From the Field
Honest, practical advice on heat pumps, insulation, and energy savings — from the crew that does the work.
A home inspection checks safety and code compliance. A home energy audit checks performance. Here is how to think about the timing for each.
Most homes benefit from an energy assessment every 5-10 years, or sooner after major changes or comfort problems. Seven triggers that mean it's time.
What the Efficiency Maine Green Bank loan process actually looks like, from a contractor who helps homeowners apply every week.
Maine heat pump financing explained: Efficiency Maine rebates, Green Bank loans, and NEIF options. Real costs, payments, and how to combine programs.
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Yes, but not through Efficiency Maine Green Bank. The financing options for a boiler or furnace replacement in Maine, including NEIF Energy Plus.
A home energy audit in Maine costs $300 to $500. Efficiency Maine rebates up to $400, leaving about $100 out of pocket. Our energy assessment is free.
Maine's housing stock is old and heating costs are high. These five upgrades deliver the biggest return, in the right order.
Caulking a window is a weekend project. Sealing a building envelope is not. Here is where DIY air sealing ends and professional work begins.
The 25C federal tax credit ended December 31. But Efficiency Maine rebates are state-funded and still available, covering up to $18,650 in combined incentives.
The homeowners thought their problem was the drafty living room. The energy audit told a different story, starting with a 4,200 CFM50 blower door result.
We booked 14 energy assessments last week in Greater Portland. By October that number triples and the wait doubles. Why spring gives you the 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...
Spring thaw exposes what winter hid. Ice dam scars, attic bypasses, and compressed insulation all signal your home is working too hard. What to look for.
Pre-1970's Maine homes were built with little or no insulation. They also benefit the most from weatherization, because the gap to improve is enormous.
Portland's housing stock is old, and older homes lose heat in predictable ways. Here is where to start if you own a pre-1960's home in Greater Portland.
A 1960s Cape Cod in Portland was spending $3,800 a year on oil heat with cold bedrooms and ice dams. Weatherization plus two heat pump heads changed that.
A Westbrook family cut annual heating costs from $3,500 to $1,400 by switching from oil to heat pumps.
Most people call us because their heating bills are too high. But the improvements we make change things they did not expect, and those get talked about.
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.
The best time to install a heat pump in Maine is the season before you need it. Why the shoulder seasons beat the rush, and how to be ready.
Before investing in solar panels, reduce your home’s energy waste with insulation and air sealing.
Efficiency Maine is adding $500 to heat pump rebates through the end of 2026. Here is what qualifies and how to capture it.
A 1950's Cape Cod in Portland was drafty, had ice dams, and cost $350/month to heat. See how insulation and air sealing cut heating bills by 40%.
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.
Maine has installed over 143,000 heat pumps, more per capita than almost any other state. The real numbers behind adoption and cost savings.
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.
South Portland's post-war ranches and capes lose heat in predictable ways. Here is how insulation and cold-climate heat pumps work together to fix them.
Portland's older homes present unique insulation challenges. What to look for in an insulation contractor and why cellulose works for New England.
Portland's older homes lose 25-40% of heated air through gaps in the building envelope. How air sealing with blower door testing stops drafts at the source.
Portland homes need cold-climate heat pumps rated to -15F. Learn about sizing for triple-deckers, Victorians, and coastal homes plus Efficiency Maine rebates.