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ContractorsRanked

Best HVAC Contractors in Orange, CA (2026)

1,295 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Orange: Dial One Sonshine Heating, Air & Plumbing, CR Score 94/100; 4.9★ from 2,852 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Service Hero Plumbing, HVAC, and Electrical, posts 24/7 hours; ranked #2 of 1,295.

  3. 5

    Most-reviewed: Absolute Airflow Air Conditioning, Heating and Plumbing, 4,319 Google reviews at 4.8★, the most of 1,295 ranked; ranked #5.

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

1,295 Orange HVAC contractors are ranked here by CR Score, from 8 published factors. 424 are open 24/7, 997 open Saturdays and 683 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,295 rated businesses.

Top 10 HVAC contractors in Orange at a glance

Top 10 HVAC contractors in Orange at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Dial One Sonshine Heating, Air & Plumbing944.9★ (2,852)Santa Ana, 5 mi away24/7Overall
2Service Hero Plumbing, HVAC, and Electrical944.8★ (1,840)Orange24/7Emergencies
3Home Comfort USA934.8★ (2,813)Anaheim, 5 mi away24/7—
4Veteran Air924.9★ (1,091)Anaheim, 5 mi away24/7—
5Absolute Airflow Air Conditioning, Heating and Plumbing924.8★ (4,319)Westminster, 10 mi away24/7Most reviews
6Air Concepts Air Conditioning and Heating924.9★ (995)Anaheim, 5 mi away24/7—
7NexGen HVAC & Plumbing914.7★ (2,250)Anaheim, 6 mi away24/7—
8Orange Coast Plumbing914.9★ (764)Yorba Linda, 7 mi away24/7—
9JustinTime Plumbing Heating and Air914.9★ (1,328)Costa Mesa, 10 mi away24/7—
10One Hour Heating & Air Conditioning915.0★ (143)Orange24/7—

The 1,295 best HVAC contractors in Orange, 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.

  3. #3 Home Comfort USA

    Based in Anaheim, 5 mi away

    93/100CR Score

    Ranked #3 because of its Google rating and availability: 4.8★ from 2,813 Google reviews, open 24/7.

    • 4.8★ from 2,813 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1120 N Tustin Ave, Anaheim, CA 92807
    View profile for Home Comfort USA(714) 467-2932

  4. #4 Veteran Air

    Based in Anaheim, 5 mi away

    92/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 1,091 Google reviews, open 24/7.

    • 4.9★ from 1,091 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2925 E Ricker Way, Anaheim, CA 92806
    View profile for Veteran Air(714) 426-9420

  16. #16 Command Comfort

    Based in Fountain Valley, 8 mi away

    90/100CR Score

    Ranked #16 because of its Google rating and availability: 5.0★ from 301 Google reviews, open 24/7.

    • 5.0★ from 301 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    18259 Mt Baldy Cir, Fountain Valley, CA 92708
    View profile for Command Comfort(714) 952-3900

  18. #18 Air Care

    Based in Rancho Santa Margarita, 18 mi away

    90/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 1,350 Google reviews, open 24/7.

    • 5.0★ from 1,350 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    30211 Avenida de las Banderas #200, Rancho Santa Margarita, CA 92688
    View profile for Air Care(949) 446-1606

  23. #23 Cole Services

    Based in Garden Grove, 5 mi away

    90/100CR Score

    Ranked #23 because of its Google rating and availability: 4.7★ from 684 Google reviews, open 24/7.

    • 4.7★ from 684 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10652 Trask Ave, Garden Grove, CA 92843
    View profile for Cole Services(714) 467-2911

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 1,295 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Orange, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Just Right Services904.9★ (846)14 mi
27Titan Air Conditioning904.9★ (439)10 mi
28Service All-Stars Plumbing Heating and Air894.8★ (178)3 mi
29Alps Heating & Air Conditioning, Inc.894.9★ (1,005)3 mi
30Triton Air & Plumbing894.8★ (1,069)13 mi
31Greenstar Home Services / RighTime Home Services894.6★ (967)6 mi
32HVAC Alliance Expert895.0★ (76)4 mi
33All Pro Cooling, Heating, Plumbing & Electrical894.7★ (4,107)19 mi
34Metz Air Control894.9★ (969)17 mi
35Orange County895.0★ (42)In Orange
36SoCal Airflow Pros894.9★ (1,005)18 mi
37White Mechanical, Inc.894.9★ (478)14 mi
38Avis Plumbing and Air894.7★ (438)7 mi
39Cooling & Heating Repair894.8★ (402)10 mi
40CoolPros Heating and Air895.0★ (67)4 mi
41Mega Clean Air895.0★ (223)12 mi
42Rooter Hero Plumbing & Air of Costa Mesa894.9★ (143)7 mi
43Orange Coast Plumbing895.0★ (276)14 mi
44American Service Alliance885.0★ (75)6 mi
45RighTime Home Services884.7★ (3,741)20 mi
46Kahuna Comfort Plumbing Heating & Air884.9★ (1,019)7 mi
47Authority Plumbing, Heating and Air885.0★ (173)13 mi
48Irvine Air885.0★ (73)7 mi
49Positive Plumbing, Heating & AC Repair884.9★ (131)8 mi
50Aced It Heating & AC Repair885.0★ (306)16 mi

Also serving Orange

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 Orange
BusinessGoogle ratingDistance
24Seven Heating and Cooling5.0★ (2)3 mi
Amir's Design5.0★ (2)3 mi
Circle Airflow Heating And Air Conditioning.5.0★ (2)7 mi
Comfort Elite HVAC4.5★ (91)In Orange
David Waldrop Heating & Refrigeration5.0★ (2)6 mi
DPL Air Conditioning and Heating Inc3.0★ (2)5 mi
Heating & Air Conditioning5.0★ (2)7 mi
Heating and Air Conditioning5.0★ (2)6 mi
HVAC Services Anaheim5.0★ (2)3 mi
Kmbntp Yorba Linda HVAC5.0★ (2)7 mi
Pacific Comfort HVAC5.0★ (2)4 mi
Penguin Heating and Air5.0★ (144)5 mi
Power Pro Plumbing Heating & Air4.8★ (231)6 mi
Prime HVAC Repair Orange CAIn Orange
Quality Heating & Air Conditioning Repair5.0★ (2)6 mi
Santa Ana Air Conditioning & HVAC5.0★ (2)4 mi
Sears Heating and Air Conditioning5.0★ (2)3 mi
STINER PLUMBING4.0★ (1)In Orange
Wilson Duct Repair Service5.0★ (2)9 mi
Zach Taylor Heating and Air5.0★ (2)6 mi

How much do HVAC contractors cost in Orange?

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

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

We scored 1,295 Orange 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 Orange 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 Orange: frequently asked questions

Who is the best HVAC contractor in Orange?

By CR Score, the highest-ranked HVAC contractor in Orange, CA is Dial One Sonshine Heating, Air & Plumbing with a CR Score of 94/100. It has 4.9★ from 2,852 Google reviews. It is open 24/7. Service Hero Plumbing, HVAC, and Electrical (#2) and Home Comfort USA (#3) follow. We ranked 1,295 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Orange?

ContractorsRanked ranks 1,295 HVAC contractors serving Orange, CA. 5 of them are based in Orange; 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 Orange are open 24/7?

424 ranked HVAC contractors in Orange post 24/7 hours. The highest-ranked are Dial One Sonshine Heating, Air & Plumbing (#1), Service Hero Plumbing, HVAC, and Electrical (#2) and Home Comfort USA (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Orange work on weekends?

997 of 1,295 ranked HVAC contractors post Saturday hours and 683 post Sunday hours. The highest-ranked open Saturdays are Dial One Sonshine Heating, Air & Plumbing (#1), Service Hero Plumbing, HVAC, and Electrical (#2) and Home Comfort USA (#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 Orange?

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

What Google rating do Orange HVAC contractors have?

The median Google rating among 1,295 rated HVAC contractors in Orange is 4.9★, with a median of 18 reviews. Absolute Airflow Air Conditioning, Heating and Plumbing has the most, 4,319 reviews, and ranks #5. 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 Orange?

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 Orange

  1. October 2026: CR Scores recalculated for 1,295 hvac contractors serving Orange.
  2. October 2026: 10 duplicate listings merged.

More HVAC contractors and Orange pages

Other trades in Orange