10 Emergency HVAC Contractors in San Dimas, CA

3.9 avg rating
665 total reviews5 offer 24/7 service

Top-Rated Emergency HVAC Contractors in San Dimas

#1

Western Air Mechanical

4.9(365 reviews)
24/7 Highly Rated

346 customers awarded an aggregate 4.9-star rating, with six detailed reviews mentioning emergency same-day service and praising rapid response times.…

260 W Arrow Hwy, San Dimas, CA 91773
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#2

Canyon City Air

5.0(131 reviews)
24/7 Highly Rated

Three reviewers specifically name Joseph as the technician who handled their project. All three reviews award 5 stars and mention competitive pricing, with one…

515 W Allen Ave Ste 2A, San Dimas, CA 91773
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#3

Zach Taylor Heating And Air LLC

5.0(106 reviews)
24/7 Highly Rated
293 W Allen Ave, San Dimas, CA 91773
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All Emergency HVAC Contractors (10 total)

USA Pro Service Inc GC, Air&Heat, Electric,

4.9(42)
24/7

Of 42 reviews, the majority award 5 stars praising craftsmanship and professionalism, while a single negative…

135 E Arrow Hwy, San Dimas, CA 91773
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DMS Air Conditioning

4.6(14)

Four reviewers specifically mention scheduling ease and fast response times, with two highlighting…

225 S Monte Vista Ave, San Dimas, CA 91773
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Hammer Heating & Air

5.0(3)

All three published reviews award 5 stars, with both Katherine and Sarah specifically mentioning Cole as the…

#0, San Dimas, CA 91773
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Cool Time Air Conditioning and Heating Repair

5.0(3)

All 3 reviews award 5 stars, with Melissa Smith specifically praising the fast excellent service and fair…

1205 St George Dr, San Dimas, CA 91773
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HX BREEZETECH HVAC SERVICES

5.0(1)

The sole reviewer awarded 5 stars, praising the technician's prompt arrival, professional conduct, and…

301 E Arrow Hwy, San Dimas, CA 91773
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Mannys Heating and Air Conditioning

0.0
24/7
301 E Arrow Hwy Ste 101 / Unit 702, San Dimas, CA 91773
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Guardian Quality Air Repair

0.0
1034 W Gladstone St, San Dimas, CA 91773
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Emergency HVAC Costs in San Dimas

After-hours, weekend, and holiday HVAC service pricing in San Dimas. Rates are typically 1.5-2x standard.

ServiceLowAverageHigh
After-hours service call (weekday night)
Base fee before labor
$143$190$285
Weekend service call
$166$214$309
Holiday / major holiday call
$214$285$428
Emergency labor (hourly)
1.5-2x standard hourly rate
$152$195$238
Emergency repair total (typical)
Repair + after-hours surcharge
$285$665$1,140
Emergency repair (major)
Compressor, heat exchanger failures
$1,140$2,090$3,325

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

Emergency HVAC in San Dimas, CA: What to Expect

San Dimas sits in the inland valleys of the Los Angeles metro, where Mediterranean warmth gives way to punishing Santa Ana winds that push summer temperatures past 100 F. This climate variability keeps local HVAC systems under constant stress, driving consistent demand for Emergency HVAC in San Dimas. Ten contractors serve this community, collectively holding a 3.9-star average across 635 reviews. Homeowners here need responsive service when their cooling or heating fails during extreme weather events.

Emergency calls in San Dimas carry specific price points reflecting California licensing requirements and after-hours operations. A weekday after-hours service call ranges from $143 to $285, while weekend calls run $166 to $309. Holiday service, including major holidays, reaches $214 to $428. These rates reflect the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license holders must maintain through the California Contractors State License Board, ensuring technically qualified technicians respond to emergency calls. The premium pricing accounts for overtime labor and rapid deployment.

Customer feedback points to strong local options. Western Air Mechanical earns a 4.9-star rating from 346 reviewers, with clients noting technicians Adrian and Chris provide same-day emergency response praised for speed. Canyon City Air holds a perfect 5.0 rating, with reviewer Joseph consistently mentioned for competitive pricing and thorough work. USA Pro Service Inc draws mixed feedback, craftsmanship and professionalism earn 5 stars from most, though a single review flags missed deadlines and permit issues. Homeowners prioritizing swift emergency response find clear guidance in these patterns.

Frequently Asked Questions

Emergency HVAC in San Dimas adds a premium of $100-$300 to the standard service call fee, with labor billed at 1.5-2x normal rates. After-hours weekday calls typically run $150-$300 before repairs, weekends $175-$325, and holidays $225-$450. Total emergency repair costs usually land between $300-$1,200.