Energy Hero
Energy Hero crew weatherizing a Massachusetts home

Home Energy · Weatherization

Protect your home
from the inside out.

Weatherization treats the whole house as one system — air sealing, insulation, and moisture control working together. It's the most complete way to maximize efficiency and protect your home for the long run, with major Mass Save® incentives.

Why It Matters

One system,
treated as one.

Comfort problems are rarely one thing. Weatherization fixes the weak points together — so the results actually last.

Whole-home comfort

Air sealing and insulation work together to end drafts, cold floors, and hot upstairs rooms — steady comfort in every season.

Moisture & ice-dam control

A properly weatherized envelope manages moisture and stops the attic heat loss that causes ice dams and long-term damage.

Lasting savings

By treating the home as one system, weatherization delivers deeper, more durable energy savings than any single upgrade alone.

Energy Hero crew weatherizing a home's building envelope

How It Works

Coordinated,
complete, covered.

From the whole-home assessment to the final install, our experts coordinate every measure — and handle the Mass Save® paperwork for you.

01

Whole-home assessment

We evaluate how your entire envelope performs — air leakage, insulation, and moisture — to build one coordinated plan.

02

Seal, insulate, protect

Our crew air-seals the gaps, brings insulation up to spec, and addresses ventilation and moisture so everything works together.

03

Maximize incentives

Weatherization is the heart of the Mass Save® program — we handle the paperwork so you capture up to 75–100% off approved work.

No Cost · No Obligation

A home that's ready
for every season.

Book a Home Energy Assessment and get a complete weatherization plan built for your home.

By participating, you are agreeing to share your submitted information with the Mass Save® Sponsors, Mass Save vendors and contractors,* and your Community First Partner [if applicable], solely for the purposes of supporting your participation in Mass Save. Your information will not be shared with other entities or used for purposes other than providing assistance with services related to Mass Save.

*“Mass Save vendors and contractors” includes but is not limited to energy services contractors, heat pump installers, home energy raters, engineers, architects, community-based organizations, and other energy efficiency organizations and their subcontractors that partner with Mass Save Sponsors to deliver energy efficiency programs.