Isolamento e proteção contra intempéries de edifícios

Participate in a No-Cost Energy Assessment
Contact your Mass Save Sponsor to schedule a no-cost energy assessment before installation. A qualified vendor will contact you to determine existing conditions at your facility and identify potential energy-saving measures during an in-person  or virtual assessment. Recommended improvements will be installed by a vendor qualified by the Sponsors of Mass Save.

 OR

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, Liberty Utilities, or Unitil, notification and approval of the project is required prior to installation.

• Download & Email Rebate Form

Can’t find what you’re looking for? The Sponsors of Mass Save offer customized project support to help your business save energy and money and reduce greenhouse gas emissions.

For a full list of eligibility requirements, please reference the rebate form.

• Facilities 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 Sponsor.
  • For customers of Berkshire Gas, 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 knee-wall insulation), exterior wall insulation, basement insulation, and exterior door weatherstripping.
• Basement insulation incentives are limited to the following categories: above-grade walls, crawlspaces, and rim joists. All moisture issues must be resolved before insulating basement walls.
• 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.

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