Improve Your
Home's Efficiency

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Increase your comfort. Reduce your energy use.

Properly insulating and air sealing your home can help improve year-round comfort and cut your heating and cooling costs by up to 20%

Whether you already know which upgrades you need, or you're ready to discover your top energy-saving opportunities, we're here to help.

This program is available to residential customers of the Sponsors of Mass Save ®. Customers must live in a 1-4 unit home.

Eligibility for some rebates/incentives is based on findings from the Home Energy Assessment. Some restrictions apply and offers are subject to change or cancellation. Financing is subject to approval from a participating lender.

Customers who meet household income guidelines may instead be eligible for the Mass Save Income Eligible Program.

The benefits of weatherizing your home include:

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Reduce energy use

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Fewer drafts

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Improved air quality

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Reduced outside noise

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Improved humidity control

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Reduced allergens and pests

During a no-cost Home Energy Assessment, your Energy Specialist will identify opportunities to save energy and recommend energy efficiency solutions for your whole home. They may also provide instant savings measures during the assessment, based on your needs.

Following your Home Energy Assessment, your Energy Specialist will provide a custom home energy report highlighting which rebates and incentives you may qualify for, as well as any recommendations for insulation and air sealing.

Customers have the option to select which partner contractor will perform the recommended work. 

Home Energy Assessments are available for:

Quality Assurance Inspection
After work is completed, the program conducts quality assurance inspections for Home Energy Assessments, weatherization work (air sealing and insulation), HEAT Loans and rebated heating systems. Quality assurance inspections are performed by one of the following trusted vendors:

Abode Energy Management
Center for Eco Technology (CET)
CMC Energy Services, Inc.
RISE Engineering

When you schedule your no-cost Home Energy Assessment, you'll receive:

  • 75%—100% off approve insulation improvements
  • No-cost targeted air sealing
  • Rebates of up to $25,000 on qualifying energy-efficient heating, cooling and/or water heating equipment (eligibility is based on findings from your Home Energy Asessment)
  • A custom home energy report highlighting the rebates and incentives you qualify for
  • The opportunity to apply for 0% interest financing through the Mass Save HEAT Loan Program for eligible upgrades

Three Paths to Energy Savings

  • 1Not sure where to start?

    Call 866-527-SAVE (7283) to schedule your no-cost Home Energy Assessment with an Energy Specialist from a Lead Vendor: CET, CLEAResult or RISE. Insulation and air sealing work is then completed by the participating Independent Installation Contractor (IIC).

  • 2 One-stop shop

    Choose a participating Home Performance Contractor to complete your no-cost Home Energy Assessment. The same contractor will also complete any insulation and air sealing work.

  • 3 Direct weatherization

    If it's already clear that you require insulation and/or air sealing upgrades and are looking to quickly access incentives, consider the direct weatherization path. Skip the Home Energy Assessment and work with a participating Direct Weatherization Independent Installation Contractor to scope out your project and access incentives.