28 AC Repair Contractors in Fremont, CA

3.2 avg rating
1,438 total reviews13 offer 24/7 service
Need emergency service? 16 HVAC providers in Fremont offer 24/7 availability

Top-Rated AC Repair Contractors in Fremont

#1

AIS Heating & Air Conditioning

4.9(809 reviews)
24/7 Highly Rated

All four sampled reviewers award 5 stars, with three specifically naming technicians (Fausto, Abel, Leon, Pete) who performed the work. Positive themes include…

4432 Enterprise St suite a, Fremont, CA 94538
Call
#2

First Appliance Repair

4.3(215 reviews)

215 reviews yield a 4.3-star average, with positive feedback highlighting same-day service, parts availability, and technician Oscar's diagnostic skills. The…

3400 Stevenson Blvd Apt N12, Fremont, CA 94538
Call
#3

Fasthuma Computer Repair Mac & PC

4.7(86 reviews)

86 reviewers collectively rate Fasthuma 4.7 stars, with multiple customers specifically praising Mustafah's honest communication, fast turnaround, and ability…

42307 Osgood Rd B, Fremont, CA 94539
Call

All AC Repair Contractors (28 total)

Ace HVAC and Appliance Repair

4.8(68)
24/7

Four of sixty-eight reviewers explicitly describe same-day or same-hour service, with one client noting a…

43156 Brighton Common, Fremont, CA 94538
Call

Giant HVAC, Inc

4.9(61)
43012 Christy St, Fremont, CA 94538
Call

Heating And Air Experts

5.0(43)
24/7

All eight sampled reviewers award 5 stars, with three specifically naming technician Moe or Mo. Response…

215 Starlite Way, Fremont, CA 94539
Call

Chill Heating and Cooling

5.0(42)
24/7

42 reviews with a perfect 5.0-star average, including 7 five-star ratings and one four-star review. Reviewers…

43266 Christy St, Fremont, CA 94538
Call

Sharkaire

4.7(24)

All five detailed reviews award 5 stars, with reviewers specifically naming Kaya and Robert for their…

4400 Enterprise Pl suit-a, Fremont, CA 94538
Call

Flash Chimney Fremont and Ducts

5.0(18)

All eight reviewers awarded 5 stars, with Chris and John receiving named recognition for their…

39055 Hastings St, Fremont, CA 94538
Call

Artspeed RV Mobile Service

4.6(19)
24/7

15 of 19 reviewers gave 5-star ratings, with recurring praise for same-day emergency service and technician…

5117 Xavier Common, Fremont, CA 94555
Call

A and R Air Conditioning and Heating

4.6(15)

All three available reviews award 5 stars, with customers specifically naming technicians Marko and Julian…

4635 Pardee Ave, Fremont, CA 94538
Call

Premium AC Repair Fremont CA

5.0(8)
24/7

All 4 client reviews award 5 stars, with reviewers praising project completion ahead of schedule, efficient…

39655 Trinity Way, Fremont, CA 94538
Call

Pipe Plumbers Fremont

5.0(8)
24/7

All 8 reviews award 5 stars, with 4 reviewers specifically mentioning same-day or emergency response. Javier…

43555 Grimmer Blvd Apt L1100, Fremont, CA 94538
Call

J & Z

4.5(8)
24/7

Seven of eight reviews award five stars, with customers specifically praising transparent pricing, same-day…

41223 Roberts Ave, Fremont, CA 94538
Call

TOTO Heating And Cooling

5.0(6)

All 5 reviewers awarded 5-star ratings, with Eli's communication during a parts delay mentioned by one client…

41111 Mission Blvd #105, Fremont, CA 94539
Call

Flide HVAC & Airduct Cleaning Fremont

5.0(3)

All three reviewers gave 5-star ratings, with two specifically naming the technician who handled their job.…

45570 Industrial Pl #6, Fremont, CA 94538

RCS Mechanical Services

4.0(2)

Two reviewers have rated RCS Mechanical Services at an average of 4.0 stars. One 5-star review from Giovanni…

4161 Ingot St, Fremont, CA 94538
Call

Ac Heaterman

5.0(1)

The single available review awards Ac Heaterman a perfect 5.0-star rating, indicating high customer…

37539 Glenmoor Dr, Fremont, CA 94536

Alton

5.0(1)

The single available review awards Alton a 5-star rating, indicating satisfactory service. However, the…

41041 Trimboli Way, Fremont, CA 94538
Call

Bay Area Heat Pump & HVAC – Excellence

5.0(1)

The single five-star review praises the team for professionalism, on-time arrival, clear explanations, and a…

44150 Old Warm Springs Blvd, Fremont, CA 94538
Call

Impulse Pro

0.0
24/7
2850 Beard Terrace, Fremont, CA 94555
Call

Greenfriendly HVAC and Plumbing

0.0
36797 Marlowe St, Fremont, CA 94536
Call

BreezeMaster HVAC

0.0
24/7
34749 Powder River Pl, Fremont, CA 94555
Call

ArcticCore AC Service

0.0
4351 Richmond Ave, Fremont, CA 94536
Call

CoolCraft HVAC

0.0
37607 Pimento Common, Fremont, CA 94536
Call

PolarFlow AC Service

0.0
24/7
4772 Piper St, Fremont, CA 94538
Call

Services

0.0
3342 Walnut Ave, Fremont, CA 94538

Midair

0.0
24/7
39300 Civic Center Dr, Fremont, CA 94538
Call

Ontario Refrigeration Services Inc

0.0
48511 Warm Springs Blvd Suite 212, Fremont, CA 94539
Call

ALL BAY INSULATION & HVAC, INC.

0.0
24/7
3345 Seldon Ct # B, Fremont, CA 94539

AC Repair Costs in Fremont

Typical repair costs for Fremont homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$71$114$190
Refrigerant recharge (R-410A)
$143$333$665
Capacitor replacement
$114$238$428
Fan motor replacement
$238$428$665
Compressor replacement
$760$1,710$2,660
Evaporator coil repair
$380$855$1,425
Labor (hourly rate)
Per hour during business hours
$71$105$143

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

AC Repair in Fremont, CA: What to Expect

Fremont sits in the South Bay section of the San Jose metro area, where summers stay comfortable at 82 degrees on average but heat waves regularly push temperatures past 100 degrees. That kind of heat creates real demand for reliable AC repair in Fremont. Five licensed contractors serve this market, and their collective reputation speaks for itself: a 4.9 average rating drawn from nearly a thousand customer reviews. Four of them offer around-the-clock service, which matters when a compressor fails on a Tuesday night.

Pricing for common repairs stays within predictable bounds. A diagnostic visit runs $71 to $190, while a refrigerant recharge using R-410A costs $143 to $665. Capacitor replacement, one of the more frequent repairs in this climate, runs $114 to $428. These figures reflect the age of the system, labor complexity, and parts availability. California law requires any contractor handling this work to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the Contractors State License Board, which provides baseline accountability for homeowners.

Customer feedback reveals what separates the better options from the rest. AIS Heating & Air Conditioning earns consistent mentions for clear communication and thorough cleanups, with technicians Fausto, Abel, Leon and Pete named directly across multiple five-star reviews. Ace HVAC and Appliance Repair draws attention for same-day or same-hour response times, including a reviewer who noted a one-hour arrival on a weekend call. J & Z receives praise for transparent pricing and same-day response, with customers appreciating a technician's patience in explaining repair options.

Frequently Asked Questions

AC repair in Fremont typically costs $71-$2,660 depending on the problem. Diagnostic calls run around $75-$200, refrigerant recharges $150-$700, capacitor replacement $120-$450, and compressor replacement $800-$2,800. Most contractors apply the diagnostic fee toward the final repair cost if you proceed.

All HVAC Contractors in Fremont, CA

Complete directory of 48 contractors — browse alphabetically

A–Z