Estimate Your Project Cost Before You Call
Five free calculators to help Maine homeowners budget insulation projects, estimate Efficiency Maine rebates, and plan financing. Get a realistic number before we meet — then we’ll refine it with exact measurements at your free in-home assessment.
Know Your Numbers Before You Commit
Most homeowners go into a contractor meeting without any idea what a project costs — which makes it hard to evaluate what you’re being quoted. These calculators give you a realistic ballpark before anyone shows up at your door.
They’re built for Maine — using local installation cost ranges, current Efficiency Maine rebate percentages, and realistic project scopes for the kinds of homes we work on every day. The estimates are not quotes, but they’ll tell you whether a project is in your budget and how much of it rebates and financing can cover.
After you run the numbers, the next step is a free in-home assessment. We measure everything, confirm your rebate eligibility, and give you a firm price before any work begins.
Efficiency Maine Rebate Calculator
Find out how much Efficiency Maine will rebate on your insulation project. Select your project areas (attic, wall, rim joist, basement, crawl space, air sealing), enter square footage, and choose your income tier. Shows estimated project cost, rebate amount (40%–80% depending on income tier, up to $8,000), and estimated out-of-pocket cost in real time.
Attic Insulation Cost Estimator
Estimate the cost of adding or upgrading attic insulation in a Maine home. Enter your attic square footage, current R-value (if known), target R-value (default R-49 per Maine code), and material preference. See your estimated project cost range, estimated rebate, and estimated out-of-pocket after Efficiency Maine rebate.
Related Service: Attic Insulation →Spray Foam Project Estimator
Estimate the cost of a spray foam insulation project. Select your application type (rim joist, basement walls, unvented attic, wall cavities), enter the area in square footage, and choose your foam type. See estimated project cost range based on typical Maine spray foam pricing, and applicable Efficiency Maine rebate if the area qualifies.
Related Service: Spray Foam Insulation →Basement & Crawl Space Cost Estimator
Estimate the cost of a basement insulation or crawl space encapsulation project. Select your project type (rim joist only, basement wall insulation, full crawl space encapsulation, or combination), enter the area in square footage or linear perimeter. See estimated cost range, estimated Efficiency Maine rebate, and estimated out-of-pocket.
Related Service: Basement Insulation → · Crawl Space Encapsulation →Monthly Mortgage Payment Calculator Coming Soon
A standard mortgage payment calculator to help homeowners and buyers estimate monthly payments. Enter home price, down payment, loan term, and interest rate to see estimated monthly principal and interest, total interest paid over the life of the loan, and total amount paid. Useful for buyers evaluating homes or homeowners considering refinancing to fund energy upgrades.
Buying & Selling Real Estate → · Financing & Rebates →Calculators Are a Starting Point — A Free Assessment Gives You Exact Numbers
Our calculators use typical Maine cost ranges to give you a realistic budget before you call. But every home is different — square footage, existing insulation levels, accessibility, and current conditions all affect the final number. A free in-home assessment locks in your actual project cost, confirms your Efficiency Maine rebate eligibility, and gives you everything you need to make a decision.
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