Weatherization Rebates

Upgrade your building's insulation, seal cracks in the attic, and lock in savings.

Improving your building's envelope is a cost-effective way to cut energy bills and improve comfort in your business space. The Sponsors of Mass Save® are offering incentives for business owners to upgrade the insulation in their attics and walls, and seal air leakage in their attics. Buildings less than 8,000 square feet are eligible for these prescriptive rebates, with some exclusions (see eligibility requirements below).

The Sponsors offer rebates proportional to how much insulation value (also called "R-value") has been improved, as well as the square footage of the insulated wall or attic. Incentives for air sealing of the attic, proportional to the square footage of the attic are also available.


Rebate Information:


Insulation Type Rebate Amount
Attic Insulation $0.08 per R-value added per square foot
Wall Insulation $0.12 per R-value added per square foot

Air Sealing Rebate Amount
Attic Air Sealing $88 per hour of air sealing work
(proportional to attic size, see application for details)

How to Receive Your Rebate:

  • 1 Have a No-Cost Energy Assessment

    Contact your Mass Save Sponsor to schedule a no-cost energy assessment, before installation, using the Find Your Mass Save Sponsor tool (right side bar).

    • A qualified vendor will contact you to determine existing conditions at your facility and identify potential energy savings measures during a site visit or virtual assessment. Recommended improvements will be installed by our qualified vendor.

    OR

  • 2 Apply for Weatherization Rebates

    Work with a licensed weatherization contractor to discuss your weatherization project and determine rebate eligibility. Upon completion of installation, apply for a rebate by submitting all required documentation by email to your Mass Save Sponsor. 

    • For customers of Berkshire Gas, Cape Light Compact, Liberty Utilities or Unitil territories, notification of project prior to installation is required. Please use the Find Your Sponsor tool for contact information.

 



Eligibility

  • Weatherization measures must be installed between July 1, 2022 and December 31, 2022. Completed application and required documentation must be submitted no later than February 28, 2023.
  • Facility undertaking weatherization improvements must be 8,000 square feet or less.
  • Offers valid only for commercial & industrial customers in Massachusetts where Berkshire Gas, Cape Light Compact, Eversource, Liberty Utilities, National Grid or Unitil are the electric or gas Program Administrator.
    • For customers of Berkshire Gas, Cape Light Compact, Liberty Utilities or Unitil territories, notification of project prior to installation is required. Please use the Find Your Sponsor tool for contact information.
  • Weatherization measures that have already received a rebate or incentive from a Mass Save Sponsor are not eligible.
  • Weatherization measures are limited to attic air sealing, attic insulation (including attic kneewall insulation), and exterior wall insulation. Basement insulation and air sealing are not eligible for rebates.
  • Mass Save Sponsors, at its discretion, may exclude projects in facilities with heating and cooling loads that are highly driven by ventilation requirements such as those incurred by food service or laboratory settings.
  • New construction projects are not eligible for this weatherization rebate.

Please note: Project installation may be subject to an onsite verification. See Terms & Conditions for full requirements.

Find Your Mass Save Sponsor

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