5 AC Replacement Contractors in Windsor, CA

4.8 avg rating
813 total reviews2 offer 24/7 service
Need emergency service? 5 HVAC providers in Windsor offer 24/7 availability

Top-Rated AC Replacement Contractors in Windsor

#1

Same Day Heating, Cooling, Plumbing

4.9(633 reviews)
24/7 Highly Rated

All three reviewers awarded five or four stars, with the 4.9 average across 574 total reviews suggesting consistency over time. Positive reviews consistently…

200 American Way, Windsor, CA 95492
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#2

Ridgeline Roofing Co

4.8(95 reviews)

Five of six full reviews award five stars, with customers specifically naming technicians Gabe or Samuel and praising their diagnostic thoroughness, next-day…

930 Shiloh Rd Bldg. 40 Suite A, Windsor, CA 95492
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#3

Eleos Electric

5.0(55 reviews)

Fifty-five reviewers all award five stars, with seven explicitly mentioning specific team members by name including Hithem, Glenwood, and John. Customers…

930 Shiloh Rd BLDG 41-C, Windsor, CA 95492
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All AC Replacement Contractors (5 total)

Burton Heating & Air Conditioning

4.8(20)

All 20 verified reviewers award 5 stars, with multiple customers highlighting fair pricing compared to…

8114 Countryside Ct, Windsor, CA 95492
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The Mobile RV Medics

4.6(10)
24/7

All eight reviewers awarded 5-star ratings, with three specifically mentioning emergency after-hours…

930 Shiloh Rd Bldg 17, Windsor, CA 95492
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AC Replacement Costs in Windsor

Replacement costs for aging systems in Windsor. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,060$7,360$10,120
Central AC (4-ton, mid-efficiency)
$6,900$9,660$12,880
Central AC (5-ton, high-efficiency)
$8,740$11,500$14,720
Full HVAC system (AC + furnace)
$10,663$12,356$12,972
Plus ductwork replacement
If existing ducts are aged/leaking
$1,932$2,760$3,680
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in Windsor, CA: What to Expect

Windsor sits in Sonoma County's wine country, roughly 55 miles north of San Francisco, where Pacific marine air keeps summers relatively mild with July highs averaging 79 F. Yet the inland positioning means occasional heat events push past 100 F, catching many homeowners off guard. Most older homes in the area were built without cooling systems, but installation rates surged after the 2017 Tubbs Fire prompted widespread rebuilds. With heating needed for 5-6 months annually, residents now recognize that AC is no longer optional. Five licensed contractors serve Windsor, maintaining an average rating of 4.8 stars across 813 reviews, and two offer around-the-clock availability.

Installing central AC involves real money, with a 3-ton basic system running $5,060-$10,120 while a 5-ton high-efficiency unit reaches $8,740-$14,720. California law requires HVAC contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the state licensing board, ensuring baseline competency. Every job requires proper sizing for the home, ductwork assessment, and electrical compatibility, which explains the wide price spread. Windsor homeowners compare bids carefully, balancing upfront cost against long-term efficiency gains.

Reviewers consistently praise specific technicians by name, which speaks to how these teams operate. At Ridgeline Roofing Co, customers mention Gabe and Samuel for diagnostic thoroughness and next-day report delivery. Eleos Electric holds a perfect 5.0 average across 55 reviews, with clients citing Hithem, Glenwood, and John for arriving on time and explaining options upfront. This pattern across local contractors shows that name recognition matters in a community where word-of-mouth drives decisions.

Frequently Asked Questions

AC replacement in Windsor runs $1,932-$14,720 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.