Special $10k Mass Save Rebates! Contact Us To See If You Qualify

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Mass Save® Insulation Rebates

With a Mass Save Rebate you can save 75% to 100% off the cost of new insulation.

About The Mass Save® Insulation Rebate Incentive

At Home Mechanics energy efficiency and cost savings are at the core of what we do. Our team of energy experts strive to help our clients reduce their carbon footprint while maximizing energy savings. By properly insulating your home, you can significantly reduce energy consumption, lower utility bills, and create a more comfortable living or working environment. Our insulation solutions are tailored to meet your specific needs, and help you make the most of the Mass Save Insulation program rebates.

Schedule a Free Mass Save® Energy Audit Today!

How To Get Your Mass Save® Insulation Rebate

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Schedule A Home Energy Assessment

The first step is to schedule a Home Energy Assessment. An energy specialist will inspect your home or business to identify areas where energy efficiency improvements can be made with regards to insulation and other options.

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Receive Recommendations

After the assessment, the Home Mechanics energy specialist will provide you with a list of recommended upgrades and improvements, estimated costs, and potential savings.

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Choose Insulation Upgrades

Your dedicated energy specialist can help you choose which upgrades best fit your situation. They can also provide you with financing options and help with any paperwork.

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Install Your Insulation Upgrades

Once you've selected your upgrades, the highly qualified insulation team will install the required insulation upgrades. Some upgrades may be eligible for instant rebates at the time of installation, while others may require additional paperwork to receive the rebate.

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Receive Rebates

Once the upgrades are installed, you'll receive a rebate check from Mass Save® to help offset the cost of the improvements. The amount of the rebate varies depending on the type of upgrade and the level of energy savings achieved. If Home Mechanics is managing the rebate process for you, your rebate will be applied at the time of your estimate.

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Enjoy Up To 20% In Energy Cost Savings

There's nothing more to do than sit back in comfort with your new insulation and keep your home at the right temperature. All provided through the Mass Save® Rebate Program.

Is Your Home Insulation Still Working?

Home insulation can last 20 to 80 years. However, it may need to be replaced sooner depending on the type of insulation, the R rating, compression, and movement over time, and whether any damage has occurred.


Here are a few signs your insulation may no longer be working:

  • Lingering unpleasant odors
  • Worsening allergy symptoms
  • Water damage
  • An unanticipated rise in bills
  • Heating and cooling issues
  • Household pests

Why Upgrade Your Home Insulation?

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Comfortable Heating In Cold Winter Months

Your home will stay longer throughout the winter and repel the bitter Massachusetts cold.

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Keep Cool In The Hot Summer

Stop hiding in the pool; you can keep more cool air in your home and ensure it doesn't escape uninsulated walls.

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Reduce Your Heating and Cooling Usage

You can stop taxing your air conditioning and furnace, along with your wallet!

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Save Money With Rebates & Month Over Month

Get up 75% to 100% of your insulation upgrade covered with Mass Save®

The Best Ways You Can Improve Your Home's Insulation

Mass Save® rebates offer up to $10,000 back off the costs of HVAC mini-split heat pumps. You can qualify for some of it by supplementing your existing heating system with mini-split, or you can qualify for all of it by replacing your entire heating system with mini-splits.

  • Use spray foam to add insulation and seal air leaks
  • Use batts or blankets to improve the R-value of your attic
  • Use fiberglass batts and blankets, which are the most common and inexpensive types of insulation, or;
  • Use expanded polystyrene (EPS), which is cost-effective and efficient, or;
  • Use foam board or rigid foam, which provides good thermal resistance and reduces heat conduction through structural elements
  • Seal air leaks with weatherproofing strips and caulking
  • Add thick curtains to your windows
  • Fix drafty doors with a door snake
  • Seal your attic air leaks
  • Plug your chimney when not in use

The most efficient way to insulate a house is to add insulation to the areas that are most vulnerable to heat loss, including the attic, exterior walls, and floors. Attic insulation is the most effective at preventing heat loss, as it prevents heat from escaping through the roof.

The EPA estimates that the average homeowner can save 15% on heating and cooling costs by adding insulation in attics, crawl spaces, and basement rim joists.

The Kinds Of Insulation You Can Get With The Mass Save Program

Blown-In Cellulose Insulation:

Cellulose insulation is a type of insulation made from recycled paper products, primarily newsprint. It is mechanically blown into or onto empty spaces in the structural part of a house to slow down the transmission of heat or cold.

Cellulose insulation has a very high recycled material content, generally 82% to 85%. It is prone to settling and compression, which can decrease its R-value. It also requires specialized equipment to install, so it's less DIY-friendly than its batt insulation counterparts.

Cellulose insulation has a lifespan that can last up to 30 years. It's a green and effective choice.

Spray Foam Insulation:

Spray foam insulation stands out as an exceptionally efficient insulator and air sealer. Its unique ability to be sprayed into snug cavities, expanding to fill the space makes it perfect for hard-to-reach areas.

Its resistance to moisture accumulation reduces the likelihood of mold or bacterial growth. On the other hand, open-cell spray foam, though less common, expands upon application, making it ideal for difficult-to-access corners. Although it lacks the water resistance and density of closed-cell foam, it offers a cost-effective alternative, delivering effective insulation at a more economical price. Regardless of the season, if keeps the inside of your home at just the right temperature.

Fiberglass Batting Insulation:

Fiberglass batt insulation is a type of insulation that is made of fiberglass. It is also known as blanket insulation. The manufacturing process uses molten glass spun or blown into fibers. Most manufacturers use up to 40% to 60% recycled glass content. It is one of the most common products used to insulate walls, ceilings and attics as well as basements and crawl spaces.

Rigid Foam Insulation:

Rigid foam insulation is made of hardened foam plastic. It is typically made from one of three types of plastics: polystyrene, polyisocyanurate (polyiso), or polyurethane. It is known for its durability, insulating capabilities, and resistance to water and pests and is often used in crawlspaces and basements.

Rigid foam insulation is applied to the exterior of a building as a continuous layer of insulation and is used to prevent heat loss and gain through the wall frame, floors, and roof.
Its resistance to moisture accumulation reduces the likelihood of mold or bacterial growth. On the other hand, open-cell spray foam, though less common, expands upon application, making it ideal for difficult-to-access corners. Although it lacks the water resistance and density of closed-cell foam, it offers a cost-effective alternative, delivering effective insulation at a more economical price. Regardless of the season, if keeps the inside of your home at just the right temperature.

Customers Who Saved With The Mass Save Program:

You can cut costs when you upgrade your heating & cooling system. Join the many customers who are saving with the Mass Save incentives.

Mass Save® Insulation Rebate FAQ's:

How much can I save through Mass Save® rebates on insulation?

Homeowners can save up to 75% to 100% on insulation rebates, and gain an 20% heating and cooling average savings! To learn more about the Home Energy Assessment and Mass Save® Insulation Rebates, click here.

Why is insulation good for the environment?

Insulation is good for the environment because it reduces the need for natural gas, propane, fuel oil, and electricity to heat and cool buildings. This reduces emissions of pollutants such as carbon dioxide, sulfur oxide and nitrogen oxide.

Insulation also reduces energy consumption and the demand for utilities that rely on fossil fuels to produce power, such as gas, oil, and charcoal. In addition, products like cellulose and mineral wool use recycled materials, which enhance sustainability.

Insulation is one of the most accessible and effective ways to reduce heating and cooling energy use-and, therefore, greenhouse gas emissions-in the built environment.

How does insulation conserve energy?

Insulation conserves energy by reducing the exchange of heat through a surface such as the ceiling or walls. Insulation works by trapping tiny pockets of air to slow down the movement of heat out of the house in the winter and into the house in summer.

Insulation can help you save up to 20% on your home's heating and cooling costs or up to 10% on its total energy costs. Insulation also improves comfort by making your home more pleasant.

Insulation can also benefit the environment by reducing emissions of pollutants such as carbon dioxide, sulfur oxide and nitrogen oxide.

How long does home insulation last?

Home insulation can last 20 to 80 years. However, it may need to be replaced sooner depending on the type of insulation, the R rating, compression and movement over time, and whether any damage has occurred.

Do I qualify for the Mass Save® Rebates incentives?

Qualifying for Massachusetts insulation rebates is a breeze. Simply book a free Mass Save® home energy assessment with Home Mechanics to kickstart the process! 

Do insulation upgrades really save money?

Yes, insulation upgrades can indeed save you money over time. Proper insulation acts as a barrier to heat flow in your home, reducing the amount of energy required to maintain a comfortable temperature. In colder months, it keeps warm air from escaping, and during warmer months, it prevents hot air from entering your home. This results cutting your heating and cooling costs by an average of 20%!

Is Your Home Eligible for the Mass Save Heat Pump Rebate?

The Mass Save Program requires eligibility to take advantage of the Rebates Program. Below are the main eligibility requirements, however re recommend that you speak with a professional mini-split heat pump contractor about your eligibility.


  • Offers valid only for Massachusetts residential customers services by Berkshire Gas, Cape Light Compact, Eversource, Liberty Utilities, National Grid, or Unitil.
  • A Mass Save Heat Pump Installer Network contractor must install equipment
  • Equipment must be installed during the time period of January 1, 2023, and December 31, 2023
  • Equipment must be listed on the Mass Save Heat Pump Qualified Products List
  • Equipment must be new and installed to replace oil, propane, natural gas, or electric baseboard (resistance) as the primary heating system
  • Whole-home rebates: homes must be sufficiently weatherized before heat pump installation, and a Whole-Home Heat Pump Verification Form must be completed and signed.
  • Rebate form and supporting documentation must be received by February 29, 2024
  • Partial-home rebates: an integrated control from the Mass Save Integrated Control Qualified Product List must be installed in homes with a pre-existing heating type of propane, oil, or natural gas


Information And Statistics About The Mass Save Program

Overall, the Mass Save energy program is a comprehensive initiative designed to help residents and businesses in Massachusetts reduce their energy consumption, save money, and promote environmental sustainability. The program is sponsored by the state's electric and gas utilities, as well as the (Massachusetts Department of Energy Resources)[ ].

Massachusetts is one of the most energy-efficient states in the country. Through the Mass Save program, residents are creating a better, more sustainable future with measurable impact.


A few statistics:

3.7 M Metric tons of CO2 reduced. That's equivalent to taking 795,650 cars off the road.
$24.7 B Generated benefits for Massachusetts residents and businesses.
12.2 M MWh saved in electricity.
From the start, Home Mechanics' dedicated energy specialists have simplified the complexities of applying for a Mass Save rebate or loan. By assessing your needs and helping to select the right equipment, you'll make the most of the Mass Save incentives.