19 AC Installation Contractors in Petaluma, CA

4.8 avg rating
1,557 total reviews5 offer 24/7 service
Need emergency service? 9 HVAC providers in Petaluma offer 24/7 availability

Top-Rated AC Installation Contractors in Petaluma

#1

Ongaro & Sons

4.9(682 reviews)
24/7 Highly Rated

All six featured reviewers awarded 5 stars, with each story naming a specific technician and describing distinct scenarios: furnace replacement after flooding,…

719 Southpoint Blvd, Petaluma, CA 94954
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#2

North HVAC Services, Inc Heating & Air Conditioning

5.0(260 reviews)
24/7 Highly Rated

All five featured reviewers awarded 5 stars, with four explicitly praising specific team members by name and describing same-day or responsive service during…

3855 Cypress Dr # H, Petaluma, CA 94952
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#3

Milano Mechanical

5.0(128 reviews)
24/7 Highly Rated

All 119 reviews award five stars, with customers repeatedly praising same-day response times and the team's willingness to handle emergencies. Multiple…

1317 Scott St, Petaluma, CA 94954
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All AC Installation Contractors (19 total)

John Owens Services

4.9(105)
Highly Rated

Five of six reviewers awarded 5 stars, with customers specifically praising competitive pricing, same-day…

1311 Clegg St suite a, Petaluma, CA 94954
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Save Energy Windows and Doors

4.8(108)
Highly Rated

Every one of the 104 reviewers awarded 5 stars, with multiple clients specifically praising crew…

315 Petaluma Blvd S, Petaluma, CA 94952
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Core Heating & Air Conditioning

5.0(82)

All 80 reviewers award 5 stars, with John specifically named in multiple reviews as the technician delivering…

828 Marble Way, Petaluma, CA 94954
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Comfort Factor HVAC

5.0(49)

Forty-seven reviewers award a perfect 5.0-star rating, with multiple clients specifically praising the…

1364 N McDowell Blvd Suite 5, Petaluma, CA 94954
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Adams Heating and Cooling

5.0(34)

All 34 reviewers awarded 5 stars, with multiple customers specifically mentioning same-day arrival,…

1314 Ross St, Petaluma, CA 94954
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Martin Electric and HVAC

5.0(34)
24/7

All 34 reviews award 5 stars, with technicians named across multiple reviews describing panel upgrades,…

Water St, Petaluma, CA 94952
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Diamond HVAC Services Inc.

5.0(15)

All 13 reviewers award 5 stars, with Luis named specifically in three reviews for installation and repair…

2700 Petaluma Blvd N, Petaluma, CA 94952
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Redwood Refrigeration

5.0(14)

Five reviewers specifically name technicians who handled their projects, with each mentioning thorough…

1160 Industrial Ave F, Petaluma, CA 94952
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Castle Heating & Air

5.0(11)

Three reviewers awarded perfect 5-star ratings, with all three mentioning Richard by name and praising his…

1432 Joan Dr, Petaluma, CA 94954
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CellarPro Cooling Systems

4.1(14)

6 of 7 reviewers gave 5-star ratings, with customers specifically naming technicians Bruce and Bryan. The…

n, 1445 N McDowell Blvd, Petaluma, CA 94954
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Greenlief energy

5.0(6)

All 5 reviews award 5 stars, with 3 reviewers specifically naming Chad, Isaac, or Frank Hall. Customers…

67 Rocca Dr, Petaluma, CA 94952
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Smartway AC & Heating

5.0(4)

All 4 reviewers award 5 stars, with consistent praise for the technician's patience in explaining system…

1800 S McDowell Blvd #218, Petaluma, CA 94954
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BKB Heating, Air Conditioning & Sheet Metal

5.0(4)

All four reviews award five stars, with three explicitly naming individual technicians, Olivia, Brian, and…

1311 Scott St, Petaluma, CA 94954
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Ledesma Heating Air

5.0(3)

All three reviews award five stars, with clients specifically praising the team's professionalism, punctual…

1122 Ramona Ln, Petaluma, CA 94954
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All American Air & Solar System

5.0(2)

All two client reviews award five stars, with one specifically naming technician Emily for her efficient coil…

1025 McNear Ave, Petaluma, CA 94952
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American Chiller Service, Inc.

3.0(2)
24/7

The two available reviews split evenly between one five-star and one one-star rating. Positive feedback…

1180 Holm Rd Suite C, Petaluma, CA 94954
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AC Installation Costs in Petaluma

New central AC installation costs in Petaluma, by system type and brand.

ServiceLowAverageHigh
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 Petaluma, CA: What to Expect

Petaluma sits in Sonoma County's wine country, fifty-five miles north of San Francisco. Marine air from the Pacific keeps summers mild with July highs averaging seventy-nine degrees, yet the inland positioning means occasional heat events push past one hundred degrees. Most older homes in this area lack air conditioning, but installation rates surged after the 2017 Tubbs Fire prompted widespread rebuilds. Nineteen licensed contractors serve the area with an average rating of 4.8 based on over fifteen hundred reviews, reflecting a market where skilled technicians are in steady demand for AC Installation in Petaluma.

Homeowners in the region encounter specific cost benchmarks when upgrading cooling systems. Window units range from $138 to $644, while ductless mini-split systems for single zones run $1,840 to $7,360. For central AC replacement using existing ductwork, the cost falls between $3,220 and $11,040. Each project requires a contractor holding a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the California Contractors State License Board, ensuring the work meets state safety and competency standards.

Customer feedback reveals consistent patterns across top-rated contractors. Technicians at Ongaro & Sons receive five-star mentions for scenarios ranging from furnace replacement after flooding to heat pump installations. North HVAC Services earns praise for same-day response during weather emergencies, with multiple reviewers naming specific team members. Milano Mechanical stands out with all one hundred nineteen reviews awarding five stars, and customers repeatedly cite technicians like Ben for same-day emergency response and willingness to handle urgent situations.

Frequently Asked Questions

New AC installation in Petaluma costs $138-$18,400 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.

All HVAC Contractors in Petaluma, CA

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