6 AC Installation Contractors in Montclair, CA
Top-Rated AC Installation Contractors in Montclair
Klaus & Sons Plumbing, Heating & Air Conditioning
“The majority of reviews mention upfront pricing and honesty as key differentiators, with multiple customers noting they received accurate phone quotes that…”
Quality Conservation Services
“All reviewers awarded 5 stars, with multiple customers highlighting same-day or next-day installation availability despite permit processing delays.…”
All AC Installation Contractors (6 total)
RC AC Repair & HVAC Installation Montclair
“All 3 reviews award 5 stars, with one reviewer noting prompt response times, reasonable pricing, and…”
M.A. Ogg Heating & Air Conditioning, Inc.
“One five-star review praises the technicians for thorough, professional work at consistent prices over…”
AC Installation Costs in Montclair
New central AC installation costs in Montclair, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $162 | $378 | $756 |
Ductless mini-split (single zone) | $2,160 | $4,860 | $8,640 |
Central AC replacement (existing ducts) | $3,780 | $7,020 | $12,960 |
Central AC new install (with ductwork) | $7,560 | $12,960 | $21,600 |
Carrier (residential) | $4,104 | $6,696 | $11,340 |
Trane (residential) | $5,400 | $9,504 | $14,688 |
Lennox (residential) | $3,780 | $7,020 | $12,960 |
Rheem (residential) | $3,456 | $5,940 | $9,720 |
Prices reflect hot desert metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in Montclair, CA: What to Expect
Riverside County's Inland Empire location means Montclair faces summer heat that coastal areas escape. With temperatures climbing past 100 F for weeks each year and humidity dropping to desert-low levels, reliable air conditioning isn't optional, it's essential. Six licensed contractors serve the AC Installation in Montclair market, maintaining an average rating of 4.2 stars across more than 1,200 reviews, and two offer around-the-clock emergency service for system failures during the most brutal heat spells.
For Montclair homeowners, installation costs depend heavily on the system type. Window units range from $162 to $756, while ductless mini-split systems run $2,160 to $8,640. Central AC replacement for homes with existing ductwork typically costs $3,780 to $12,960, with pricing reflecting unit efficiency ratings and installation complexity. California law requires every contractor performing this work to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the Contractors State License Board, ensuring technicians have proven competency in sizing and installing systems appropriate for local conditions.
Customer feedback reveals distinct strengths among Montclair providers. Klaus & Sons Plumbing, Heating & Air Conditioning draws consistent praise for upfront pricing and honest assessments, with multiple reviewers noting phone quotes saved them hundreds compared to final bills. Quality Conservation Services earns all five-star ratings, and customers specifically mention same-day or next-day installation availability despite permit processing delays, with technicians Oscar, Juan, Carlos, and Jake highlighted for professionalism and efficiency.