20 AC Repair Contractors in Walnut Creek, CA

4.0 avg rating
1,094 total reviews5 offer 24/7 service
Need emergency service? 7 HVAC providers in Walnut Creek offer 24/7 availability

Top-Rated AC Repair Contractors in Walnut Creek

#1

Chill Heating and Cooling

5.0(489 reviews)
24/7 Highly Rated

All eight sampled reviewers award 5 stars, with three specifically praising competitive pricing (under $400 work that others quoted at $2,000). Four reviewers…

11 Cll Este, Walnut Creek, CA 94597
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#2

TJ Appliance Repair

5.0(157 reviews)
Highly Rated

Every one of the 157 reviews awards 5 stars, with multiple customers specifically naming technicians Max and Tom for their diagnostic skill, parts…

624 Ahwahnee Ct, Walnut Creek, CA 94596
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#3

OTTER HVAC & ELECTRICAL

5.0(144 reviews)
Highly Rated

All 144 reviews carry 5-star ratings, with multiple reviewers specifically naming technicians Roman and Nate for their professionalism and skill. Customers…

2939 Santos Ln, Walnut Creek, CA 94597
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All AC Repair Contractors (20 total)

Appliance Repair Team

4.6(108)

Among 108 reviews, customers consistently praise same-day service availability and technician expertise.…

2930 Camino Diablo #110A, Walnut Creek, CA 94597
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Fuse Service

4.9(58)
24/7

All 58 reviews carry 5-star ratings, with technicians Eugene and Alex named across multiple positive accounts…

1557 2nd Ave, Walnut Creek, CA 94597
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Eco Performance Builders

5.0(30)

All 30 reviews award a perfect 5-star rating, with multiple reviewers specifically praising the team's…

1511 2nd Ave, Walnut Creek, CA 94597
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Ariston Heating and Cooling

5.0(21)

Eight reviewers consistently praise Ariston's professionalism, fair pricing, and thorough work. Multiple…

1280 Boulevard Way Ste 310, Walnut Creek, CA 94595
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ATC Mechanical

5.0(18)

All 18 reviews award 5 stars, with 3 reviewers specifically noting same-day emergency service during extreme…

1990 N California Blvd Fl 8 , Ste 875, Walnut Creek, CA 94596
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WAVE Appliance & HVAC repair

5.0(16)

Sixteen client reviews collectively award a perfect 5.0-star rating, with every reviewer praising same-day…

1910 N Main St Apt 521, Walnut Creek, CA 94596
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Redwire HVAC

4.9(16)

All 16 reviews award 5 stars, with technicians Ben and Alan appearing repeatedly in customer feedback.…

1200 Alpine Rd Unit 54, Walnut Creek, CA 94596
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Eco Energy Bay Area

4.7(12)
24/7

Twelve reviews produce a 4.7-star average, with all reviewers awarding five stars. Multiple customers…

1990 N California Blvd, Walnut Creek, CA 94596
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Finest heating & Air walnut creek

5.0(8)
24/7

All 8 reviews award 5 stars, with reviewers frequently mentioning same-day service, friendly technicians, and…

1500 Newell Ave, Walnut Creek, CA 94596
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American Mechanical, Inc.

5.0(5)

All five reviews award 5 stars, with multiple reviewers specifically naming technicians who provided thorough…

1275 Boulevard Way, Walnut Creek, CA 94595
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European HVAC Repair Service

5.0(4)

All 4 reviews award 5 stars, with clients specifically praising on-time arrival, outstanding service quality,…

1850 Mt Diablo Blvd #475, Walnut Creek, CA 94596
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Mr HVAC Contractor Walnut Creek

5.0(3)

All three reviews award five stars, with clients consistently praising same-day arrival, transparent…

1990 N California Blvd Suite 20, Walnut Creek, CA 94596
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Massone Mechanical

5.0(2)

Both reviews award 5 stars, with customers specifically praising same-day service response. One review…

1280 Boulevard Way Ste 300, Walnut Creek, CA 94595
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Fusionfit

5.0(2)

Both reviews award Fusionfit a perfect 5-star rating, with clients praising the company's professional…

1261 Locust St, Walnut Creek, CA 94596
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Adept Appliance RepairWalnutCreek

5.0(1)

One reviewer awarded 5 stars, specifically praising Marcos for being knowledgeable, reasonable, available,…

525 Banyan Cir, Walnut Creek, CA 94598
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Discount Plumbing

0.0
24/7
1839 Ygnacio Valley Rd #141, Walnut Creek, CA 94598
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Proven Heating and Cooling Repair Walnut Creek

0.0
1777 Oakland Blvd, Walnut Creek, CA 94596
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Gold AC & Heating Services

0.0
1777 N California Blvd #205, Walnut Creek, CA 94596
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Air-Con Mechanical Services

0.0
2136 Stewart Ave, Walnut Creek, CA 94596
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AC Repair Costs in Walnut Creek

Typical repair costs for Walnut Creek 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 Walnut Creek, CA: What to Expect

Walnut Creek sits far enough inland to feel the full force of East Bay summers, regularly pushing into the upper 90s during heat events. The 2021 heat dome proved even coastal neighborhoods can spike past 100 F, shifting what was once a mild climate into territory that stresses cooling systems. With 20 contractors serving the area and an average rating of 4.1 across more than 1,000 reviews, homeowners have solid options for AC Repair in Walnut Creek when systems struggle under sustained heat.

Service costs in Walnut Creek reflect both the work required and California's licensing standards, which mandate C-20 credentials from the Contractors State License Board. A diagnostic or service call runs $71 to $190, while refrigerant recharges using R-410A range from $143 to $665. Capacitor replacement, a common repair for aging systems, costs $114 to $428, with final pricing depending on the specific issue and parts needed.

The highest-rated contractors in the area draw consistent praise for specific strengths. TJ Appliance Repair's technicians Max and Tom earn repeated mentions for diagnostic skill and parts availability alongside fair pricing. OTTER HVAC & ELECTRICAL's Roman and Nate similarly appear across multiple five-star reviews for professionalism and technical expertise. Three Chill Heating and Cooling reviewers specifically cite competitive pricing, noting work completed under $400 that other shops quoted at $2,000, with several highlighting same-day or urgent response times.

Frequently Asked Questions

AC repair in Walnut Creek 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.