NY HEAP Application Guide provides details for the residents/non-residents of the New York City on how to apply for a Regular HEAP Benefit. The application also includes details such as belows:

About HEAP and types of fuel which can be benefitted by HEAP
Regular HEAP Benefits
Eligibility Criteria for HEAP Benefit
Emergency HEAP Benefit
Heating Equipment Repair or Replacement Benefit
Clean and Tune Benefit
Cooling Assistance Benefit

Source of the information:
https://www.oswegocounty.com/
https://otda.ny.gov/

Disclaimer: Please note that, this is not official app of NY HEAP Application. The details which is given here guide you to check NY HEAP Application details via online with easy procedure.