14 HVAC Repair Contractors in Sylmar, CA

4.2 avg rating
3,351 total reviews5 offer 24/7 service
Need emergency service? 9 HVAC providers in Sylmar offer 24/7 availability

Top-Rated HVAC Repair Contractors in Sylmar

#1

Dutton Plumbing, Cooling, Heating & Electrical

4.8(3,176 reviews)
24/7 Highly Rated

Over 90 percent of reviewers award five stars, with technicians Oscar, Charlie, Hugo, Gabe, Manuel, and Luis named repeatedly for exceptional service. Positive…

13190 Telfair Ave, Sylmar, CA 91342
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#2

Best Choice Heating & AC Repair Sylmar

5.0(45 reviews)
24/7

All 45 reviews award 5 stars, with customers frequently praising same-day response times and technicians who arrive on schedule. Multiple reviewers mention…

13741 Foothill Blvd #288, Sylmar, CA 91342
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#3

Dependable Heating & AC

5.0(29 reviews)
24/7

All eight featured reviews award perfect 5-star ratings, with customers consistently praising on-time arrival, technical expertise with specific equipment…

13750 Foothill Blvd, Sylmar, CA 91342
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All HVAC Repair Contractors (14 total)

Top Heating & Air Conditioning

4.8(26)
24/7

Eight recent reviewers each awarded 5 stars, with three specifically mentioning same-day emergency response.…

13867 Foothill Blvd #212, Sylmar, CA 91342
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Fresh Connection HVAC

4.9(23)

Twenty-three reviewers collectively award Fresh Connection a 4.9-star average, with every customer rating the…

12220 Claretta St, Sylmar, CA 91342
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M&A HVAC Inc.

4.8(19)

Nineteen customers awarded perfect 5-star ratings, with every reviewer praising on-time arrivals, transparent…

15823 Monte St, Sylmar, CA 91342
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Compass Air Conditioning and Heat

5.0(14)

Fourteen reviews, all five-star ratings, with multiple clients specifically praising the lack of upselling…

13002 Dronfield Ave, Sylmar, CA 91342
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City Wide Air Conditioning

4.5(8)

Four of five visible reviews award five stars, with specific praise for technician Les and his diagnostic…

13241 Bradley Ave, Sylmar, CA 91342
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Coast AC & Heater Repair Sylmar

5.0(6)
24/7

All six reviews award five stars, with clients consistently praising same-day emergency response, thorough…

13068 Foothill Blvd, Sylmar, CA 91342
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Quick Dave Air Conditioning & Heating Inc.

5.0(2)

Both clients awarded 5-star ratings, with technicians Marcus and Sam praised for explaining technical…

12860 San Fernando Rd #2, Sylmar, CA 91342
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Delta HVAC Contractor

5.0(2)

All available reviews award 5 stars, with one customer specifically recommending the contractor to friends…

12707 Foothill Blvd unit g, Sylmar, CA 91342
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All Service Hvac Seven LLC

5.0(1)

One client review awards a 5-star rating with the comment excellent job, indicating satisfactory service…

15981 Yarnell St, Sylmar, CA 91342
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Sylmar HVAC Services – HVAC Repair AC Installation By Dusty Ducts

0.0
12973 Halford St, Sylmar, CA 91342
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K4 Heating & Cooling

0.0
12348 San Fernando Rd # H, Sylmar, CA 91342
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HVAC Repair Costs in Sylmar

Typical heating and cooling repair costs in Sylmar, 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 Sylmar, CA: What to Expect

Sylmar sits in the San Fernando Valley where the Mediterranean climate brings mild winters dipping to around 48 F and warm summers reaching 84 F, but the infamous Santa Ana winds can push inland temperatures past 100 F, creating spikes in air conditioning demand across the Los Angeles metro. Fourteen licensed contractors serve this area, and the average rating sits at 4.2 based on more than three thousand customer reviews, with five of them offering around-the-clock availability for emergency HVAC Repair in Sylmar.

Service costs in the area reflect the type of repair needed. A diagnostic or service call typically runs $74 to $196, while a thermostat replacement ranges from $147 to $490 and a blower motor replacement can cost anywhere from $392 to $1078. All contractors must hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the California Contractors State License Board to operate legally in the state.

Customer feedback points to clear differences among top performers. Technicians named Oscar and Charlie at Dutton Plumbing receive repeated mentions for honest assessments and exceptional service, while Best Choice Heating & AC Repair Sylmar draws praise for same-day response times and transparent pricing. Multiple reviewers highlight thorough post-service follow-through as a hallmark of the highest-rated companies in the area.

Frequently Asked Questions

HVAC repairs in Sylmar 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.