Cut Energy Costs.
Get Upgrades.
All with Mass Save®

Save up to 15% with weatherization, or 20%+ with more upgrades.

  • Upgrade Your System

Get a new heat pump system with full or partial coverage through Mass Save®

  • Save 15–30% on Energy Use

Up to 15% with weatherization — more with additional upgrades

  • No-Cost Upgrades

$0 air sealing & up to 100% off insulation*

  • 0% Interest Financing

Loans up to $25,000 through the Mass Save HEAT Loan

Request Your
No-Cost Assessment

By scheduling an HEA, 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.

How the Program Works

Step 1

Schedule your free assessment

Fill out the form and our team will confirm the best time.

Step 2

A 1A specialist visits your home

We complete the assessment and identify savings opportunities.

Step 3

Get a personalized report

With recommendations and available incentives for your home.

Step 4

Review benefits and choose what makes sense

You decide what to move forward with — no obligation.

1A HOME ENERGY — A TRUSTED MASS SAVE® PARTNER

As a proud Mass Save® Partner, 1A Home Energy is committed to helping Massachusetts residents access no-cost energy-saving upgrades.

Our certified team delivers home energy assessments that help reduce energy expenses and increase comfort — all backed by the Sponsors of the Mass Save® program.

2,000+

Homes Served

Quick Easy

Process

Testimonials

“Our energy bill dropped.” After air sealing and insulation, we felt the difference right away. The house is more comfortable and costs less to heat and cool.

Sarah M.

Natick, MA

“Way better than I expected.” I thought it might be a hassle, but it was smooth and professional. We got insulation and a new thermostat. Great service!

Megan R.

Framingham, MA

“They explained everything clearly.” We felt taken care of from start to finish, and the process was easy.

Lauren T.

Ashland, MA

“Real savings.” We used to spend a lot on heating. After the insulation, the house holds temperature better and the bill went down.

Chris K.

Southborough, MA

“Renters can do it too.” I assumed I couldn't because I rent. We scheduled the assessment and still received no-cost upgrades.

Katie L.

Petersham, MA

“Our home stays cooler.” After sealing and insulation, the heat stopped coming in. The AC runs less!

Matt H.

Westborough, MA

“We paid nothing.” The assessment, installation, and even materials were all covered.

Michael P.

Worcester, MA

FAQ

Mass Save® is an official Massachusetts state program, sponsored by utilities such as Eversource and National Grid. Benefits are available only for homes served by these utilities. 1A Home Energy is an authorized participating contractor.

Operated by 1A Brazil Heating and Air Conditioning Inc. (doing business as “1A Home Energy”).

1A BRAZIL HEATING AND AIR CONDITIONING INC