Oil Heating and Water Heater Rebates

Lower your energy bills and make your home more comfortable.

Please Note: Before upgrading or installing an oil boiler or furnace, consider a heat pump. Heat pumps provide both heating and cooling in one unit and can be installed with or without existing duct work. The Sponsors of Mass Save offer rebates up to $15,000 per home on qualifying heat pump systems. Click here to learn more.

Oil Heating Equipment

You can reduce your winter energy costs by upgrading to high-efficiency heating equipment. In addition to savings on your monthly bill, eligible customers can save on equipment costs with rebates of up to $4,500.


Oil Water Heating

A high-efficiency water heater can reduce your monthly energy costs. In addition to savings on your monthly bill, eligible customers can save on upfront equipment costs with rebates of up to $300.


Interested in 0% financing?

Apply for a Mass Save HEAT Loan prior to installing your equipment. The Sponsors® of Mass Save are buying down interest rates to make energy efficiency more affordable for Massachusetts residents. With our HEAT Loan, you could qualify for a loan of up to $25,000 toward qualified energy efficient home improvements with terms up to seven years, depending on your Sponsor and the loan provider.


New system(s) must be replacing an existing residential electric, propane, natural gas, or oil water heating and/or heating system. Visit Residential New Construction Program, Residential High-Rise New Construction Program and Renovations and Additions Program to learn about how to participate in these programs.



  • Offers valid only for residential customers in Massachusetts where Cape Light Compact, Eversource, National Grid, or Unitil is the Program Sponsor.
  • Equipment must be installed by a licensed contractor or plumber between January 1, 2023, and December 31, 2023.
  •  Equipment must be new and must meet minimum efficiency requirements.
  • Rebate form and supporting documentation must be received by February 29, 2024.

Please note, program is subject to change without notice, including rebate and incentive levels. Rebate cannot be combined with other Mass Save incentives for the same equipment. Rebate amount not to exceed total installation cost. Sponsor reserves the right to conduct a verification inspection prior to rebate payment. Please allow eight weeks for rebate processing. Sponsor does not warrant the performance of installed equipment. See Terms & Conditions for full requirements.


For more information about program details and the rebates offered on qualified equipment, call 1-888-855-0340 or email [email protected].