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21 Years
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Emergency
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Your Trusted HVAC Partner in Santa Rosa
J W Hanson Heating & Air has been serving residential and commercial clients in Santa Rosa and the North Bay Area since 2005. Our team specializes in high-efficiency heating, ventilation, and air conditioning systems, offering comprehensive services including repairs, maintenance, duct cleaning, and system replacements. We prioritize customer education, ensuring clients understand their systems and make informed decisions. Our technicians undergo continuous training and are assigned based on specific project needs, guaranteeing expertise in every service call. We maintain a no-overselling policy, focusing solely on solutions that align with client needs and budget constraints.

Our commitment to clean workspaces and courteous service reflects our respect for client properties. With a focus on long-term relationships, we provide warranties on parts and labor, including a three-year standard warranty and one year of complimentary maintenance. Our experience spans radiant heating applications, boiler retrofits, and state-of-the-art green systems, positioning us as a leader in HVAC innovation. We serve Sonoma County, Marin County, and San Francisco County, addressing diverse climate control challenges. Our dedication to quality installation matches our emphasis on equipment reliability, ensuring systems operate at peak efficiency for years.
Services
HVAC Repair Preventive Maintenance Duct Cleaning System Replacement Boiler Installation Radiant Heating Generator Services Air Quality Solutions Commercial HVAC Emergency Repairs
Details
  • Year established: 2005
Highlights and features
  • We have 18 years of local HVAC experience in Santa Rosa and the North Bay.
  • Our technicians specialize in high-efficiency and green heating/cooling systems.
  • We provide detailed diagnostics and transparent recommendations for every system.
  • Our three-year parts and labor warranty exceeds industry standards.
  • We maintain clean workspaces and restore properties to original condition post-service.
What people say
Excellent service Knowledgeable technicians Prompt emergency response Clean workspaces Fair pricing
Services
HVAC Repair
We specialize in diagnosing and repairing all HVAC system types, including air conditioners, furnaces, and boilers. Our technicians carry common parts for immediate fixes, reducing downtime. With 18 years of local experience, we ensure accurate diagnostics and lasting solutions for residential and commercial properties.
Preventive Maintenance
Our maintenance programs include comprehensive inspections, filter replacements, and efficiency testing. Annual checkups for furnaces and AC units prevent breakdowns and optimize energy use. We provide detailed reports and tailored recommendations to maximize system longevity and performance.
Duct Cleaning
We remove debris and contaminants from ductwork using negative air systems and disinfectants. This improves indoor air quality and system efficiency. Our process includes pre-cleaning evaluations to identify potential issues and ensure thorough cleaning of residential and commercial ventilation systems.
System Replacement
We install high-efficiency heating and cooling systems tailored to property needs. As authorized Trane dealers, we offer premium equipment with proper installation techniques, including refrigerant line testing. Financing options and warranties ensure accessible, long-term solutions for system upgrades.
Radiant Heating
Our radiant heating solutions include new installations and boiler retrofits for even, energy-efficient warmth. We design systems for new constructions and existing homes, using hydronic technology to reduce energy costs while maintaining comfort in residential and commercial spaces.
People
John Hanson
Owner
John Hanson founded the company in 2005 with over two decades of HVAC industry experience. He oversees operations and ensures technical excellence across all service divisions.
Maria Rodriguez
Service Manager
Maria manages technician teams and customer service operations. With 15 years in HVAC management, she focuses on maintaining high service standards and client satisfaction.
Questions
What HVAC services do you offer in Santa Rosa?
We provide repairs, maintenance, duct cleaning, system replacements, boiler services, and radiant heating solutions for residential and commercial clients.
Do you service both residential and commercial properties?
Yes, we handle HVAC needs for homes, offices, and commercial buildings across the North Bay Area.
Are emergency HVAC repairs available?
We offer urgent repair services to restore comfort quickly during system failures.
What maintenance programs do you provide?
Our annual maintenance plans include system checkups, filter replacements, and efficiency optimizations to extend equipment lifespan.
Do you offer financing options for HVAC replacements?
Yes, we provide flexible financing solutions for new system installations and major repairs.
How can I schedule an appointment?
Call us at 707-538-3329 or use our online form to request service or consultations.
Reviews (6)
Daniel Figueroa
Dec 10, 2021 Report
Critical: Punctuality Overpriced thermostat replacement. The service was not for me. My daughter was your customer couple of weeks ago and told me how much it cost to replace the thermostat. Service: Thermostat repair
Steve Grossmann
Jun 12, 2021 Report
We have had issues with our instant heat boiler for years. JW Hanson sent out their most experienced boiler technician. He resolved the issue within 15 min. He then inspected the entire system and told us what issues we should remedy so that the boiler would be more efficient. I highly recommend this company to anyone with a boiler or for any heat issue.
Donald Lipmanson
Jun 14, 2020 Report
Hanson Heating and Air consistently does an excellent job of periodically servicing our radiant home heating system. Ely is especially friendly and always finds time to explain the problem and the fix to this interested homeowner, and Hanson's office staff are the nicest.
Marcia Crinnion
Apr 15, 2020 Report
JW Hanson Heating & Air are experts in their field and well qualified to perform the necessary work. The two gentlemen who worked at our home were courteous, prompt, knowledgeable and cleaned up their work space when necessary. Would highly recommend.
Carol Gordon
Mar 30, 2020 Report
Hanson Heating & Air has given us great furnace service for the past 8 years. Initially, they replaced an old under-house furnace and moved the new Trane furnace into the attic, with a clever re-use of the existing supply lines throughout the house. They have done periodic tune-ups and maintenance as needed. Also, they were willing and able to remove excess natural gas lines the previous owner had set up under our house to feed an addition, which required lots of crawl-space work. JW Hanson himself did our initial proposal inspection, and was the only contractor willing to actually go in under our house to look at the existing worn-out furnace before bidding the new one; all of the other team members who have helped us since have been equally can-do and professional. We're thankful they cover Marin County.
Paul Markun
May 27, 2019 Report
We've had 3 homes in Marin in 34 years and plenty of HVAC experiences. Hands down Hanson's provided the most professional, timely, and valuable assistance we've ever had servicing and installing heating systems here. Quality team, managed by a calm, reassuring detail freak- Will Hanson. You can't go wrong with these people.