Skip to content

Best HVAC Contractors in Westmont, CA (2026)

1,785 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Westmont: American AC Heat Plumbing, CR Score 67/100; 4.9★ from 3,299 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Brody Pennell Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 1,785.

  3. 2

    Most-reviewed: Brody Pennell Heating & Air Conditioning, 4,606 Google reviews at 4.9★, the most of 1,785 ranked; ranked #2.

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

1,785 Westmont HVAC contractors are ranked here by CR Score, from ten published factors. 648 are open 24/7, 1,393 open Saturdays and 1,080 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,785 rated businesses.

Top 10 HVAC contractors in Westmont at a glance

Top 10 HVAC contractors in Westmont at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1American AC Heat Plumbing674.9★ (3,299)Hawthorne, 2 mi away24/7Overall
2Brody Pennell Heating & Air Conditioning664.9★ (4,606)Los Angeles, 8 mi away24/7Emergencies, Most reviews
3Drain Right Services654.9★ (1,770)Gardena, 5 mi away24/7—
4Power Pro Plumbing Heating & Air654.8★ (2,576)Gardena, 5 mi away24/7—
5Adeedo Plumbing, Drains & Heating654.7★ (2,821)Los Angeles, 4 mi away24/7—
6Carter Services654.9★ (1,990)Torrance, 7 mi away24/7—
7JW Plumbing, Heating and Air654.8★ (2,541)Los Angeles, 7 mi away24/7—
8Service Champions Plumbing, Heating & AC644.9★ (667)Los Angeles, 4 mi away24/7—
9Power Pro Plumbing Heating & Air634.9★ (1,582)Cerritos, 13 mi away24/7—
10Air Tech 24 Heating and Air Conditioning634.9★ (387)Torrance, 7 mi away24/7—

The 1,785 best HVAC contractors in Westmont, ranked

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.

  1. Based in Gardena, 5 mi away

    65/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,770 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,770 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    18012 S Figueroa St, Gardena, CA 90248
  2. Based in Torrance, 7 mi away

    65/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,990 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,990 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2807 Oregon Ct F3, Torrance, CA 90503
  3. Based in Los Angeles, 5 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 110 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5309 Knowlton St, Los Angeles, CA 90045
  4. Based in Lawndale, 5 mi away

    61/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 78 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4633 Marine Ave UNIT 231, Lawndale, CA 90260

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 1,785 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Westmont, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Precise Air Systems Inc.614.9★ (434)15 mi
27Universal Heating & Air614.8★ (404)12 mi
28Orange Coast Plumbing615.0★ (276)15 mi
29John & Son HVAC Service614.9★ (63)3 mi
30K & L HVAC & Construction Services615.0★ (89)8 mi
31Palms Appliance Repair and HVAC615.0★ (92)8 mi
32A/C Control, Inc604.7★ (293)10 mi
33Monkey Wrench Plumbing, Heating, Air & Electric604.8★ (284)12 mi
34Los Angeles ❄️ Air Conditioning Service604.9★ (132)10 mi
35Kline AC Repair Services605.0★ (46)5 mi
36Purified Air Heating and Air Conditioning, Inc605.0★ (251)17 mi
37Cozy Air Conditioning604.9★ (93)8 mi
38Pacific Appliance Repair Services605.0★ (263)11 mi
39Reliable Home Comfort605.0★ (252)4 mi
40Mega Clean Air605.0★ (223)16 mi
41Stephens Plumbing, Heating & Air Conditioning604.7★ (417)14 mi
42MAX Appliance Repair Service605.0★ (172)9 mi
43Top HVAC604.8★ (101)2 mi
44Kahn Air Conditioning604.9★ (1,583)21 mi
45Mor Air605.0★ (295)19 mi
46CDY-HVAC INC604.9★ (26)2 mi
47Rosecrans HVAC Ladera Heights605.0★ (91)5 mi
48Fast Cool & Heat Inc.605.0★ (306)20 mi
49Norris AC & Heat605.0★ (47)7 mi
50Top Heating AC604.7★ (55)4 mi

Also serving Westmont

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 Westmont
BusinessGoogle ratingDistance
Air Conditoining & Heating Helper5.0★ (2)6 mi
Ambient Air5.0★ (2)4 mi
Bright Air Duct Services Co.5.0★ (2)4 mi
CARLSON HVAC LLC5.0★ (2)4 mi
Econo Air HVAC Inc3.0★ (2)5 mi
Ed Electrical Heating & AC4.5★ (2)4 mi
Home Office Cooling and Heating Service5.0★ (2)6 mi
Hvac Services Inc.5.0★ (2)6 mi
HVAC Services: Heating & Air Conditioning5.0★ (2)5 mi
Inaba Denko America5.0★ (2)6 mi
JennAir Appliance Repair4.8★ (37)5 mi
Just N Time Heating & Air Conditioning4.0★ (2)4 mi
Kenley Solutions5.0★ (2)5 mi
Martin’s AC & Heating Services4.6★ (54)5 mi
MEGA AIR CO, INC4.5★ (2)2 mi
Mylestone Technologies5.0★ (2)1 mi
Red Apple Air Conditioning4.9★ (107)11 mi
Service All-Stars Plumbing Heating and Air Comfort4.6★ (286)11 mi
Smart Control HVAC5.0★ (2)4 mi
WINN AIR CORP5.0★ (45)7 mi

How much do HVAC contractors cost in Westmont?

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

How much do HVAC contractors cost in Westmont?
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 Westmont HVAC contractors

We scored 1,785 Westmont 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Westmont data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Westmont: frequently asked questions

Who is the best HVAC contractor in Westmont?

By CR Score, the highest-ranked HVAC contractor in Westmont, CA is American AC Heat Plumbing with a CR Score of 67/100. It has 4.9★ from 3,299 Google reviews. It is open 24/7. Brody Pennell Heating & Air Conditioning (#2) and Drain Right Services (#3) follow. We ranked 1,785 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Westmont?

ContractorsRanked ranks 1,785 HVAC contractors serving Westmont, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Westmont are open 24/7?

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

Which HVAC contractors in Westmont work on weekends?

1,393 of 1,785 ranked HVAC contractors post Saturday hours and 1,080 post Sunday hours. The highest-ranked open Saturdays are American AC Heat Plumbing (#1), Brody Pennell Heating & Air Conditioning (#2) and Drain Right Services (#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 Westmont?

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 Westmont. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Westmont HVAC contractors have?

The median Google rating among 1,785 rated HVAC contractors in Westmont is 4.9★, with a median of 18 reviews. Brody Pennell Heating & Air Conditioning has the most, 4,606 reviews, and ranks #2. 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 Westmont?

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 Westmont

  1. October 2026: CR Scores recalculated for 1,785 hvac contractors serving Westmont.
  2. October 2026: 9 duplicate listings merged.

More HVAC contractors and Westmont pages

Other trades in Westmont