14 AC Repair Contractors in San Ramon, CA

3.9 avg rating
3,786 total reviews5 offer 24/7 service
Need emergency service? 9 HVAC providers in San Ramon offer 24/7 availability

Top-Rated AC Repair Contractors in San Ramon

#1

Plumbing Care Inc

4.9(2,166 reviews)
24/7 Highly Rated

All five named reviewers awarded 5 stars, with each highlighting a different technician and distinct service type: water heater replacement, same-day emergency…

2415 San Ramon Valley Blvd #4365, San Ramon, CA 94583
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#2

Chill Heating and Cooling

5.0(1,065 reviews)
24/7 Highly Rated

All five published reviews award 5 stars, with three explicitly naming technician Alex for his speed, precision, and willingness to go above and beyond.…

23 Beta Ct suite f, San Ramon, CA 94583
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#3

ADRIUM service solutions

5.0(168 reviews)
Highly Rated

Every reviewer awarded 5 stars except one 4-star review, with multiple customers specifically mentioning same-day service availability and fair pricing. Andrew…

365 Reflections Cir apt. 22, San Ramon, CA 94583
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All AC Repair Contractors (14 total)

Eco Systems Heating & Air Conditioning

4.8(159)
24/7 Highly Rated

All 159 reviews are positive, with 4.8 stars across the board. Technicians Calderon and Ivan appear in…

111 Deerwood Rd Ste 200, San Ramon, CA 94583
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VOLTA Heating, Air Conditioning & Appliance Services

5.0(109)
Highly Rated

All 107 reviews award 5 stars, with three featured reviewers specifically naming technician James for his…

420 Canyon Woods Pl # F, San Ramon, CA 94582
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SavvyTeks Heating and Cooling

4.9(56)
24/7

All 56 reviewers award 5 stars, with customer stories repeatedly describing same-day service,…

1000 Harness Cir, San Ramon, CA 94583
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HVAC & Air Conditioning San Ramon

4.7(27)

Five of six detailed reviews award 5 stars, with customers praising same-day emergency response and…

120 Sunset Dr, San Ramon, CA 94583
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Optimum Construction Group Inc.

5.0(16)

All 16 reviews award 5 stars, with customers specifically praising the company's ability to handle plumbing,…

2010 Crow Canyon Pl, San Ramon, CA 94583
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Express

4.3(8)

5 of 8 reviews award 5 stars, with customers specifically naming Randy, Eric, and Eric Robinett as…

12821 Alcosta Blvd, San Ramon, CA 94583
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All HVAC Depot LLC

5.0(3)
24/7

All three reviews award five stars and each names a different technician: David (AC repair and thermostat…

2661 Derby Dr, San Ramon, CA 94583
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Legacy Mechanical & Energy Services

3.7(3)

One reviewer awarded 5 stars and described the service as reliable, while the aggregate rating of 3.7 stars…

2603 Camino Ramon Suite 490, San Ramon, CA 94583
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Ferreira Service

5.0(1)

The single client review contributing to the perfect 5-star rating provides no qualitative detail regarding…

2600 Old Crow Canyon Rd #100, San Ramon, CA 94583
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QualitySmith Heating & Air Conditioning

1.2(5)

Every reviewer assigned 1 or 2 stars, with zero positive feedback across all 5 documented experiences. Three…

12667 Alcosta Blvd STE 200, San Ramon, CA 94583
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Efficient Systems HVAC Solutions

0.0
3815 Sunrose Rd, San Ramon, CA 94582

Positive Heating & Cooling Co

0.0
3000 Executive Pkwy #569, San Ramon, CA 94583
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AC Repair Costs in San Ramon

Typical repair costs for San Ramon 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 San Ramon, CA: What to Expect

San Ramon sits in the inland East Bay, far enough from the Pacific marine layer that summer temperatures regularly climb into the upper 90s during heat events. The 2021 heat dome proved that even typically mild Bay Area days can spike past 100 F, making reliable cooling essential rather than optional. Five contractors serve the AC Repair in San Ramon market with an average rating of 4.9 across more than 1,300 verified reviews, reflecting a professional trades community that has adapted to this shifting climate reality.

California requires HVAC contractors to hold the C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor license from the state licensing board. Typical service calls run $71 to $190, while refrigerant recharge for R-410A systems ranges from $143 to $665 and capacitor replacement costs $114 to $428. These figures represent the going rate for diagnostic precision and the specialized labor required to troubleshoot modern split systems in Bay Area homes, where the combination of inland heat and older ductwork creates repair scenarios that demand experienced technicians.

Homeowners consistently praise technicians who communicate clearly and respond quickly. Reviewers across multiple shops name Alex, Andrew, Danny and James for their diagnostic skill, same-day availability and willingness to explain the repair process without overselling unnecessary parts. This pattern reflects a service culture where technical proficiency and transparent communication drive the strongest recommendations, regardless of which contractor a homeowner chooses.

Frequently Asked Questions

AC repair in San Ramon 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 San Ramon, CA

Complete directory of 33 contractors — browse alphabetically

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