5 AC Installation Contractors in Windsor, CA
Top-Rated AC Installation Contractors in Windsor
Henry Mechanical
“All 970 reviews carry 5-star ratings, with 8 of 10 sampled reviewers naming specific technicians including Justin, Andrew Limon, and Josh. Reviewers frequently…”
Same Day Heating, Cooling, Plumbing
“All three reviewers awarded five or four stars, with the 4.9 average across 574 total reviews suggesting consistency over time. Positive reviews consistently…”
All AC Installation Contractors (5 total)
AC Installation Costs in Windsor
New central AC installation costs in Windsor, 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 Windsor, CA: What to Expect
Windsor sits in Sonoma County's wine country, about 55 miles north of San Francisco, where marine air from the Pacific keeps summers mild with July highs averaging 79 F and only 18 days above 90 F each year. But the inland positioning means occasional heat events push past 100 F, catching unprepared homeowners off guard. Most older homes in the area lack central cooling, and installation rates have climbed since the 2017 Tubbs Fire prompted widespread rebuilds. Five contractors now serve the AC Installation in Windsor market, holding an average rating of 3.7 across more than 1,600 customer reviews, with two offering around-the-clock service.
Window units start around $138 and climb to $644, while a ductless mini-split system for a single zone runs $1,840 to $7,360. Homeowners replacing central AC with existing ductwork can expect to invest between $3,220 and $11,040, depending on system size and efficiency. These figures reflect the complexity of each project, and contractors in California must carry a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the California Contractors State License Board to perform this work legally.
Customer feedback points to clear differences among top performers. Henry Mechanical maintains a 5.0 rating across 970 reviews, with clients repeatedly citing technicians Justin and Andrew Limon for same-day response during heat waves. Same Day Heating, Cooling, Plumbing holds a 4.9 average with reviewers mentioning consistent communication and reliable service over time. Burton Heating & Air Conditioning earns a 4.8 rating with customers noting fair pricing compared to competing bids and specifically mentioning Rick for straightforward sales consultations.