13 Commercial HVAC Contractors in Petaluma, CA

Petaluma sits in Sonoma County's wine country, fifty-five miles north of San Francisco, where marine air from the Pacific keeps summers mild with July highs averaging 79 F yet occasional heat events still push past 100 F. Winters bring cool, rainy weather and heating remains essential for five to six months annually, with gas furnaces dominating most installations. Most older homes in the area lack air conditioning, though installation rates have surged dramatically since the 2017 Tubbs Fire prompted widespread rebuilding. Twelve contractors serve the Petaluma market, collectively maintaining an average 4.0 rating across 660 verified reviews, with two offering around-the-clock emergency service.

California requires HVAC contractors to hold the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the California Contractors State License Board, ensuring baseline professionalism across the industry. Annual maintenance for a single rooftop unit runs $475 to $1,900, while small business contracts covering spaces under 5,000 square feet typically range from $950 to $4,750. Mid-size commercial properties between 5,000 and 25,000 square feet generally see annual service agreements between $3,325 and $9,500, with costs scaling to equipment age, system complexity, and building configuration.

Customer feedback points to clear differentiators in this market. North HVAC Services earned a perfect 5.0 rating from all five featured reviewers, with four specifically naming team members and praising same-day or responsive service during weather emergencies. Save Energy Windows and Doors maintains a 4.8 rating across 104 reviews, with clients repeatedly noting crew professionalism, same-day project completion, and thorough cleanup practices. Across these highlights, clients consistently value rapid response times, clear communication, and technicians who take time to explain options before beginning work.