44 HVAC Service Contractors in Fremont, CA

4.7 avg rating
1,686 total reviews10 offer 24/7 service
Need emergency service? 16 HVAC providers in Fremont offer 24/7 availability

Top-Rated HVAC Service 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
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#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
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#3

Fuse Electrical

4.9(82 reviews)
24/7

All 82 reviews carry 5-star ratings, with technicians Maximo and Aiden named specifically for HVAC work while Span panel and EV charger expertise distinguishes…

41829 Albrae St, Fremont, CA 94538
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All HVAC Service Contractors (44 total)

Fasthuma Computer Repair Mac & PC

4.7(86)

86 reviewers collectively rate Fasthuma 4.7 stars, with multiple customers specifically praising Mustafah's…

42307 Osgood Rd B, Fremont, CA 94539
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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
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Giant HVAC, Inc

4.9(61)
43012 Christy St, Fremont, CA 94538
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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
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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
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All State Insulation

5.0(34)

All 34 reviews award 5 stars, with clients consistently praising the crew's professionalism, thorough cleanup…

4510 Peralta Blvd Suit 23, Fremont, CA 94536
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Arrow Max Compressor & Pumps

5.0(34)

Seven of seven visible reviews award 5 stars, with each one praising John by name for specific actions:…

45459 Industrial Pl #2, Fremont, CA 94538
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Attic Repair Guys

5.0(24)

All 24 reviews award 5 stars, with customers specifically mentioning honest assessments, competitive pricing,…

3051 Quantum Dr #2411, Fremont, CA 94538
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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
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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
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ALCAL Specialty Contracting Fremont - Home Service Division

4.2(28)

Six of eight detailed reviews award 5 stars, with technicians Damian, Sal, and Martin receiving named…

42950 Osgood Rd, Fremont, CA 94539
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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
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A & C Maintenance

5.0(13)

All 13 reviews award 5 stars, with clients specifically naming Lillia, Carlos, and Alex as team members who…

3871 Decoto Rd, Fremont, CA 94555
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Fresher HVAC/Duct Services.

5.0(9)

All nine reviews award five stars, with two reviewers specifically naming technician Anthony and describing…

37818 Sandalwood Ct, Fremont, CA 94536
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Pan-Pacific Mechanical

4.0(15)

Mixed reviews show a pattern: technical skill receives praise while customer service encounters criticism.…

48363 Fremont Blvd, Fremont, CA 94538
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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
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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
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AttiCali Insulation & Rodents Proofing

4.4(9)

Seven of nine reviewers awarded five stars, with particular praise for same-day response, thorough sealing…

1512 Fulton Pl, Fremont, CA 94539
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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
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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
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Libra Electric Co

5.0(5)

Both available reviews award 5 stars, with customers specifically highlighting very good customer service and…

3200 Osgood Common, Fremont, CA 94539
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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

AC Crane Service

3.3(7)

Three of seven reviews award 5-star ratings praising on-time arrival, efficient heat pump installations, and…

37810 Iron Horse Ln, Fremont, CA 94536
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Bay Valley Insulation Inc

4.0(4)
24/7

Three of four reviews award 5 stars, with customers specifically praising competitive pricing, PGE rebate…

44875 Industrial Dr # I, Fremont, CA 94538
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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
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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

Premium Shield

5.0(1)

The single available review awards 5 stars, with the reviewer specifically praising Sam's immediate text…

35640 Fremont Blvd #243, Fremont, CA 94536
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HVAC Service Costs in Fremont

General HVAC service pricing across maintenance, repair, and installation in Fremont.

ServiceLowAverageHigh
Service call / diagnostic
$71$114$190
Routine tune-up (single system)
$67$119$190
Standard repair (avg)
$143$570$1,140
Major repair (compressor, heat exchanger)
$1,425$2,375$3,325
New system installation (mid-range)
$6,175$9,975$13,300
Full HVAC replacement
AC + furnace combined
$11,011$12,759$13,395

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

HVAC Service in Fremont, CA: What to Expect

Fremont sits within the South Bay metro, where Mediterranean summers push past 100 F during heat waves while winters dip to around 42 F. This climate pattern makes reliable cooling essential rather than optional, driving steady demand for professional HVAC service in Fremont. Six contractors serve the area with an impressive average rating of 4.9 across 937 collective reviews, and four of them provide around-the-clock availability for emergencies.

Service pricing reflects the scope of each job. A diagnostic visit runs $71-$190, a routine tune-up for a single system costs $67-$190, and a standard repair averages $143-$1,140 depending on complexity. All contractors in California must hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the state licensing board, ensuring they meet formal training and competency standards before working on residential systems.

Reviewers consistently mention fast response times and clear communication. AIS Heating & Air Conditioning draws praise for thorough cleanups and technicians like Fausto and Abel who explain each step of the work. Ace HVAC and Appliance Repair earns mentions for same-day service, including one client noting a one-hour response on a weekend. J & Z customers value transparent pricing and technicians who take time to walk through repair options, with seven of eight sampled reviews awarding five stars.

Frequently Asked Questions

HVAC service pricing in Fremont ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.

All HVAC Contractors in Fremont, CA

Complete directory of 48 contractors — browse alphabetically

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