🌍 Weatherization Work in Designated Equity Communities (DEC Zones)

Souzet helps Massachusetts households in Designated Equity Communities (DECs) access no-cost weatherization through the Mass Save® program—improving comfort, lowering bills, and reducing energy waste.

What Are Designated Equity Communities (DECs)?

DECs are neighborhoods identified by the Commonwealth for enhanced energy-efficiency benefits due to higher energy burdens and historic barriers to upgrades. Residents can qualify for 100% coverage on approved insulation and air sealing after a Home Energy Assessment (HEA).

Massachusetts DEC Communities by City and ZIP

Greater Boston Area

MetroWest

North Shore & Merrimack Valley

South Shore

Southeastern Massachusetts

Western Massachusetts

Central Massachusetts

What Weatherization Includes

• Attic and kneewall insulation
• Dense-pack wall and floor insulation
• Air sealing to eliminate drafts
• Basement & rim joist insulation
• Ventilation and comfort improvements

Benefits for DEC Residents

• 100% Coverage: No-cost insulation and air sealing
• Lower Bills: Up to ~30% heating/cooling savings*
• Comfort: Fewer drafts, more even temperatures
• Greener: Reduced carbon footprint

*Savings vary by home and usage.

Why Choose Souzet

We’re a certified Home Performance Contractor (HPC) working with Abode Energy Management, Eversource, and National Grid. We confirm eligibility, conduct your free Home Energy Assessment, and complete no-cost weatherization—handling all paperwork for a smooth, compliant install.

Quick FAQ

Do ZIP codes alone qualify? No—address location inside the DEC boundary is what matters.

Is Longmeadow (01106) a DEC? No, it isn’t.

Is Acushnet (02743) a DEC? No, it isn’t.

How do I check eligibility? Contact Souzet—we’ll verify your address and handle next steps.