About Us

Why Evergreen Geothermal?

Evergreen Geothermal is Maine’s premier source for residential geothermal heating and cooling projects. Since 2007 Evergreen Geothermal has installed hundreds of systems in Southern and Eastern Maine, and New Hampshire. With experience in Residential, light commercial, municipal, greenhouse, and storage solutions, no project is out of our capability.

As a company, we specialize in closed-loop and horizontal-loop geothermal heating and cooling solutions. We work closely with our drilling and excavation contractors to build you the best system you can get.

Licenses and certifications:

Licensed State of Maine Water Well Commission Geothermal Closed Loop Master Drillers and Installers

IGSHPA Certified At Oklahoma State University Ground Source Heat Pump Institute

Licensed EPA Refrigeration Techs

Member of Maine Ground Water Association , past Legislative Committee Member

Bosch Geothermal Factory trained

Licensed Propane and Natural Gas Appliance Connection and Service Technicians

NATE certified

Company History

FOUNDED in 2007 by David A. Leonard, a Falmouth resident for over 40 years.

David got his education in Falmouth, before going on to Rochester Institute of Technology.

Background in Mechanical Engineering, Machine Tool Sales , Aircraft, Auto and Boat Mechanics.

Owner of Evergreen Geothermal attended IGSHPA installer training at Oklahoma State University.

Purchased drilling equipment in 2008

Over 150 systems installed. Specialists in residential market, new construction and retrofits.

Since our inception, Evergreen Geothermal has designed and engineered all of our own systems using our in-house engineers.

Based in Falmouth, ME.

Specialists in closed loop installations.