This refers to a home or building that needs to reduce heating and hot water usage by a minimum of 50%. 

It usually involves:

insulation in all the walls, basement, attic and sometimes basement moisture control. It also regularly involves upgraded windows, heating/hot water system, foam insulated panels under siding or beneath roofing shingles and a ventilation system.  These are very exciting to plan and work on!

Let us work with you to retrofit your home- the savings will be incredible and your home will be more comfortable and affordable. (207) 512-2408

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Jennifer M, Hallowell

Bo, Thank you so much for your performing the work at my house. You and your crew did an amazing job. It has made such a difference in the temperature in every room. Good luck to you in your future endeavors. Thanks again!