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Thank you for your patience during our recent billing system update. We have returned to normal business operations. All services and bill payment options are available again.

Home Energy Affordability Team (HEAT) Income-Eligible Program

National Grid’s Long Island income-eligible energy efficiency program starts with a free home energy assessment either in-home or virtually (whichever you prefer).

Health and safety testing of your appliances plus a new carbon monoxide and smoke detectors will improve your family’s well-being.

You could receive the following energy-saving products and services at no cost:

  • Programmable or Nest smart thermostats
  • Low-flow faucet aerators and showerheads
  • Attic insulation
  • Weatherstripping
  • Duct sealing
  • Air sealing of leaks
  • In some instances, we may be able to repair or replace natural gas heating and water heating equipment.

Income eligibility will be determined at the time of application.

Please call us at 1-844-375-HEAT (4328) or e-mail us at to schedule your assessment.

HEAT Income Eligibility Guidelines

Household Size Maximum Gross Monthly Income
1 person $3,035
2 people $3,970
3 people $4,904
4 people $5,838
5 people $6,772
6 people $7,706
7 people $7,881
8 people $8,056
9 people $8,231
10 people $8,407
11 people $8,582
12 people $8,890
13 people $9,532
Each additional Add $642