15 AC Installation Contractors in San Dimas, CA
Top-Rated AC Installation 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 AC Installation Contractors (15 total)
Canyon City Air
“Three reviewers specifically name Joseph as the technician who handled their project. All three reviews award…”
Choice Home Services
“All five-star reviews mention professional communication and post-project cleanup, with three reviewers…”
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…”
AC Pro
“Five of six reviewers gave 5-star ratings, with particular praise for staff knowledge and inventory breadth.…”
Team Trusted Heating & Cooling
“All five reviews award five stars, with clients specifically mentioning detailed proposals, flexible…”
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…”
Professional Heating & Air
“One of two reviews documents a negative experience involving installation concerns and worker conduct, while…”
AC Installation Costs in San Dimas
New central AC installation costs in San Dimas, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $138 | $322 | $644 |
Ductless mini-split (single zone) | $1,840 | $4,140 | $7,360 |
Central AC replacement (existing ducts) | $3,220 | $5,980 | $11,040 |
Central AC new install (with ductwork) | $6,440 | $11,040 | $18,400 |
Carrier (residential) | $3,496 | $5,704 | $9,660 |
Trane (residential) | $4,600 | $8,096 | $12,512 |
Lennox (residential) | $3,220 | $5,980 | $11,040 |
Rheem (residential) | $2,944 | $5,060 | $8,280 |
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in San Dimas, CA: What to Expect
San Dimas sits in the inland reaches of the Los Angeles basin, where summer temperatures regularly climb past 100 F during Santa Ana wind events. This makes reliable cooling less of a luxury and more of a health necessity for homeowners. AC Installation in San Dimas is handled by 15 licensed contractors maintaining a 4.4 average rating across nearly 2,000 reviews, with three offering around-the-clock availability for emergencies.
California requires all HVAC contractors to hold a C-20 license from the CSLB, ensuring baseline professionalism. Installation costs vary significantly by system: window units run $138-$644, ductless mini-split systems for single zones range from $1840-$7360, and central AC replacement using existing ductwork costs $3220-$11040. The wide range reflects differences in equipment efficiency, home sizing, and installation complexity.
Customer reviews consistently single out individual technicians for praise. At Alpine Plumbing, Heating, and Air, reviewers repeatedly mention technicians Ruben, Erick, Jeff, Edgar, Vince, and Shawn for diagnostic skill and leaving worksites clean. Western Air Mechanical technicians Adrian and Chris earn marks for same-day emergency response, while Gabriel and Kelsey at Whole House Fan Company receive multiple mentions for on-time arrival and clear communication.