Energy efficiency rebates in Massachusetts.
Every federal, state, and utility incentive for heat pumps, insulation, air sealing, and weatherization in Massachusetts — cross-referenced and kept current.
Tell us about your project. We'll match you with local pros and every rebate you qualify for.
Mass Save
- Type
- Utility Consortium
- Website
- www.masssave.com
- Phone
- (866) 527-7283
- IRA allocation
- $114M
Active rebate programs
6 programs currently accepting applications in Massachusetts.
| Program | Amount | Eligibility | Status |
|---|---|---|---|
| Whole Home Heat Pump | $2,650/ton (max $8,500) | Replacing primary heating system | Active |
| Partial Home Heat Pump | $1,125/ton (max $8,500) | Supplemental heat pump | Active |
| Weatherization | 75-100% of cost | All residents (100% for income-eligible) | Active |
| HEAT Loan | 0% interest up to $25,000 | All homeowners | Active |
| Income-Eligible Programs | No-cost insulation + appliances | Income-qualified households | Active |
| Seasonal Electric Rate Discount | ~$540/winter | Heat pump customers | Active |
Run the numbers for Massachusetts.
Free, no account needed. Every figure is cited, so you have a benchmark before a Massachusetts contractor quotes you one.
IRA implementation status
How Massachusetts is implementing the Inflation Reduction Act home energy rebates.
Metro areas in Massachusetts
Local utility programs and municipal incentives by metro area.
BERDO 2.0 for large buildings. Eversource territory.
BEUDO performance standards
Eversource, full Mass Save access
National Grid territory
Rebates are step one
Once you know what Massachusetts pays, here's the rest of the path: what order to do the work in, and what belongs on a fair quote.
What order to do it in
Envelope first, equipment second — how to sequence a retrofit to your budget and your rebates' deadlines.
How to read a quote
What belongs on a heat pump or insulation quote, and the red flags that mean keep shopping.
What attic insulation costs
Per-square-foot prices by material, and why this is the work rebate programs subsidize hardest.
Claim rebates after install
The document kit, the application walkthrough, and the mistakes that get claims rejected.
Rebates cover part of it. Here's the rest.
What Massachusetts pays is the first rung. These cover the money questions underneath it: the 2026 federal rules, the state and utility loan programs worth checking before a bank, and the borrowing routes that come after.
How to pay for it
The whole money picture in order of cost: rebates first, then low-interest loans, then borrowing.
State energy loans
The state and utility loan programs we have verified at the administrator, with rates and conditions.
The 2026 rebate rules
What DOE Program Notices 26-1 and 26-2 changed about HEAR and HOMES, and which states are live.
Latest Massachusetts energy news
Recent Massachusetts rebate, policy, and efficiency coverage from our monitored sources.
Massachusetts Is Taking Steps to Lower Energy Costs. Let’s Get the Details Right.
Massachusetts lawmakers are working on energy bills meant to lower electricity costs. The House and Senate have each passed versions that would make it easier to install rooftop solar and battery storage, including simpler permitting rules. A committee is now reconciling the two bills before sending a final version to Governor Maura Healey. One part of the proposal worth knowing about: a mandate for new "fixed charges" on electric bills, meaning a flat fee every customer pays regardless of how much power they use. According to a review of Eversource and National Grid data, this would raise bills for homes and small businesses that use less electricity, while lowering bills for the biggest users. At Eversource, the lowest-use quarter of residential customers would see bills rise more than 10 percent, while the highest-use quarter would see bills fall about 2.5 percent. National Grid's smallest residential users would see bills climb nearly 14 percent. Fixed charges would also shrink the savings homeowners get from having rooftop solar, a battery, or efficiency upgrades, since less of the bill would depend on how much electricity is actually used. The state's Department of Public Utilities is already reviewing how utility bills are structured and has said it wants to study the fixed-charge question carefully before deciding anything. A range of consumer groups, low-income advocates, businesses, and clean energy companies have raised concerns about locking in fixed charges before that review finishes. If you're in Massachusetts and considering solar, storage, or efficiency upgrades, this fixed-charge debate could affect how much those investments end up saving you on your bill.
Boston explores sea- and river-source heat pumps for big buildings
Boston is testing a new way to heat and cool large buildings: pulling thermal energy from the harbor and nearby rivers. A heat pump moves heat from one place to another to warm or cool a space, and water holds heat more steadily than air, staying cooler in summer and warmer in winter. That makes rivers and harbors an efficient source, especially in a dense, old city like Boston where digging for conventional ground-source geothermal systems is difficult or costly. Three projects are underway. The Boston Area Thermal Energy Network Project, launched in late July, is studying how to draw heat from Boston Harbor, the Fort Point Channel, and the Charles and Mystic rivers to serve large institutions; final recommendations are expected by summer 2027. The University of Massachusetts Boston, which has used seawater for cooling since the 1970s, is now adding equipment to also pull heat from the water for winter heating, aiming to cut natural gas use by 82 percent across 12 buildings. And Vicinity Energy is building a 35-megawatt river-source heat pump on the Charles River, expected to be the largest in North America, to supply steam heat to its institutional customers in Boston and Cambridge. These projects target large institutions, not individual houses, so they will not directly change what a homeowner installs. But they signal growing momentum for water-based heat pump technology in the region, which could eventually shape local energy infrastructure and climate goals.
Q&A Spotlight: Flashing Strategy for an Exterior Renovation
A homeowner in Boston is redoing the exterior of a 1960 Cape-style house and ran into a common problem: how to seal the joint where a brick chimney meets the wall so water can't get in. He's stripped the old cedar shingles, fiberboard, and tar paper down to the wood sheathing, and plans to add a water-resistant barrier (a sheet material that blocks water but lets some moisture escape), then 2 inches of wood-fiber insulation board, a small air gap called a rainscreen, and new siding. His plan was to tape the brick to the water barrier with a specialty flashing tape, then caulk the gap between the new siding and the chimney once it's installed. This kind of detail matters because chimneys are one of the trickiest spots on a house to waterproof. The masonry and the wood-framed wall move differently as temperatures change, and any gap where they meet is a likely spot for water to sneak behind the siding and rot the wall over time. If you're planning a similar exterior renovation with added insulation, rainscreen gap, and new siding, the area around a masonry chimney is worth extra attention, since standard flashing details made for two wood surfaces don't always work the same way against brick. No product names, costs, or rebate programs were part of this discussion, so there is nothing here that changes eligibility for weatherization or efficiency incentives. It is simply a construction detail worth knowing about if a chimney is part of your own exterior upgrade plans.
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