37 Emergency HVAC Contractors in Costa Mesa, CA

4.8 avg rating
4,145 total reviews18 offer 24/7 service

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Top-Rated Emergency HVAC Contractors in Costa Mesa

#1

JustinTime Plumbing Heating and Air

4.9(1,408 reviews)
24/7 Highly Rated

The overwhelming majority of JustinTime's 1,408 reviewers award five stars, with repeat customers accounting for a significant share of feedback. Four of nine…

331 W Bay St, Costa Mesa, CA 92627
#2

First Garage Door and Gate Repair Inc - Costa Mesa, CA

4.9(617 reviews)
24/7 Highly Rated

Every reviewer who leaves five stars for First Garage Door and Gate Repair Inc mentions Jonathan by name, praising his direct communication and hands-on…

600 Anton Blvd Suite 1100, Costa Mesa, CA 92626
#3

Pristine Air Conditioning, Heating & Plumbing

5.0(329 reviews)
24/7 Highly Rated

Technicians Anthony and Fadi receive repeated recognition for walking customers through equipment operation and providing upfront bids, while negative feedback…

555 Anton Blvd suit 150, Costa Mesa, CA 92626

All Emergency HVAC Contractors (37 total)

Klondike Air Conditioning & Heating

4.9(355)
Highly Rated

All seven sampled reviews award 5 stars, with customers specifically naming technicians Richard, Mathew, and…

1308 Logan Ave # E, Costa Mesa, CA 92626

Cowboys Auto Repair

4.9(320)
24/7 Highly Rated

All three displayed reviews award 5 stars and mention a named technician by name: Mo completed an engine…

2285 Newport Blvd, Costa Mesa, CA 92627

Monkey Wrench Plumbing, Heating, Air & Electric

5.0(203)
24/7 Highly Rated

Across 203 five-star reviews, customers repeatedly praised specific technicians by name, particularly Luis,…

3420 Bristol St Suite 600-G, Costa Mesa, CA 92626

Rooter Hero Plumbing & Air of Costa Mesa

4.9(143)
24/7 Highly Rated

Five of seven reviewers awarded 5 stars and specifically praised named technicians Eddie, Julio, Ryan,…

555 Anton Blvd #150a, Costa Mesa, CA 92626

Absolute Comfort Heating & Air Conditioning

4.9(113)
24/7 Highly Rated

All eight detailed reviewers awarded five stars and praised either Marc or Mark by name, with three…

1253 Logan Ave # A, Costa Mesa, CA 92626

Reliable Rooter & Plumbing, Inc.

5.0(86)

Every one of 86 reviewers awarded five stars, with zero detractors visible in the sampled feedback.…

2925 College Ave #A12, Costa Mesa, CA 92626

Mike Diamond Plumbing, HVAC & Electrical

4.4(102)
24/7

All eight featured reviews carry 5-star ratings, and four customers specifically name Elmer or Hamid as the…

2949 Randolph Av suite f, Costa Mesa, CA 92626

Popsicle Air

5.0(58)
24/7

Andrew and Daniel earn consistent recognition across reviews for professionalism, clear explanations, and…

2991 Randolph Av, Costa Mesa, CA 92626

SERVPRO of Costa Mesa

5.0(50)
24/7

All 50 reviews award 5 stars, with reviewers consistently citing rapid response and professional crews as…

1631 Placentia Ave STE A1, Costa Mesa, CA 92627

Carter & Sons Heating & AC Company

4.8(48)
24/7

All three featured reviews award five stars, with 48 total reviews supporting a 4.8 average rating. Emergency…

2933 Harbor Blvd, Costa Mesa, CA 92626

Brothers Plumbing Heating & Air

4.7(49)
24/7

Of 49 reviews totaling a 4.7-star average, negative feedback centers on pricing perception while five-star…

1675 Superior Ave, Costa Mesa, CA 92627

Walker Air Conditioning & Heating

5.0(36)
24/7

All 36 reviews award 5 stars, with customers repeatedly noting same-day emergency service and the cleanliness…

600 Anton Blvd suite 318, Costa Mesa, CA 92626

Newport Tire & Auto Care

4.6(40)

Five of seven reviewers awarded five stars, with Scott praised for diagnostic speed and fair pricing. One…

196 E 16th St, Costa Mesa, CA 92627

Coolman Mobile Auto A/C Service

4.7(24)

Every reviewer rates the experience five stars, with Paul and technician Martine named by multiple customers…

Costa Mesa, CA 92627

Basic Air

4.8(20)

All 20 reviewers rate Basic Air 5 stars, with 6 reviewers naming specific technicians including Ryan, Viktor,…

Costa Mesa, CA 92626

Apollo Air Conditioning & Heating

5.0(15)

15 reviewers awarded Apollo Air Conditioning & Heating a perfect 5-star rating, with no scored critique…

427 E 17th St F1002, Costa Mesa, CA 92627

Moore Appliance Pros

5.0(13)

All 13 reviews award 5 stars, with customers frequently citing same-day service and transparent pricing as…

655 Baker St unit f108, Costa Mesa, CA 92626

Boyer Electric

4.3(20)

Five of six reviewers award five stars, with recurring praise for diagnostic accuracy and professional…

1656 Babcock St, Costa Mesa, CA 92627

Benrich Service Company

3.7(31)

4 of 5 reviewers scoring 4 or 5 stars cited specific technicians Chris, Jeremiah, and Gio for diagnostic…

3190 Airport Loop Dr STE G, Costa Mesa, CA 92626

Comfort Brothers HVAC

5.0(10)
24/7

Eight of ten reviewers describe fast, efficient service, while six specifically call out technicians Brian or…

1555 Mesa Verde Dr E #58j, Costa Mesa, CA 92626

Cool HVAC: Heating & Air Conditioning Solutions Inc

5.0(9)

All nine reviewers awarded perfect 5-star ratings without exception. Four customers specifically praised…

1958 Placentia Ave, Costa Mesa, CA 92627

A1 Plumbing Heating & AC Repairs

5.0(9)
24/7

All 9 customers rate A1 Plumbing Heating & AC Repairs at 5 stars, with reviewers repeatedly citing rapid…

2350 Orange Ave #1, Costa Mesa, CA 92627

Cool Touch Heating & AC Repair Costa Mesa

4.6(11)

All 11 reviewers awarded 5 stars except one dissenting voice, with Luis named repeatedly for exceptional…

1700 Adams Ave Suite G, Costa Mesa, CA 92626

Greatest HVAC Repair Costa Mesa

5.0(7)
24/7

Every one of the seven client testimonials awards a five-star rating, and not a single negative review…

2300 Harbor Blvd, Costa Mesa, CA 92626

Superior Costa Mesa CA AC Repair

5.0(7)
24/7

Every reviewer awarded a five-star rating, with six of seven clients emphasizing rapid arrival times and…

1308 Cte Maltera, Costa Mesa, CA 92626

Reliable

4.4(7)
24/7
2900 Bristol St Suite G, Costa Mesa, CA 92626

Costa Mesa Emergency Sprinkler Repair Co.

5.0(5)

Both reviewers award 5 stars and highlight emergency availability, with one customer calling at 8 PM and…

3187 Airway Ave, Costa Mesa, CA 92626

Emergency HVAC Costs in Costa Mesa

After-hours, weekend, and holiday HVAC service pricing in Costa Mesa. Rates are typically 1.5-2x standard.

ServiceLowAverageHigh
After-hours service call (weekday night)
Base fee before labor
$143$190$285
Weekend service call
$166$214$309
Holiday / major holiday call
$214$285$428
Emergency labor (hourly)
1.5-2x standard hourly rate
$152$195$238
Emergency repair total (typical)
Repair + after-hours surcharge
$285$665$1,140
Emergency repair (major)
Compressor, heat exchanger failures
$1,140$2,090$3,325

Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

Emergency HVAC in Costa Mesa, CA: What to Expect

Costa Mesa’s position in the Los Angeles metro brings mostly mild Mediterranean weather, but seasonal swings and occasional Santa Ana-driven heat spikes push AC systems hard and create urgent needs. That pressure helps explain why 37 contractors list services here, averaging a 4.3 rating across 4,152 reviews, and why emergency-hvac Costa Mesa search results commonly highlight local 24/7 availability—22 firms advertise round-the-clock response.

Specific top-cost figures weren’t supplied in the data set, so homeowners should be prepared for wide variation: emergency diagnostics, refrigerant recovery or recharge, compressor repairs, and full system replacements carry different price profiles. California requires technicians to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, so price comparisons should be made among properly licensed firms and include any emergency service premiums and warranty terms.

No individual customer highlights were included in the provided information, so review patterns and market signals are useful substitutes: prioritize companies with prompt confirmed response times, clear written estimates, transparent fee structures for nights/weekends, and standing warranties. Verify C-20 licensing, ask for proof of insurance, and check recent reviews for consistency on timeliness and post-repair follow-up before committing to an emergency callout.

Frequently Asked Questions

Emergency HVAC in Costa Mesa adds a premium of $100-$300 to the standard service call fee, with labor billed at 1.5-2x normal rates. After-hours weekday calls typically run $150-$300 before repairs, weekends $175-$325, and holidays $225-$450. Total emergency repair costs usually land between $300-$1,200.

All HVAC Contractors in Costa Mesa, CA

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