Mass Save HEAT Loan Program

Mass Save (Multi-Utility Partnership)

Available Weatherization

About This Program

Mass Save HEAT Loan Program is available to homeowners in Lexington, MA.

Zero-interest loan for comprehensive energy efficiency improvements including insulation, air sealing, HVAC upgrades, and heating system replacements. Repayment term up to 7 years through utility bill.

Loan covers approved energy efficiency improvements with 0% interest repaid over up to 7 years

Verified against Mass Save (Multi-Utility Partnership)'s official page on 2026-06-17.

Data last verified 2026-06-09. How we verify our data.

In Lexington, MA, you can combine this program with other local help to cut your cost:

Key Details

  • 0% interest loan up to $25,000
  • No income requirement
  • Covers insulation, HVAC, heating systems
  • Repay through monthly utility bill over 7 years
  • Must complete Mass Save Home Energy Assessment first

How to Apply

Get free help applying Visit Official Program Page Track this program

(866) 527-7283

A grant-savvy contractor in Lexington, MA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Lexington early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Ongoing, year-round applications

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can Mass Save HEAT Loan Program provide in Lexington, MA?

0% interest loan up to $25,000.

Who qualifies for Mass Save HEAT Loan Program in Lexington?

Mass Save HEAT Loan Program is open to homeowners in Lexington, MA. It has no income limit.

How do I apply for Mass Save HEAT Loan Program in Lexington, MA?

Apply directly with Mass Save (Multi-Utility Partnership) using the official program link on this page or call (866) 527-7283. There is no middleman and no fee.

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse Lexington, MA contractors

Find More Programs in Lexington, MA

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

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