12 HVAC Repair Contractors in San Dimas, CA
Top-Rated HVAC Repair Contractors in San Dimas
Alpine Plumbing, Heating, and Air
“Every reviewer awarded 5 stars, with customers specifically naming technicians Ruben, Erick, Jeff, Edgar, Vince, and Shawn for their communication, diagnostic…”
Western Air Mechanical
“346 customers awarded an aggregate 4.9-star rating, with six detailed reviews mentioning emergency same-day service and praising rapid response times.…”
All HVAC Repair Contractors (12 total)
Advanced Plumbing Heating and Air Conditioning Inc.
“Twenty-seven reviews yield a 4.3-star average, with five named technicians appearing across multiple…”
Central AC service
“Eight reviewers collectively award 5 stars, with four specifically mentioning same-day or same-weekend…”
DMS Air Conditioning
“Four reviewers specifically mention scheduling ease and fast response times, with two highlighting…”
Team Trusted Heating & Cooling
“All five reviews award five stars, with clients specifically mentioning detailed proposals, flexible…”
Hammer Heating & Air
“All three published reviews award 5 stars, with both Katherine and Sarah specifically mentioning Cole as the…”
Cool Time Air Conditioning and Heating Repair
“All 3 reviews award 5 stars, with Melissa Smith specifically praising the fast excellent service and fair…”
HX BREEZETECH HVAC SERVICES
“The sole reviewer awarded 5 stars, praising the technician's prompt arrival, professional conduct, and…”
HVAC Repair Costs in San Dimas
Typical heating and cooling repair costs in San Dimas, by component.
| Service | Low | Average | High |
|---|---|---|---|
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 San Dimas, CA: What to Expect
San Dimas sits in the inland Los Angeles basin where Mediterranean warmth gives way to punishing Santa Ana heat events that push summer temperatures past 100 F. This variability keeps air conditioning systems running constantly from May through October, then demands heating performance during brief winter dips into the 40s. With twelve HVAC Repair in San Dimas contractors holding an average 4.5-star rating across nearly 1,500 customer reviews, homeowners have solid options when systems fail. The four contractors offering around-the-clock service become essential partners when a compressor stalls at midnight during a heat wave.
Repair costs in this market reflect both the complexity of diagnosis and the age of the equipment. A standard diagnostic runs $74 to $196, while thermostat replacements span $147 to $490 depending on smart features. Blower motor replacement, the most common major repair, ranges from $392 to $1,078. California law requires every contractor to carry a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the Contractors State License Board, which protects homeowners from unqualified installers. This licensing, combined with parts and labor, shapes what homeowners ultimately pay.
Customer feedback points to clear differences in service quality. Alpine Plumbing, Heating, and Air maintains a perfect 5.0 rating with reviewers citing technicians Ruben, Erick, Jeff, and Shawn for clear communication and thorough diagnostics. Western Air Mechanical earns praise for rapid same-day response, with technicians Adrian and Chris mentioned repeatedly for fast, reliable fixes. Canyon City Air also receives strong mention for competitive pricing, though without specific technician names noted.