | American AC Heat Plumbing | 92 | 4.9★ (3,299) | Hawthorne, 16 mi away | 24/7 | Most reviews |
| 6 | Purified Air Heating and Air Conditioning, Inc | 91 | 5.0★ (251) | Pasadena, 6 mi away | 24/7 | — |
| 7 | Mor Air | 90 | 5.0★ (295) | North Hollywood, 9 mi away | 24/7 | — |
| 8 | AZ Air Conditioning and Heating | 90 | 4.8★ (3,170) | North Hills, 17 mi away | 24/7 | — |
| 9 | Universal Heating & Air | 90 | 4.8★ (404) | Los Angeles, 6 mi away | 24/7 | — |
| 10 | LC Heating & Air Conditioning | 90 | 5.0★ (197) | Los Angeles, 8 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.9★ from 4,606 Google reviews, the most Google reviews on this list (4,606).
Based in Los Angeles, 7 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 2,541 Google reviews, open 24/7.
Based in Los Angeles, 1 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 434 Google reviews, open 24/7.
Based in Glendale
Ranked #4 because of its Google rating and availability: 4.9★ from 275 Google reviews, open 24/7.
Based in Hawthorne, 16 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 3,299 Google reviews, open 24/7.
Based in Pasadena, 6 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 251 Google reviews, open 24/7.
Based in North Hollywood, 9 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 295 Google reviews, open 24/7.
Based in North Hills, 17 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 3,170 Google reviews, open 24/7.
Based in Los Angeles, 6 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 404 Google reviews, open 24/7.
Based in Los Angeles, 8 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 197 Google reviews, open 24/7.
Based in Van Nuys, 11 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 306 Google reviews, open 24/7.
Based in Gardena, 19 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 1,770 Google reviews, open 24/7.
Based in Los Angeles, 6 mi away
Ranked #13 because of its Google rating and availability: 4.8★ from 326 Google reviews, open 24/7.
Based in Los Angeles, 16 mi away
Ranked #14 because of its Google rating and availability: 4.7★ from 2,821 Google reviews, open 24/7.
Based in North Hollywood, 7 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 140 Google reviews, open 24/7.
Based in Torrance, 21 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 1,990 Google reviews, open 24/7.
Based in Gardena, 19 mi away
Ranked #17 because of its Google rating and availability: 4.8★ from 2,576 Google reviews, open 24/7.
Based in Culver City, 8 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 160 Google reviews, open 24/7.
Based in Burbank, 5 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 100 Google reviews, open 24/7.
Based in Glendale
Ranked #20 because of its Google rating and availability: 4.9★ from 61 Google reviews, open 24/7.
Based in Cerritos, 21 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 1,582 Google reviews, open 24/7.
Based in Burbank, 4 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 78 Google reviews, open 24/7.
Based in North Hills, 13 mi away
Ranked #23 because of its Google rating and availability: 4.9★ from 399 Google reviews, open 24/7.
Based in Sunland, 9 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 136 Google reviews, open 24/7.
Based in Los Angeles, 16 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 667 Google reviews, open 24/7.
#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 1,764 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 |
|---|---|---|
| 911 HVAC Tech | In Glendale | |
| Air Conditioning Glendale | 5.0★ (2) | In Glendale |
| AirMakers Heating Furnace Repair Glendale | In Glendale | |
| Aram Hvac Services Llc | In Glendale | |
| atoz hvac | In Glendale | |
| Brtgsf Glendale HVAC | In Glendale | |
| Coastal Comfort Heating and AC Repair | 3.0★ (2) | In Glendale |
| CozyFlow Air Conditioning And Heating | 5.0★ (1) | In Glendale |
| Diversified HVAC Mechanical Services. | 1.0★ (2) | In Glendale |
| ELITE ELECTRIC & HVAC | 5.0★ (2) | In Glendale |
| Green Planet Heating and Air | 5.0★ (68) | 4 mi |
| Home Tech Air Systems | 5.0★ (2) | In Glendale |
| Iceberg Heating & Air Conditioning, Inc. | 5.0★ (1) | In Glendale |
| Kuma Plumbing And Air Conditioning | 5.0★ (1) | In Glendale |
| Sears Heating and Air Conditioning | In Glendale | |
| SLR Heating and Cooling | 5.0★ (88) | 9 mi |
| STAY COOL HVAC, INC. | In Glendale | |
| Techno-Advanced, Inc. | 5.0★ (1) | In Glendale |
| TOTO Air inc | 5.0★ (180) | 13 mi |
| Woodward Brothers Plumbing LLC | 4.8★ (81) | In Glendale |
National price ranges in USD, not adjusted for Glendale. 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 1,764 Glendale 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 Glendale 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 |