
Mass Save Incentive Programs
Renovations and Additions
Incentives are available for homeowners and their builders who are renovating and/or adding to existing single-family homes and multi-family buildings, three stories or less. If energy upgrades are substantial, the incentive can be as high as $25,000 if Level 3 is achieved. A certified HERS Rater can provide a preliminary energy model and report to estimate savings.
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Residential New Construction – Low Rise
Incentives are available for builders or owners building and designing single-family homes or multi-family buildings that are three stories or less.
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All Electric Homes
Incentives are available for builders or owners building and designing high-performing, all-electric single-family or 2–4-unit homes. There are two levels of incentives: Level 1 up to $15,000, and Level 2 up to $25,000 for a single-family home. A certified HERS Rating is required to enroll the home in the program. Multi-unit dwellings also qualify for substantial incentives.
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Heat Pumps for Heating & Cooling – Residential & Business
Mass Save offers a Whole Home incentive of $10,000 and a Partial Home incentive of $1,250 per ton (12,000 BTUs) for installing energy-efficient heat pumps to replace or supplement oil, propane, natural gas, or electric resistance heating. A weatherization assessment must be completed before installation.
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Income Eligible Residential Programs
Two income-based programs offer significant incentives, starting with a no-cost Home Energy Assessment and discounted or no-cost products and services.
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Heat Loan Program
The Heat Loan Program continues in 2024 with loans up to $50,000.
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Water Heaters, Appliances & More Rebates
Municipal Electric & Gas Companies
A good starting point with most municipal electric and gas companies is Abode Energy Management, which assists municipalities with heat pump programs and provides step-by-step instructions.

Mass DOER – Alternative Energy Credits Program
The Massachusetts Department of Energy Resources continues to offer incentives for alternative electricity technologies, such as heat pumps and geothermal systems, through its market-based program. This program has recently rebounded and offers significant incentives for different size homes.
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Ducted, Ductless, and Mixed Heat Pump Systems
Ductless Systems
Ideal for larger rooms or open-concept spaces like kitchens, living, and dining rooms. They also work well in large master bedrooms. However, they are less effective in small bedrooms due to low heating and cooling loads.
Ducted Systems
Ducted heat pumps can replace existing furnace systems or be installed with new ductwork. They distribute conditioned air efficiently to all rooms, regardless of size.
Mixed Systems
Mixed systems use both ductless and ducted units. A common approach is ductless units on the first floor and a ducted system for second-floor bedrooms, ensuring whole-home comfort.
MA Energy Code Summary – Updated September 2024
For an easy-to-read PDF of the updated code summary, email: info@AceEnergyMA.com
The Importance of Measuring Building Air Tightness
When installing new heating and cooling equipment, it is crucial to accurately determine the heating and cooling load of a home. Building airtightness can have a large impact, and measuring it (rather than assuming) provides assurance and improves the accuracy of the energy model.
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