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High-Efficiency Water Heating

Man and child laughing with shaving cream on their faces and a water heater appears on the right.

In alignment with the commonwealth’s climate policy and goals, the Sponsors of Mass Save are discontinuing rebates and financing for equipment powered by natural gas, oil and propane. Eligible natural gas, oil and propane heating and water heating equipment must be purchased and installed by August 31, 2024, and all necessary documentation submitted by September 30, 2024, to receive a rebate. The deadline to request the HEAT Loan Authorization Letter for eligible natural gas, oil or propane equipment was April 30, 2024. See for more details.

Let the savings, comfort and efficiency flow.

You could start saving money right away with rebates on a high-efficiency water heater.

Saving money and energy is always important. New, high-efficiency water-heating equipment can help you do both. 

To see if now is a good time to upgrade your water heater, check the age and health of your current water-heating equipment. After all, we understand that nobody wants to experience a breakdown in the middle of winter.

Use this chart to see if it's time for you to switch to the savings, comfort and peace of mind of a high-efficiency model.

Type of Water Heater Average Effective Unit Life Span (Years)
Heat Pump Water Heater 10
Indirect Water Heater 11
Storage Water Heater (Gas) 15
On-Demand Water Heater 20

Learn about qualifying equipment, working with contractors and finding rebates for high-efficiency water-heating equipment that saves energy without sacrificing performance.

Savings through Mass Save®, if qualifications are met when replacing an existing heater.

Save up to $1,500

Take advantage of rebates for qualifying storage water heaters.

Get $50 rebate

One solution for all of your space- and water-heating needs.

Get $900 rebate

Get exclusive rebates for qualifying on-demand water heaters.

Get $450 rebate