Practical strategies for reducing energy costs in your Maine home — from building science basics to whole-home efficiency.
10 articles
We booked 14 energy assessments last week in Greater Portland. By October, that number triples and the wait time doubles. Here is why spring gives you every advantage.
Maine heating oil hit $4+/gallon this winter. Spring is the best time to weatherize, add heat pumps, and lock in Efficiency Maine rebates before next...
Most people call us because their heating bills are too high. That is the reason they pick up the phone. But the improvements we make end up changing things they did not expect, and those changes are often the ones they talk about most.
A breakdown of where heat escapes in a typical Maine home, what each area costs you, and which fixes deliver the best return on investment.
Before investing in solar panels, reduce your home’s energy waste with insulation and air sealing.
Installing a heat pump without insulating first means a bigger, more expensive system. Learn why the order matters.
Gorham and Windham homes tend to be larger, oil-heated, and under-insulated. Here is how whole-home performance upgrades apply to these properties.
Scarborough homes built in the 1970s through 2000s still lose energy in predictable ways. Here is how to find and fix the gaps that drive up your bills.
We are headquartered in Westbrook at 865 Spring St. Here is what we know about weatherizing the mill-era homes and workers' cottages in our own backyard.
Portland's older homes lose 25-40% of heated air through gaps in the building envelope. Learn how air sealing with blower door testing stops drafts at the source.