The Best HVAC in Cotati, CA

Compare the highest-rated hvac professionals in Cotati, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Sonoma Climate Control

4.8
(127 reviews)
Verified

A premier HVAC contractor serving Cotati and Sonoma County with comprehensive heating and cooling solutions. Specializes in high-efficiency system installations, including heat pumps perfectly suited for Cotati's climate, and offers 24/7 emergency repair services. Known for their meticulous ductwork design and sealing services to improve home comfort and efficiency.

8050 Old Redwood Hwy, Cotati, CA 94931

Specialties & Features

24/7 Emergency Service
Heat Pump Installation
Ductwork Design & Sealing
Energy Efficiency Audits

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

North Bay Heating & Air

4.6
(94 reviews)
Verified

A family-owned and operated HVAC company with deep roots in the North Bay area. They provide expert installation, maintenance, and repair for all major brands of furnaces and air conditioners. Their technicians are highly trained in servicing both older systems common in Cotati's established neighborhoods and installing the latest smart, Wi-Fi enabled thermostats and zoning systems for optimal comfort.

528 E Cotati Ave, Cotati, CA 94931

Specialties & Features

Furnace Repair & Installation
AC Maintenance Plans
Wi-Fi Thermostat Installation
Local & Family-Owned

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

EcoTemp HVAC Solutions

4.5
(78 reviews)
Verified

Focuses on modern, energy-efficient and environmentally conscious HVAC solutions. They are experts in installing ENERGY STAR® rated systems and are certified to handle advanced refrigerants. Ideal for homeowners looking to reduce their carbon footprint and utility bills, offering services like solar-ready AC unit installation and whole-house ventilation upgrades to combat dry summers and damp winters.

100 La Plaza, Cotati, CA 94931

Specialties & Features

ENERGY STAR® Systems
EPA Certified Technicians
Solar-Ready HVAC
Indoor Air Quality Solutions

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Cotati

The HVAC market in Cotati, CA, is characterized by a demand for systems that can efficiently handle a Mediterranean climate with warm, dry summers (where AC is essential) and cool, damp winters (requiring reliable heating). The presence of older homes creates a need for ductwork modernization and sealing. There is a strong and growing consumer interest in energy-efficient heat pumps and smart thermostats to manage costs. Seasonal demands peak in late spring for AC tune-ups and early fall for furnace servicing, with a consistent need for emergency services during heatwaves and cold snaps.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Cotati regulations and climate

Frequently Asked Questions About HVAC in Cotati

Get answers to common questions about hvac services in Cotati, California.

1What is the typical cost range for replacing a central air conditioning system in a Cotati home?

For a standard single-family home in Cotati, a full AC replacement typically ranges from $5,000 to $12,000. This cost is influenced by the system's size (tonnage), efficiency rating (SEER2), and the complexity of the installation, such as ductwork modifications. Given California's Title 24 energy regulations, investing in a higher SEER2 unit (16+) is often recommended for long-term savings, despite a higher upfront cost, due to our hot, dry summers.

2When is the best time of year to schedule HVAC maintenance or replacement in Cotati?

The ideal times are during the mild shoulder seasons of spring (March-May) and fall (September-November). Scheduling service in spring ensures your AC is ready for Cotati's summer heatwaves, while fall service prepares your heating system for cool nights and occasional winter frost. This timing avoids the peak summer rush, leading to better availability and potential off-season promotions from local contractors.

3Are there any local Cotati or Sonoma County permits required for HVAC work?

Yes, most significant HVAC installations, like replacing a furnace or air conditioner, require a permit from the City of Cotati or Sonoma County Building Division. This ensures the work complies with California's strict mechanical, electrical, and energy codes (Title 24). A reputable local HVAC contractor will typically pull these permits on your behalf, which is a key sign of a professional and compliant installation.

4How do I choose a reliable HVAC contractor in the Cotati area?

Prioritize contractors who are locally established, licensed (California CSLB C-20 license), insured, and familiar with Cotati's specific climate and housing styles. Check for strong reviews and ask for references from recent installations in Sonoma County. A trustworthy provider will perform a detailed load calculation (Manual J) for your home, not just size by square footage, to ensure optimal system performance and efficiency.

5My heat pump seems inefficient on cold Cotati nights. Is this normal, and what are my options?

This is a common concern. Standard air-source heat pumps can lose efficiency when temperatures drop near or below freezing, which occurs on clear winter nights in Cotati. Options include installing a newer cold-climate heat pump model designed for lower temperatures or adding a hybrid system with a gas furnace (dual-fuel) for supplemental heat during the coldest periods. A local technician can assess your specific system and home insulation.