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    Up to $3,500 Weatherization Rebates From Efficiency Maine
    30% of project cost up to $1,000 per zone, plus $500 for assessment & air sealing!
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    Join Our Team
    Ready to jump start your career? Contact us today to learn about the exciting opportunities waiting for you!
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    Get Comfortable, Save Money
    Schedule an energy audit with our team!
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    Beautiful, Efficient Windows & Doors
    Learn more about our selection.
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    Are You Experiencing A Home Comfort Issue?
    We solve a range of home comfort problems.
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    Comprehensive Home Efficiency Services
    See what Evergreen can do for you!

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

(207) 594-2244

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Welcome to Evergreen Home Performance

At Evergreen Home Performance our goal is to help Maine people increase the comfort of their home and reduce their impact on the environment. We are dedicated to helping Maine address the climate crisis and evolving weatherization needs of our homes by providing the best home performance services throughout Coastal Maine.

Using expert energy audit diagnostics, we can provide you and your family with the insights you need about how your home is performing. From upgrading your insulation, encapsulating your basement, or replacing your windows and doors, Evergreen Home Performance has the tools you need to live more comfortably and “energy wise” in your Maine home and save money on your utility bills.

Speak with us today to set up your Free Energy Consult

Home Performance For Your Maine Home: Insulation, Energy Audits, Marvin® Windows

What our clients are saying about us

  • Loriel Van Dusen

    Evergreen did everything they said they would and more. I actually don't mind going into the basement now since they sealed it. The air quality in the house is noticeably better and it's warmer in the winter. We can even store clothing down there where before, whatever was in there would mildew... Read More

    - Loriel Van Dusen
  • Thanks Evergreen Home Performance for helping to make our home more efficient. Many thanks as well to Bryan for the initial walk through and recommendations to make our home more efficient and to Dave, Roland, and Jacob for a job that was done professionally and courteous.... Read More

    - Carol Fink
  • Great company. Very professional and thorough. They take the time to explain everything and offer options to fit your budget. Wonderful experience from start to finish.

    - Bonnie Eustace
  • Evergreen is a terrific company to deal with. Polite and efficient crews, meeting deadlines and major reduction in our heat bills. They corrected a lot of issues we suffered from doing work with a shoddy building contractor. We would recommend them to anyone.

    - Mary Carey
  • I would recommend Evergreen wholeheartedly because of their professionalism, their follow through, and thoughtful project planning.

    - Jennifer A
  • The folks at Evergreen did a great job fixing a rather major insulation problem in my house, which they helped identify with a great audit. When the work began, they were thorough, upbeat, and -- dare I say it -- efficient. I strongly recommend them.

    - Michael Williams
  • The Evergreen team was amazing from initial assessment and planning to the crew that came to complete the work. Our basement encapsulation is the best money we've spent on our house by far. The work was thorough and high quality. And what a wonderful group of people to work with.... Read More

    - Martha Bracy
  • Nothing but good things to say. The guys that came and did the actual work were extremely nice and did a great job. The energy audit was thorough and I was presented with multiple improvement options, I was even given ideas for improvement that Evergreen didn't offer.... Read More

    - Ryan Adams
  • Very easy process, start to finish.  Friendly, professional, and really know their stuff.  They made some improvements to our condo and we were very happy with how it played out.  Would definitely recommend them.

    - Clayton Eames


Marvin windows home exterior patio double door
Here at Evergreen Home Performance, we make it our business to know which companies are making the best windows and doors, so we can install them in homes from York up to Cape Elizabeth and into the... Read more

Case Studies

If you own a historic home, you understand how difficult it can be to optimize indoor comfort while also preserving the structure’s timeless beauty.... Read More