Top HVAC Contractors in Northern California

1000+ licensed hvac contractors across 154 NorCal cities — compare ratings, read reviews, and get free quotes.

1000+ contractors154 cities191 service areas

Top-Rated HVAC Contractors

American Dream Services Heating and CoolingBakersfield, CA

American Dream Services earns consistent praise from Bakersfield homeowners for their same-day responsiveness and honest diagnostic approach. Customers frequently describe the team as patient educators who explain HVAC issues clearly and offer transparent, fair pricing. Reviewers with long-term relationships note the company has maintained reliable, professional service over many years of regular maintenance visits.

4.8(199)
Pierson MechanicalClearlake, CA

Pierson Mechanical receives praise for the quality and thoroughness of their installation work, with technicians like Craton and Stan noted for putting in extra hours, patiently answering customer questions, and leaving job sites clean. However, some customers have experienced significant scheduling and communication issues, including missed appointment windows without notification and lengthy delays in completing repairs, particularly when working through home warranty companies. While the on-site technical work is frequently described as professional and knowledgeable, the company's responsiveness and follow-through on scheduling appear inconsistent.

4.8(198)
Maximum AirFresno, CA

Maximum Air has built a reputation in Fresno for rapid response times and expert commercial and residential HVAC work, including full rooftop unit replacements completed on tight timelines. Customers praise technician Jose and the team for their friendliness, deep technical knowledge, and willingness to share maintenance tips that help homeowners avoid future issues. Reviewers describe the overall experience as stress-free from the initial call through job completion.

5(197)
Maverick Electric, Heating and AirSacramento, CA

Maverick Electric, Heating and Air consistently earns praise for prompt, efficient, and professional service, with technicians like Robert, Nick, Evan Dean, and Lance quickly diagnosing and resolving electrical and HVAC issues. Customers highlight the company's reliability during emergencies, noting their availability when other companies couldn't respond, as well as their courteous and informative approach throughout the repair process. The team's coordination, including office support for permits and utility approvals, further demonstrates their commitment to thorough, customer-focused service.

4.9(196)
ADVANCED TECH 209 INCStockton, CA

Advanced Tech 209 Inc is praised for skilled technicians like Pablo, Andrey, Edgar, Cameron, and Jose Perez, who deliver knowledgeable, efficient, and high-quality HVAC installations and repairs. Customers highlight owner Basem's close communication and follow-through on agreed-upon work, along with the team's professionalism and craftsmanship. The company has built long-term customer loyalty through reliable, friendly service on both new installations and repair calls.

4.7(195)
TRIO Heating, Air & PlumbingPalo Alto, CA

TRIO Heating, Air & Plumbing is praised for the professionalism and expertise of technicians like Max Sotelo, Diego, and Richard, who take time to clearly explain repairs, diagnoses, and installations—whether fixing a gas valve, installing an HVAC surge protector and air purifier, or performing furnace inspections. Customers appreciate the friendly, patient, and communicative approach of the staff, with several noting the detailed walkthroughs and photos provided during service. The company's reliability and quality workmanship have led satisfied customers to sign up for annual service plans and pursue additional system replac

4.9(195)
Ecology Air InnovationsRio Linda, CA

Ecology Air Innovations is praised for prompt, reliable service, with customers noting quick response times and efficient repairs, including one case where an A/C issue was diagnosed and fixed within 30 minutes of a next-day appointment. Customers specifically highlight the honesty and fair pricing offered by technicians like Mark, who identified cost-effective solutions and avoided unnecessary part replacements that other companies had recommended. Reviewers also commend the company's professionalism across multiple installations, noting their punctuality, clear communication, and helpful guidance on new equipment like thermostats, which has earned repeat business

4.9(193)
Dray Heating & AirEscalon, CA

Dray Heating & Air is praised for their prompt, professional service, with customers noting quick response times and efficient scheduling for repairs and installations, including mini-split units. Clients appreciate the friendly, straightforward approach of both the technicians and office staff, describing the company as trustworthy and community-oriented, like working with a neighbor. Technicians such as Chris and Tyler are specifically recognized for their professionalism and willingness to answer questions, making the company a repeat choice for multiple properties.

4.9(192)
All In Heating & CoolingClearlake, CA

All In Heating & Cooling earns praise for fast scheduling and prompt technician dispatch, with customers highlighting quick appointment setup and same-day service during heater and air conditioner emergencies. Technician Chris is specifically noted for diagnosing and resolving issues efficiently, such as fixing a heater within 30 minutes and installing a new thermostat, while clearly explaining the work performed. Business clients also value the company's consistent professionalism and responsiveness across multiple properties, particularly for urgent HVAC issues requiring minimal operational disruption.

5(192)
Rendon Heating & AirVacaville, CA

Rendon Heating & Air is consistently praised for professionalism and honest service, with customers highlighting technicians like David, Justin, Eros, Omar, and Danielle for their knowledgeable, respectful approach and thorough cleanup after installations. Clients appreciate that the team avoids pressure tactics or unnecessary upselling, works diligently even in challenging conditions like rain, and keeps homeowners informed throughout the process, from office coordination to on-site owner check-ins. Competitive pricing, careful attention to detail, and reliable communication have earned the company repeat customers and strong recommendations.

4.7(189)

HVAC Work Gallery

Examples of professional hvac work from top-rated Northern California contractors.

AC Repair — HVAC services in Northern California
AC Repair
Furnace Service — HVAC services in Northern California
Furnace Service
HVAC Maintenance — HVAC services in Northern California
HVAC Maintenance
Mini Split Installation — HVAC services in Northern California
Mini Split Installation

All 191 Cities by County

Select a city to find hvac contractors in your area.

Butte County (3 cities)

Shasta County (3 cities)

Yuba County (2 cities)

Nevada County (2 cities)

Napa County (2 cities)

Tehama County (2 cities)

Lake County (2 cities)

Humboldt County (2 cities)

Amador County (2 cities)

Madera County (2 cities)

Kings County (2 cities)

Sutter County (1 cities)

Calaveras County (1 cities)

Mendocino County (1 cities)

San Francisco County (1 cities)

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