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Bill

S 2231

An Act to establish home energy efficiency ratings

194th Legislature (2025-2026) Introduced by Mike Barrett and 2 co-sponsors

Massachusetts bill establishes mandatory residential energy efficiency ratings to inform buyers/renters and incentivize building upgrades toward state climate goals.

Hearing rescheduled to 09/25/2025 from 01:00 PM-04:30 PM in A-1 and Virtual Hearing updated to New End Time
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Bill Summary · S 2231

Legislative bill overview

S 2231 establishes a mandatory home energy efficiency rating system for residential properties in Massachusetts. The bill requires homes to be assessed and labeled with standardized energy performance ratings, similar to how appliances receive efficiency ratings. This disclosure system would apply to homes at point of sale or lease.

Why is this important

Home energy efficiency ratings directly affect utility costs for residents and climate goals for the state. A transparent rating system enables buyers and renters to make informed decisions about energy consumption and long-term housing expenses, while potentially incentivizing property owners to invest in energy upgrades. Massachusetts has committed to aggressive emissions reductions, and residential building efficiency is a significant factor in achieving those targets.

Potential points of contention

  • Implementation costs: Property owners may bear assessment expenses, and some argue this creates barriers to home sales or rental transactions, particularly for lower-income sellers
  • Rating accuracy and standardization: Disagreement over what metrics should be measured, who conducts assessments, and whether ratings adequately reflect regional climate variations or building age differences
  • Market impact concerns: Real estate industry concerns that publicized low efficiency ratings could unfairly devalue homes or discourage sales in certain neighborhoods

Compiled from official sources — confirm details with the bill’s official record.

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