2026 Mass Save® & Municipal Rebates & Incentives
Rebates & Energy Incentives in Massachusetts – How to Save on Insulation, Heat Pumps & More
At Endless Energy, we help Massachusetts homeowners maximize their savings with Mass Save® incentives, brand rebates, and municipal rebates.
From insulation for insulation to heat pumps and thermostats, our team is here to guide you through the process and ensure you take full advantage of the available incentives.
Whether you’re looking for Mass Save® residential rebates or exploring Mass Save commercial rebates, we provide instant rebates on qualifying services, so you don’t have to wait for the savings. Let us help you improve your home’s energy efficiency and reduce costs today!
Information below was updated as of January 4, 2026.
2026 Mass Save Rebates & Incentives
2026 Mass Save® Residential Weatherization Incentives
75% – 100% off insulation, plus no cost air sealing of leaks in drafty areas of your home
Eligibility requirements apply, reference the Mass Save® website for more details.
75% off insulation incentive example
Cost: $3,500
Incentive: $2,625
Payment: $875
2026 Mass Save® Whole Home Heat Pump Rebate
$2,650 per ton up to $8,500
Whole home rebate requires the removal or disconnection of the existing fossil fuel system as well as weatherization to meet program eligibility requirements. Eligibility requirements apply, reference the Mass Save® website for more details.
3 Ton Central Heat Pump Cost Example
Cost: $23,000
Incentive: $7,950
Payment: $15,050
2026 Mass Save® Partial Home Heat Pump Rebate
$1,125 per ton up to $8,500
Installation of integrated controls with a minimum set point for switching between heat pumps and a fossil fuel system OR the complete offsetting of a heating zone in a home. Eligibility requirements apply, reference the Mass Save® website for more details.
2 Ton Hybrid Heat Pump Cost Example
Cost: $15,000
Incentive: $2,250
Payment: $12,750
2026 Mass Save® Basic Heat Pump Rebate
$250 per ton up to $8,500
For installations that do not replace oil, propane, natural gas, or electric resistance heating. Eligible projects include: heat pump replacement, heat pumps for previously unconditioned spaces, heat pumps for cooling only. Eligibility requirements apply, reference the Mass Save® website for more details.
1 Ton Ductless Heat Pump for Sunroom Cost Example
Cost: $7,000
Incentive: $250
Payment: $6,750
2026 Mass Save® Heat Pump Water Heater Rebate
$750 instant rebate
Equipment must be new and installed to replace an existing residential electric resistance, propane, natural gas, or oil water heater OR installed as part of a new home construction project that is not earning incentives through another Mass Save program. Eligibility requirements apply, reference the Mass Save® website for more details.
50 Gallon Heat Pump Water Heater Cost Example
Cost: $3,900
Incentive: $750
Payment: $3,150
2026 Municipal Rebates & Incentives
2026 CMLP Residential Whole Home Heat Pump Incentives
$3,000 per ton up to $10,000 for whole home heat pump installation
If home built before 2008, a Home Energy Assessment with Energy New England within the past 3 years is required.
Eligibility requirements apply, reference the CMLP website for more details.
3 Ton Central Heat Pump Cost Example
Cost: $23,00
Incentive: $9,000
Payment: $14,000
2026 CMLP Residential Partial Heat Pump Incentives
$1,250 per ton up to $10,000 for a partial heat pump installation
Integrated controls required if supplemental heating system uses oil or propane.
Eligibility requirements apply, reference the CMLP website for more details.
2 Ton Hybrid Heat Pump Cost Example
Cost: $15,000
Incentive: $2,500
Payment: $12,500
2026 RMLD Residential Whole Home Heat Pump Incentives
$2,000 per ton up to $8,000 for new heat pump installation
$400 per ton up to $4,000 for a heat pump replacement
Whole home customers may also be able to access a 0% interest 7 year loan for up to $40,000.
Weatherization is required in conjunction with heat pump installation for the customer to be eligible for the heat pump rebate. Eligibility requirements apply, reference the RMLD website for more details.
3 Ton Central Heat Pump Cost Example
Cost: $23,00
Incentive: $6,000
Payment: $17,000
2026 RMLD Residential Partial Heat Pump Incentives
$1,000 per ton up to $3,000 for a new partial home heat pump installation
$200 per ton up to $2,000 for a partial home heat pump replacement
Eligibility requirements apply, reference the RMLD website for more details.
2 Ton Hybrid Heat Pump Cost Example
Cost: $15,000
Incentive: $2,000
Payment: $13,000
2026 TMLP Residential Weatherization Incentives
50% off weatherization and air sealing up to $3,000
Eligibility requirements apply, reference the TMLP website for more details.
50% off insulation incentive example
Cost: $3,500
Incentive: $1,750
Payment: $1,750
2026 TMLP Residential Heat Pump Incentives
$1,250 per ton up to $5,000 for both whole home and partial heat pump systems
TMLP customers may also be able to access a 0% interest 7 year loan for up to $25,000.
Eligibility requirements apply, reference the TMLP website for more details.
2 Ton Hybrid Heat Pump Cost Example
Cost: $15,000
Incentive: $2,500
Payment: $12,500
2026 WMLP Residential Whole Home Heat Pump Incentives
$10,000 whole home heat pump rebate on a new installation
WMLP offers a $10,000* rebate to customers who: 1) install a new heat pump system that provides between 90% and 120% of their home heating load; and 2) remove and decommission their existing fossil fuel and/or electric resistance heating system. Customers who choose to retain their existing system (e.g., for backup heat or for hot water) are eligible for a lower $8,000 rebate.
Eligibility requirements apply, reference the WMLP website for more details.
3 Ton Central Heat Pump Cost Example
Cost: $23,000
Incentive: $10,000
Payment: $13,000
2026 WMLP Residential Partial Home Heat Pump Incentives
$1,500 per outdoor heat pump condenser
Eligibility requirements apply, reference the WMLP website for more details.
2 Ton Hybrid Heat Pump Cost Example
Cost: $15,000
Incentive: $1,500
Payment: $13,500
2026 WMLP Residential Basic Heat Pump Incentives
$500 per ton up to $2,500 of a new heat pump installation
Designed for customers updating an existing HP or installing a HP in a previously unconditioned space (less than 500 square feet) such as a new addition.
Eligibility requirements apply, reference the WMLP website for more details.
1 Ton Ductless Heat Pump in Sunroom Cost Example
Cost: $7,000
Incentive: $500
Payment: $6,500
FAQs: Mass Save® Rebates & Incentives in 2026
What is the Mass Save® Residential Weatherization Incentive?
The Mass Save® Residential Weatherization Incentive offers 75% to 100% off insulation and no-cost air sealing for eligible homes. This program helps improve your home’s energy efficiency by sealing leaks in drafty areas, which can significantly reduce energy bills. Eligibility requirements apply—please visit the Mass Save® website for full details.
How do I qualify for the Mass Save® Thermostat Rebate?
The 2026 Mass Save® Thermostat Rebate provides instant savings of over $100 when installed by a certified Home Energy Specialist during Your Home Energy Assessment. To qualify, your home must meet certain requirements, and the installation must be done by an authorized contractor. For more information, visit the Mass Save® website.
What are the Mass Save® Air Source Heat Pump Incentives?
The 2026 Mass Save® Air Source Heat Pump Incentives offer $2,650 per 12,000 BTUs of capacity up to $8,500 for whole-home heat pump installations. For the whole home-rebate, the heat pump must be your sole source of heating and cooling with the fossil fuel system disconnected or removed, and the home must be fully weatherized to program standards.
Income-based enhanced incentives off eligible customers up to $16,000 or up to 100% off heat pump installations. You must meet income requirements, and the heat pump must be your sole source of heating and cooling.
Partial Home Rebates are also available for outdoor condensers, with up to $1,125 per 12,000 BTUs of capacity up to $8,500. Partial installation must fully offset a zone or use integrated controls with the existing fossil fuel system.
Can I combine the Mass Save® incentives with other financing options?
Yes, Endless Energy offers flexible options to help you get the most out of your savings. You can combine the Mass Save® rebates with the $0 Down, 0% APR 5-Year Heat Loan, making it easier to afford energy-efficient upgrades. Additionally, you can choose to receive the Mass Save rebates directly deducted from your estimate, so you don’t have to wait for the rebates to come in.
What is the Mass Save® VRF Commercial Air Source Heat Pump Incentive?
The Mass Save® VRF Commercial Air Source Heat Pump Incentive offers $2,800 per ton for qualifying commercial installations. This incentive helps businesses upgrade to energy-efficient HVAC systems. For more details on equipment and eligibility, visit the Mass Save® website or contact us for assistance.
