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The Weatherization Assistance Program (WAP) assists families and individuals by reducing their heating/cooling costs and improving the safety of their homes through energy efficiency measures. Owners/landlords of buildings occupied by low-income households are also encouraged to apply for assistance for their buildings. Participants who reside in a rental unit, please call our office to obtain a copy of the Landlord Preliminary Agreement for your landlord to fill out and sign.

Program services are delivered through New York State Homes and Community Renewal’s statewide network of local service providers. CDLI is the provider of weatherization services for Nassau and Suffolk Counties.

Funds are made available through the U.S. Department of Energy and U.S. Department of Health & Human Services.

Funds are available for approximately 400 homes each year. Applications are addressed on a first-come, first-served basis. If an application is incomplete or determined to be ineligible, you will be notified within 48 hours.

Typical repairs may include but are not limited to:

  • Weatherstripping & Caulking

  • Attic & Wall Insulation

  • Heating System Improvements or Replacement

  • Energy Efficient Lighting

  • Energy Efficient Refrigeration

  • Hot Water Tank & Pipe Insulation

  • Smoke Detectors & CO Detectors

  • Window Repairs or Replacement

  • Exterior Door Repairs or Replacement

  • Other Minor Repairs That Improve Energy Efficiency

English Application:

Download PDF • 1.32MB

Spanish Application:

Download PDF • 1.28MB

Contact Info


(631) 471-1215 ext. 1550



All repairs are determined after a comprehensive energy audit has been completed by one of CDLI’s BPI-certified Building Analysts. None of the above repairs are guaranteed. All services are provided without charge or obligation to the occupant of the home. However, owners of rental buildings are required to invest funds toward the cost of the Weatherization services.

Take Action

Contact us before applying.

Weatherization Assistance Program

Weatherization Assistance Program

Energy efficiency measures that reduce costs and improve safety.

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