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HVAC Services in Fremont, CA

48 HVAC contractors found

Need emergency service? 16 HVAC providers in Fremont offer 24/7 availability→
HVAC ServiceAC RepairHVAC RepairAC InstallationHVAC MaintenanceCommercial HVACEmergency HVACAC Replacement

AIS Heating & Air Conditioning

4.9(809)
24/7 Highly Rated

“All four sampled reviewers award 5 stars, with three specifically naming technicians (Fausto, Abel, Leon,…”

4432 Enterprise St suite a, Fremont, CA 94538
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First Appliance Repair

4.3(215)

“215 reviews yield a 4.3-star average, with positive feedback highlighting same-day service, parts…”

3400 Stevenson Blvd Apt N12, Fremont, CA 94538
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Fuse Electrical

4.9(82)
24/7

“All 82 reviews carry 5-star ratings, with technicians Maximo and Aiden named specifically for HVAC work while…”

41829 Albrae St, Fremont, CA 94538
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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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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
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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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Pros Fremont Air Duct Cleaning

5.0(1)
24/7

“All reviewers award 5 stars, with one client specifically noting friendly staff, honest pricing, and…”

4879 Mayfield Dr, Fremont, CA 94536
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HVAC Service Costs in Fremont, CA

Pricing ranges across all HVAC services offered in Fremont.

ServiceTypical RangePrice Points
AC Repair$71–$2,6607 items →
AC Installation$138–$18,4008 items →
AC Replacement$1,932–$14,7205 items →
HVAC Maintenance$15–$7847 items →
HVAC Repair$74–$3,4307 items →
HVAC Service$67–$13,3956 items →
Emergency HVAC$143–$3,3256 items →
Commercial HVAC$2–$76,0007 items →

Prices reflect Pacific coast metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.

HVAC in Fremont, CA: What Homeowners Should Know

Fremont sits within the South Bay's mild Mediterranean zone, where summer highs average 82 F but heat pockets can push past 100 F during heat events. This creates a distinct rhythm for hvac Fremont demand, with systems working harder during those rare spikes but staying quiet through cool winters around 42 F. Six hvac companies Fremont serve this market, and the best hvac Fremont contractors have earned impressive loyalty, with an average rating of 4.9 across nearly a thousand reviews.

Service costs span from $2 for minor repairs to $76,000 for full system replacements, a range that reflects everything from quick fixes to complete system overhauls in the Fremont area. California requires hvac contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, with at least four years of recent HVAC experience. This licensing requirement protects homeowners by ensuring technicians have proven competency before handling complex installations, giving customers confidence in the quality of work performed on their property and peace of mind during service calls.

Customer feedback reveals what sets top performers apart in the Fremont market. AIS Heating & Air Conditioning draws consistent praise, with reviewers naming technicians like Fausto and Abel for their clear communication and thorough cleanups after each job. Ace HVAC and Appliance Repair earns recognition for rapid response, with one client documenting a one-hour arrival on a weekend call. J & Z customers highlight transparent pricing and technicians who take time explaining repair options, helping homeowners make informed decisions about their systems and understand exactly what they're paying for.

Frequently Asked Questions

Among 48 HVAC contractors serving Fremont, the top-rated providers average 3.4★ across 1,704 reviews. The highest-ranked companies on this page are sorted by a combination of rating and review volume, so established contractors with consistent quality appear first. Check reviews, licensing, and response time to pick the right fit for your situation.

All HVAC Contractors in Fremont, CA

Complete directory of 48 contractors — browse alphabetically

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