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Weatherization

Up to $3,500 Mail-In Rebate

Weatherizing your home can help prevent ice dams, frozen pipes, and drafty rooms. It can also help you stop wasting energy and take control of your heating and cooling costs. Efficiency Maine offers rebates and loans for weatherization projects.

Rebates

  Upgrade Rebate
1 Air sealing with energy assessment $400
(with minimum customer co-pay of $200)
2 Next Step Bonus $100
3 Attic insulation 30% of project cost up to $1,000
4 Wall insulation 30% of project cost up to $1,000
5 Basement insulation 30% of project cost up to $1,000
  TOTAL $3,500

Click here for Summit Natural Gas rebates.

Click here for rebates on Unitil, Bangor Natural Gas, or Maine Natural Gas insulation projects completed by 6/30/2019 and with claim forms emailed or postmarked by 7/31/2019.

Eligibility

Participant

  • Homeowners of any income

Building

  • 1- to 4-unit residential building. For larger buildings, see Commercial Programs.
  • Building is principal, year-round residence for occupants, NOT a seasonal, second, or vacation home
  • Installed in primary living area, not a garage or outbuilding
  • Located in Maine
  • New construction (including additions) is not eligible for weatherization rebates.
  • Lifetime limit of one wall insulation, one attic insulation, one basement insulation, and one air sealing rebate per building.

Installer

Timeframe

  • Upgrades completed within the last 12 months

Eligible for an Energy Loan

Upgrade (Click for details)

Energy Assessment with 6 hours of Air Sealing

  • 6 hours of air sealing
  • Upgrade must include a Building Performance Institute (BPI) energy assessment
  • Code-approved fire protection was added to foam insulation when applicable
  • Cost of energy assessment and air sealing must be at least $600

Attic Insulation

  • Attic must be air sealed prior to or as part of insulating the attic
  • Attic must be insulated to one of the following levels:
    1. Open attic insulated to at least R49
    2. Enclosed cavities filled to capacity with dense-pack insulation
    3. A minimum of 5” of high density spray foam on all attic surfaces
    4. High density spray foam was applied to within 1.5” of the surface of cavities that were subsequently enclosed
  • Batt insulation not eligible for rebates
  • Upgrade must be followed by a Building Performance Institute (BPI) Safety Test
  • Code-approved fire protection must be added to foam insulation when applicable

Wall Insulation

  • Walls must be insulated to one of the following levels:
    1. Enclosed cavities were filled to capacity with dense-pack insulation
    2. Open cavities were filled to capacity with low density spray foam
    3. High density spray foam was applied to within 1.5” of the surface of cavities that were subsequently enclosed
    4. Walls were covered by a minimum of 2” of rigid foam insulation (applied over the studs)
  • Batt insulation not eligible for rebates
  • Upgrade must be followed by a Building Performance Institute (BPI) Safety Test
  • Code-approved fire protection was added to foam insulation when applicable

Basement Insulation

  • Basement upgraded by insulating:
    1. Foundation walls from 2 feet below grade to ceiling with minimum 2” rigid or spray foam
    2. Basement or crawlspace ceiling with either dense-pack insulation or minimum 2” of foam
  • Batt insulation not eligible for rebates
  • Upgrade must be followed by a Building Performance Institute (BPI) Safety Test
  • Code-approved fire protection was added to foam insulation when applicable

Getting Started

  1. Find a Residential Registered Vendor
  2. Decide on upgrade details
  3. Arrange for financing (optional)
  4. Complete the upgrade
  5. Submit the Rebate Claim Form
  6. Allow 6 weeks for rebate processing

Terms and Conditions

Only one rebate will be paid for any given upgrade. The Residential Registered Vendor must be paid in advance of claiming rebate if the homeowner is the rebate recipient. Efficiency Maine does not warrant the performance of installed equipment. Program and incentives subject to change or termination. Consult this web page for up-to-date rebate amounts and program terms. Please allow six weeks for rebate processing. Incomplete information may delay or disqualify your rebate.