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Why thermal imaging works best during Maine winters

Thermal imaging is one of the diagnostic tools we use during …

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House humidity in winter: What should your home’s humidity be?

If you’ve noticed foggy windows, musty closets, or cold rooms …

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Evergreen named Maine’s top contractor for insulation rebates in 2025

It’s official! Efficiency Maine named Evergreen Home …

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Are Efficiency Maine rebates going away? Here’s what homeowners need to know

If you’re wondering the same thing, you’re not alone.

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What’s that draft? How to find and fix common air leaks

If your house feels breezy even with the windows closed …

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Why your attic shouldn’t smell like laundry

You’ve got a lot of things that vent air out of your home …

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Bangor Daily News: Sen. Collins should save home energy tax credit to protect Mainers from rising heating costs

Over the last 10 years, Maine’s retail electricity price rose by 55 percent, the third-fastest in the U.S

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Improve Your Home’s Efficiency Before Heat Pumps!

Transcript: You may have heard that heat pumps offer immediate …

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Why You Should Avoid DIY Insulation

Insulating your home can provide numerous benefits, like more comfort, lower energy bills, and healthier indoor air. While insulation installation may seem easy enough for homeowners to tackle themselves, especially those accustomed to DIY home improvement projects, it requires attention to detail and several things can go wrong if done incorrectly.

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Maximizing ROI: How Replacing Insulation Can Increase Your Home’s Value

Insulating or encapsulating your basement can provide whole-home benefits, like improved indoor air quality, lower energy bills, and more. Get started in MidCoast Maine today.

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How Ice Dams Cause Damage to Your Home

We’ve had quite the winter so far here in Coastal Maine and the Portland area. With a constant fluctuation in temperatures, many homeowners are experiencing icicles, known as ice dams, on their gutters. Ice dams can not only be difficult to remove, but unfortunately, they can cause severe damage to your home as well. 

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How to Prepare Your Home for Maine’s Changing Climate

Find out how insulation and air sealing can help prepare your home for extreme and unpredictable weather conditions. Schedule an energy assessment to get started today.

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Very Satisfied with the work performed by Evergreen. Professional employees, high quality work done in a timely manner. My sales rep was Justin, and he was phenomenal During the initial walk around my house, he gave me great ideas for how to improve the efficiency of our home. We will consult with Evergreen for our future home projects.

Adam G.

Westbrook

Evergreen did a fantastic job insulating our 1930's home. The onsite team was professional, clean, and really just a joy to interact with throughout the process. A blower test at the end showed a significant decrease in air leakage. I highly recommend Evergreen.

Kristen H.

South Portland

First we have Evergreen do a BIG project worth about $20K (windows, basement, insulate & rebuild an entire wall, a door, attics, and air sealing). They were so great we had them come back later when we decided we did want to do our other door. They are professional and do great work. They take care of your home and are trustworthy, and on top of all that friendly! I highly recommend you call them!

Garreth C Debiegun

Evergreen did a fantastic job replacing 28 windows in our house. They were friendly, courteous, and very detail oriented. Brian did a great job planning, estimating and executing the project. Our energy use has dropped significantly since the work was done.

Alex B.

Kittery

Our house still the most efficient home we’ve ever lived in. And we have you folks to thank for that! A special howdy to Brian Robinson please!

Bruce O’Donal and Eva Butler

Evergreen came back this year to finish insulating our house. We have been remodeling and renovating an 1850s cape for several years. Their employees are very professional and pleasant to deal with. Over several years Brian Robinson has been able to schedule us in for several small areas that needed addressing and finally turning a room we used to close off in the winter into a comfortable usable space. We primarily heat with wood and since Evergreens great work our furnace has only come on ONCE this winter. Fantastic. Really satisfied customer in Thomaston.

Chris F.

Thomaston

My husband and I bought a home on the water in Owls Head and decided to make the investment in Evergreen's recommendations for insulation. Brian Robinson spent 3 hours examining every nook and cranny before he made practical suggestions and explained them thoroughly to us.

Marie McNeely

Owls Head

I was extremely pleased with the professionalism and quality of service that I received from the Evergreen team. I met Richard to discuss options for insulation. I knew immediately that I wanted to do business with them because he did not try to over-sell extra services that I did not need. Dave was the project manager. He was not only kind, but very respectful of my home. I would highly recommend this company.

Darlyann M

Bath

The team members were very professional, worked very hard, paid very close attention to detail and cleaned up meticulously every day. I really appreciated the care they took knowing the smallest details were going to make a big difference to our heating bills. Thank you!

Pam B.

Brunswick

Working with Brian and with Nate and the rest of the crew was a pleasure. They made everything very easy and understandable. This was a major renovation and they were always at the ready with a lot of information. We had an extensive renovation on the basement which was a dirt basement and it came out beautifully. We can already tell from all of the insulation work what a difference it's made in sound and temperature. Brian worked with me on the rebates that are available when you do this kind of work. I would highly recommend this company to…

Valerie L.

Rockland

Evergreen has a professional and reliable team of people who do excellent work. If you want the best of the best in the area, select Evergreen to accomplish your insulation needs.

Mary E.

St. George

Evergreen completed the work at my home thoroughly and professionally. An inspector from Efficiency Maine came to inspect afterwards and described it as "state of the art" and "outstanding". The crew was very pleasant and considerate during the project. Their cleanup each day was perfect. Communications with the office were easy and reliable. I am very satisfied.

Catherine H.

South Portland

I made the mistake of NOT hiring this company last year when I bought and renovated my home. I have brought them in now and what a difference. This group knows what they are doing. They take a complete look at everything and believe they can make your home more energy efficient. They are very professional in the way they approach problems and solutions. And they find ways to save me money. Don't bother with anyone else. Bring Evergreen in before you do anything. Let them assess your issues and give you the right solutions.

Shaw

Owls Head

Evergreen is the "go-to" company for improving the efficiency of your home. There are others to choose from but none so effective, honest, and capable as Evergreen. They did a great quantity of dense packing cellulose to improve our home (both for energy efficiency and for sound insulation) and it was totally successful. They are on-time, helpful, and caring. They clean up to a level that can't be over emphasized. This was the second time we employed them and we'd use them again if the opportunity came. You'll not be sorry to select Evergreen.

Dirk F.

Belfast

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. I highly recommend Evergreen!

Martha Bracy

Portland Buy Local
Efficiency Maine
EPA Lead-Safe Certified
Building Performance Association
BPI Certified