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Best HVAC Contractors in La Mirada, CA (2026)

1,820 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in La Mirada: Power Pro Plumbing Heating & Air, CR Score 65/100; 4.9★ from 1,582 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Absolute Airflow Air Conditioning, Heating and Plumbing, posts 24/7 hours; ranked #2 of 1,820.

  3. 10

    Most-reviewed: Service Champions Plumbing, Heating & AC, 6,978 Google reviews at 4.9★, the most of 1,820 ranked; ranked #10.

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

1,820 La Mirada HVAC contractors are ranked here by CR Score, from ten published factors. 637 are open 24/7, 1,413 open Saturdays and 1,039 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,820 rated businesses.

Top 10 HVAC contractors in La Mirada at a glance

Top 10 HVAC contractors in La Mirada at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Power Pro Plumbing Heating & Air654.9★ (1,582)Cerritos, 5 mi away24/7Overall
2Absolute Airflow Air Conditioning, Heating and Plumbing644.8★ (4,319)Westminster, 11 mi away24/7Emergencies
3Dial One Sonshine Heating, Air & Plumbing644.9★ (2,852)Santa Ana, 13 mi away24/7—
4Home Comfort USA644.8★ (2,813)Anaheim, 11 mi away24/7—
5Orange Coast Plumbing635.0★ (276)Buena Park, 3 mi away24/7—
6Mega Clean Air635.0★ (223)Santa Fe Springs, 2 mi away24/7—
7Veteran Air634.9★ (1,091)Anaheim, 10 mi away24/7—
8AARD Mechanical Air Conditioning & Heating634.9★ (547)Brea, 6 mi away24/7—
9Titan Air Conditioning634.9★ (439)Brea, 6 mi away24/7—
10Service Champions Plumbing, Heating & AC634.9★ (6,978)Brea, 9 mi awaySat · EveningsMost reviews

The 1,820 best HVAC contractors in La Mirada, 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 Anaheim, 11 mi away

    64/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 2,813 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,813 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1120 N Tustin Ave, Anaheim, CA 92807
  2. Based in Santa Fe Springs, 2 mi away

    63/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 223 Google reviews, listed on Google as “Air conditioning contractor”.

    • 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
  3. Based in Anaheim, 10 mi away

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,091 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,091 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2925 E Ricker Way, Anaheim, CA 92806
  4. Based in Gardena, 16 mi away

    62/100CR Score

    Ranked #16 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
  5. Based in Yorba Linda, 13 mi away

    62/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 764 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8642 Bridle Cir, Yorba Linda, CA 92886
  6. Based in Fullerton, 6 mi away

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.7★ from 438 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 438 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    110 E Wilshire Ave Suite G-5, Fullerton, CA 92832

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 1,820 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in La Mirada, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Service Hero Plumbing, HVAC, and Electrical624.8★ (1,506)15 mi
27Carter Services624.9★ (1,990)19 mi
28Downey Plumbing Heating & Air Conditioning614.7★ (467)7 mi
29Comfort Time Plumbing Heating & Cooling615.0★ (740)5 mi
30Alps Heating & Air Conditioning, Inc.614.9★ (1,005)10 mi
31Coast Plumbing, Heating & Air, Inc.614.9★ (596)15 mi
32Cole Services614.7★ (684)11 mi
33JustinTime Plumbing Heating and Air614.9★ (1,328)19 mi
34One Stop Heating and Cooling Inc.615.0★ (64)3 mi
35We Care Plumbing, Heating and Air614.8★ (1,511)12 mi
36Accurate Comfort Air Conditioning And Heating614.9★ (135)7 mi
37Monkey Wrench Plumbing, Heating, Air & Electric614.9★ (310)12 mi
38Metz Air Control614.9★ (969)19 mi
39Rooter Hero Plumbing & Air614.7★ (142)4 mi
40Service Hero614.9★ (236)5 mi
41Adeedo Plumbing, Drains & Heating604.7★ (2,821)21 mi
42JW Plumbing, Heating & Air604.8★ (175)8 mi
43Airplus of California Inc.604.9★ (1,325)22 mi
44Bellflower Plumbing Heating And Air Conditioning604.9★ (31)In La Mirada
45Command Comfort605.0★ (301)16 mi
46NexGen HVAC & Plumbing604.7★ (538)13 mi
47Service All-Stars Plumbing Heating and Air Comfort604.6★ (286)7 mi
48Marathon Plumbing, Heating and AC Repair604.9★ (410)3 mi
49Aire Serv of Pasadena604.9★ (394)16 mi
50One Hour Heating & Air Conditioning605.0★ (143)12 mi

Also serving La Mirada

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.

How much do HVAC contractors cost in La Mirada?

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

How much do HVAC contractors cost in La Mirada?
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 La Mirada HVAC contractors

We scored 1,820 La Mirada 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 La Mirada 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 La Mirada: frequently asked questions

Who is the best HVAC contractor in La Mirada?

By CR Score, the highest-ranked HVAC contractor in La Mirada, CA is Power Pro Plumbing Heating & Air with a CR Score of 65/100. It has 4.9★ from 1,582 Google reviews. It is open 24/7. Absolute Airflow Air Conditioning, Heating and Plumbing (#2) and Dial One Sonshine Heating, Air & Plumbing (#3) follow. We ranked 1,820 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in La Mirada?

ContractorsRanked ranks 1,820 HVAC contractors serving La Mirada, CA. 1 of them is based in La Mirada; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in La Mirada are open 24/7?

637 ranked HVAC contractors in La Mirada post 24/7 hours. The highest-ranked are Power Pro Plumbing Heating & Air (#1), Absolute Airflow Air Conditioning, Heating and Plumbing (#2) and Dial One Sonshine Heating, Air & Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in La Mirada work on weekends?

1,413 of 1,820 ranked HVAC contractors post Saturday hours and 1,039 post Sunday hours. The highest-ranked open Saturdays are Power Pro Plumbing Heating & Air (#1), Absolute Airflow Air Conditioning, Heating and Plumbing (#2) and Dial One Sonshine Heating, Air & Plumbing (#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 La Mirada?

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

What Google rating do La Mirada HVAC contractors have?

The median Google rating among 1,820 rated HVAC contractors in La Mirada is 4.9★, with a median of 17 reviews. Service Champions Plumbing, Heating & AC has the most, 6,978 reviews, and ranks #10. 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 La Mirada?

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 La Mirada

  1. October 2026: CR Scores recalculated for 1,820 hvac contractors serving La Mirada.
  2. October 2026: 13 duplicate listings merged.

More HVAC contractors and La Mirada pages

Other trades in La Mirada