Massachusetts MLP Zero-Interest Energy Efficiency Loan Guide (2026)

A red house exterior with two windows, a large wall-mounted heat pump unit, utility meters, and a black metal chair on a concrete pad in the sunlight.

Massachusetts MLP Zero-Interest Energy Efficiency Loan 2026 Overview Massachusetts homeowners served by municipal light plants may qualify for zero-interest energy efficiency loans of up to $25,000 for heat pumps, insulation, and electrification upgrades. These loans are administered locally through municipal utilities with interest paid by the state, allowing homeowners to repay only the principal over […]