Honest Pricing

Satisfaction Guarantee

Emergency Service

Supportive Team

20 Years Experience

Has it been a long time since that furnace has been replaced? Most warranties last 10 years.

Family owned and operated, Larsen Energy Systems continues to provided professional HVAC services for Santa Rosa and Sonoma County.

We focus on quality installation, leading HVAC products, and outstanding customer service. By combining our attention to detail with honesty, and product knowledge, our certified team can get the job done right.

Have a difficult situation? Our experience staff have the knowledge to figure out even the toughest situations.


Duct Work

Older homes with metal ducts can leaking up to 60% of their airflow. Stop losing money and have your ducts checked today.

Furnace/Heater Service

Time to replace that old furnace? The last thing anyone wants is not having heat during those cold winter months.

Air Conditioning

By having your cooling equipment professionally maintained or replaced, you’ll ensure a nice cool home.

Creative Projects

You have a project that no one can handle? We’ve designed and implemented unique setups for many of our customers. See how we can help you.

Get A Duct Leak Test. Your current metal duct maybe be leaking up to 60%. Your Utility expenses could be heating the neighborhood. Get a Quote Today!

Cutting Edge. High Tech. Traditional & Over 20 Years of Experience. 10 year warranty for full system replacements.

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