7 HVAC Repair Contractors in Cupertino, CA

4.3 avg rating
200 total reviews2 offer 24/7 service

Top-Rated HVAC Repair Contractors in Cupertino

#1

Green Tree Household Services

5.0(74 reviews)

All eight sampled reviews carry 5-star ratings, with seven explicitly praising response speed, three reviewers used the phrase fast or same-day. Zero negative…

10440 Bubb Rd, Cupertino, CA 95014
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#2

South Bay Heating and Cooling

4.9(70 reviews)

Every reviewer awarded 5 stars, with Dan named in five of the six detailed reviews for his diagnostic skills and honest assessments. Clients specifically…

10337 Miller Ave #3, Cupertino, CA 95014
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#3

Alliance Residential Services Inc.

5.0(28 reviews)
24/7

All 28 reviews carry 5-star ratings, with multiple clients specifically mentioning same-day service availability and repair completions within two hours.…

10223 Randy Ln, Cupertino, CA 95014
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All HVAC Repair Contractors (7 total)

Ampereca HVAC & Appliance Repair Services

5.0(14)

All fourteen client reviews carry five stars, with clients consistently praising the diagnosing precision and…

10130 Parkwood Dr Apt 7, Cupertino, CA 95014
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Superior Service Cooling & Heating

5.0(13)

Eight clients collectively contributed thirteen reviews, yielding a flawless average rating. Three reviews…

20410 Town Center Ln #160, Cupertino, CA 95014
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TempGuard HVAC Solutions

5.0(1)

One client awarded 5 stars, praising the thoroughness demonstrated during a furnace gas valve repair. The…

20587 Rodrigues Ave, Cupertino, CA 95014
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Ever HVAC Contractor Cupertino

0.0
24/7

No customer reviews were available at the time of this listing enrichment, leaving no quantitative sentiment…

10247 Imperial Ave, Cupertino, CA 95014
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HVAC Repair Costs in Cupertino

Typical heating and cooling repair costs in Cupertino, by component.

ServiceLowAverageHigh
Diagnostic / service call
$74$118$196
Thermostat replacement
$147$270$490
Blower motor replacement
$392$637$1,078
Heat exchanger replacement
$1,470$2,156$3,430
Ignitor replacement (gas furnace)
$147$245$392
Control board replacement
$294$539$882
Full system repair (major)
Multi-component failure
$490$1,176$2,940

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

HVAC Repair in Cupertino, CA: What to Expect

Here's the three-paragraph editorial:

Cupertino sits within the San Jose metro, where summer temperatures average 82 F but South Bay heat pockets can exceed 100 F during extreme heat events, creating real but intermittent cooling demand rather than sustained inland-style loads. Seven licensed HVAC contractors serve this area, each holding a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, with an average rating of 4.3 stars across roughly 200 combined reviews. When systems fail during those sudden heat spikes, homeowners searching for HVAC Repair in Cupertino benefit from knowing which contractors respond fastest.

Local pricing reflects clear cost bands for common services. A diagnostic or service call typically runs $74-$196, varying by time spent troubleshooting and distance traveled to the property. Thermostat replacement ranges $147-$490 depending on unit type and installation complexity, while blower motor replacement, the most significant expense, spans $392-$1078. California requires every contractor to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, establishing professional standards. Homeowners benefit from comparing itemized quotes because some companies bundle initial inspections into the diagnostic fee while others charge separately.

Customer feedback points to specific strengths among top-rated companies. Dan at South Bay Heating and Cooling earns repeated praise for diagnostic skills and honest assessments, with five separate reviewers citing his ability to pinpoint problems accurately. Green Tree Household Services and Alliance Residential Services both carry perfect 5-star ratings, with multiple clients highlighting same-day response times and repairs completed within two hours. These patterns suggest Cupertino homeowners who prioritize speed and transparency have clear options among the local workforce.

Frequently Asked Questions

HVAC repairs in Cupertino range from $74-$3,430 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.