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ContractorsRanked

Best HVAC Contractors in Willowbrook, CA (2026)

1,786 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Willowbrook: American AC Heat Plumbing, CR Score 94/100; 4.9★ from 3,299 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Drain Right Services, posts 24/7 hours; ranked #2 of 1,786.

  3. 3

    Most-reviewed: Brody Pennell Heating & Air Conditioning, 4,606 Google reviews at 4.9★, the most of 1,786 ranked; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

1,786 Willowbrook HVAC contractors are ranked here by CR Score, from 8 published factors. 647 are open 24/7, 1,383 open Saturdays and 1,063 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,786 rated businesses.

Top 10 HVAC contractors in Willowbrook at a glance

Top 10 HVAC contractors in Willowbrook at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1American AC Heat Plumbing944.9★ (3,299)Hawthorne, 5 mi away24/7Overall
2Drain Right Services934.9★ (1,770)Gardena, 4 mi away24/7Emergencies
3Brody Pennell Heating & Air Conditioning934.9★ (4,606)Los Angeles, 11 mi away24/7Most reviews
4Carter Services934.9★ (1,990)Torrance, 7 mi away24/7—
5Power Pro Plumbing Heating & Air934.8★ (2,576)Gardena, 5 mi away24/7—
6JW Plumbing, Heating and Air924.8★ (2,541)Los Angeles, 8 mi away24/7—
7Power Pro Plumbing Heating & Air924.9★ (1,582)Cerritos, 10 mi away24/7—
8Adeedo Plumbing, Drains & Heating914.7★ (2,821)Los Angeles, 7 mi away24/7—
9Service Champions Plumbing, Heating & AC914.9★ (667)Los Angeles, 7 mi away24/7—
10Absolute Airflow Air Conditioning, Heating and Plumbing904.8★ (4,319)Westminster, 17 mi away24/7—

The 1,786 best HVAC contractors in Willowbrook, ranked

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.

  4. #4 Carter Services

    Based in Torrance, 7 mi away

    93/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 1,990 Google reviews, open 24/7.

    • 4.9★ from 1,990 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2807 Oregon Ct F3, Torrance, CA 90503
    View profile for Carter Services(310) 807-3426

  22. #22 Mega Clean Air

    Based in Santa Fe Springs, 13 mi away

    88/100CR Score

    Ranked #22 because of its Google rating and availability: 5.0★ from 223 Google reviews, open 24/7.

    • 5.0★ from 223 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16033 Valley View Ave, Santa Fe Springs, CA 90670
    View profile for Mega Clean Air(714) 696-9877

HVAC contractors ranked #26 to #50

#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 1,786 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Willowbrook, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26K & L HVAC & Construction Services885.0★ (89)9 mi
27Precise Air Systems Inc.884.9★ (434)16 mi
28Monkey Wrench Plumbing, Heating, Air & Electric884.8★ (284)11 mi
29Home Comfort USA884.8★ (2,813)24 mi
30Purified Air Heating and Air Conditioning, Inc885.0★ (251)17 mi
31Veteran Air884.9★ (1,091)23 mi
32HeX HVAC875.0★ (64)8 mi
33Universal Heating & Air874.8★ (404)15 mi
34AARD Mechanical Air Conditioning & Heating874.9★ (547)20 mi
35Palms Appliance Repair and HVAC875.0★ (92)12 mi
36Reliable Appliance, Heating and Air874.9★ (426)6 mi
37Stephens Plumbing, Heating & Air Conditioning874.7★ (417)13 mi
38Kline AC Repair Services875.0★ (46)7 mi
39Service Hero Plumbing, HVAC, and Electrical874.8★ (1,840)24 mi
40Titan Air Conditioning874.9★ (439)19 mi
41Service All-Stars Plumbing Heating and Air Comfort874.6★ (286)8 mi
42Malone Heating & Cooling875.0★ (32)6 mi
43Aire Serv of Pasadena874.9★ (394)20 mi
44Mor Air875.0★ (295)22 mi
45Norris AC & Heat875.0★ (47)9 mi
46Mr Heat and Cooling875.0★ (40)8 mi
47John & Son HVAC Service874.9★ (63)4 mi
48MGM Appliance Repair874.9★ (110)8 mi
49A/C Control, Inc864.7★ (293)13 mi
50Coast Plumbing, Heating & Air, Inc.864.9★ (596)24 mi

Also serving Willowbrook

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.

Unranked HVAC contractors serving Willowbrook
BusinessGoogle ratingDistance
Air Conditoining & Heating Helper5.0★ (2)3 mi
Ambient Air5.0★ (2)7 mi
Bestline Plumbing3.0★ (2)6 mi
Bright Air Duct Services Co.5.0★ (2)7 mi
CARLSON HVAC LLC5.0★ (2)3 mi
Chirco Heating & Air Conditioning5.0★ (2)7 mi
Econo Air HVAC Inc3.0★ (2)4 mi
Ed Electrical Heating & AC4.5★ (2)7 mi
Habra's Air Conditioning Installation Service5.0★ (2)8 mi
Home Office Cooling and Heating Service5.0★ (2)6 mi
HVAC Services: Heating & Air Conditioning5.0★ (2)4 mi
Inaba Denko America5.0★ (2)5 mi
Just N Time Heating & Air Conditioning4.0★ (2)5 mi
Kahn Air Conditioning4.9★ (1,583)24 mi
Kenley Solutions5.0★ (2)8 mi
MEGA AIR CO, INC4.5★ (2)3 mi
Mylestone Technologies5.0★ (2)4 mi
Red Apple Air Conditioning4.9★ (107)9 mi
Rooter Hero Plumbing & Air4.7★ (142)10 mi
Smart Control HVAC5.0★ (2)4 mi

How much do HVAC contractors cost in Willowbrook?

National price ranges in USD, not adjusted for Willowbrook. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Willowbrook?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in California

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).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

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

When to hire an HVAC contractor in California

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

How we ranked Willowbrook HVAC contractors

We scored 1,786 Willowbrook 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Willowbrook data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Willowbrook: frequently asked questions

Who is the best HVAC contractor in Willowbrook?

By CR Score, the highest-ranked HVAC contractor in Willowbrook, CA is American AC Heat Plumbing with a CR Score of 94/100. It has 4.9★ from 3,299 Google reviews. It is open 24/7. Drain Right Services (#2) and Brody Pennell Heating & Air Conditioning (#3) follow. We ranked 1,786 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Willowbrook?

ContractorsRanked ranks 1,786 HVAC contractors serving Willowbrook, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Willowbrook are open 24/7?

647 ranked HVAC contractors in Willowbrook post 24/7 hours. The highest-ranked are American AC Heat Plumbing (#1), Drain Right Services (#2) and Brody Pennell Heating & Air Conditioning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Willowbrook work on weekends?

1,383 of 1,786 ranked HVAC contractors post Saturday hours and 1,063 post Sunday hours. The highest-ranked open Saturdays are American AC Heat Plumbing (#1), Drain Right Services (#2) and Brody Pennell Heating & Air Conditioning (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does ac replacement cost in Willowbrook?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Willowbrook. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Willowbrook HVAC contractors have?

The median Google rating among 1,786 rated HVAC contractors in Willowbrook is 4.9★, with a median of 18 reviews. Brody Pennell Heating & Air Conditioning has the most, 4,606 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Willowbrook?

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

Update log for Willowbrook

  1. October 2026: CR Scores recalculated for 1,786 hvac contractors serving Willowbrook.
  2. October 2026: 8 duplicate listings merged.

More HVAC contractors and Willowbrook pages

Other trades in Willowbrook