• Comprehensive Home Efficiency Services
    See what Evergreen can do for you!
  • Evergreen Home Performance, Windows and Doors, ME
    Beautiful, Efficient Windows & Doors
    Learn more about our selection.
  • Evergreen Home Performance, Mother and daughter snuggling at home, ME
    Get Comfortable, Save Money
    Schedule an energy audit with our team!
  • Evergreen Home Performance, New England home, ME
    Are You Experiencing A Home Comfort Issue?
    We solve a range of home comfort problems.

Welcome to Evergreen Home Performance

Evergreen's team of energy advisors and field technicians offers energy efficiency audits & contracting throughout Maine, with energy advisors based in Portland, Bath, Rockland, and Belfast. Schedule a free consult with infrared analysis to learn how your home works, and begin planning a customized efficiency upgrade that helps it work better.

Get started today!

What We Do

Homeowners choose Evergreen for seamless, successful home performance projects that cut energy bills by 25-50%. From thorough energy analysis through comprehensive improvement projects, you can count on us to look at the big picture, find the real root of your home's comfort, health, and safety problems, and provide comprehensive solutions, from start to finish.Our Services

  • Free consults: Learn how your house works - and how it could work better.
  • Energy audits: Assess your whole house to pinpoint problems and engineer solutions.
  • Air sealing: Tighten up your house to control air movement.
  • Insulation: Slow the flow of heat for year-round comfort.
  • Basement encapsulation: Eliminate moisture to keep your home warm and dry.
  • Replacement windows: Improve your home's comfort, durability, and value with windows by Marvin.
  • Financing: Access Efficiency Maine incentives and loans to make your project affordable.

Beat the heat this summer and save $500!

Beat the Heat Promotion

Improve your home's comfort, efficiency and durability the smart way--with Evergreen Home Performance!

(207) 594-2244

Schedule Service

By submitting this form, you accept the Mollom privacy policy.
Get Started


Lower Your Air Conditioning Bills
Though summer in Maine is perhaps as perfect as the season can get anywhere in the world, we’d all be lying to ourselves if we said there’s never a single need for air conditioning. From Rockland to... Read more

Case Studies

In 2011, a Liberty couple purchased their 1880s Cape Cod style home that had undergone major renovations in 2005. As soon as they moved in, they... Read More