Skip to main content Skip to main navigation
Choose a Region

Welcome to our Long Island NY Home site.

We're not sure if this is right. If you confirm where you use our services most, we can tailor our site to your needs.
Note: If you've told us more than once your browser could be blocking cookies. Click to learn more about cookies

Select Your Region

Where can we help you today?

Energy Savings Programs

Home Energy Affordability Team (HEAT) Income-Eligible

National Grid’s income-eligible energy efficiency program provides free home energy assessments, health and safety testing, and no-cost energy savings products which could include:

  • Programmable or smart thermostats
  • Low-flow faucet aerators and showerheads
  • Carbon monoxide detectors
  • Attic insulation, weather stripping, duct sealing, and air sealing of leaks
  • Natural gas heating and water heating equipment may sometimes be repaired or replaced at no cost to the customer

Eligibility will be determined at the time of application. Please contact us by telephone at 1-844-375-HEAT (4328) or by e-mail at

HEAT Income Eligibility Guidelines

2019-2020 Household Income Limit
Household SizeMonthly Income Annual Income
1 $2,494 $29,933
2 $3,262 $39,144 
3 $4,030 $48,354 
4 $4,797 $57,564
5 $5,565 $66,774
6 $6,332 $75,984
7 $6,476 $77,711
8 $6,620 $79,438
9 $6,764 $81,165
10 $6,908 $82,892
11 $7,086 $85,035
12+ +$553/person +$6,630/person

National Grid Energy Efficiency Rebate Programs

If you are not income-eligible, you may be interested in a rebate for purchasing new, qualifying energy efficient gas equipment such as:

  • Heating boilers
  • Heating furnaces
  • Water heaters
  • Wi-Fi thermostats
  • Pipe insulation
  • And more

To learn more about rebates, please click here.

We also offer a National Grid Online Marketplace where you can buy top-quality energy saving and connected home products at affordable prices to save you energy, enhance your comfort, and bring peace of mind. Instant price discounts are available exclusively for National Grid customers for smart (Wi-Fi) thermostats, showerheads, and more.

Energy Savings Tips

Making small changes in your daily activities can add up, lowering energy bills and enhancing home comfort. With our energy savings tips, you can start making changes now.

Oil to Gas Conversions

At National Grid, we make it easy for you to switch to natural gas. What are the advantages of converting your home?

  • Affordability
  • Convenience
  • Economic health
  • Clean and green
  • Versatility

Click here to learn more about oil to gas conversions.