Energy Efficiency and Assistance Act of 2001

Energy Efficiency and Assistance Act of 2001 - Amends the Low-Income Home Energy Assistance Act of 1981 to redefine "leveraged resources" to include any State program which facilitates the collection of donations by electric and gas utilities to be used by public agencies or private nonprofit organizations to pay the utility bills of specified individuals with insufficient financial resources to pay such bills.

Extends authorization of appropriations for home energy grants to FY 2005.

Amends the Home Owners' Loan Act to include residential energy efficiency improvement loans among the assets of a savings association that qualify as qualified thrift investments.

Amends the Truth in Lending Act to require a creditor, when determining consumer eligibility for a residential energy efficiency improvement loan, to take into account estimated future savings attributable to energy efficiency improvements.

Amends the following Acts to instruct the Secretary of Housing and Urban Development to develop and implement measures that promote financial incentives for increased energy efficiency: (1) National Housing Act; (2) the Housing Act of 1949; (3) the Federal National Mortgage Association Charter Act; and (4) the Federal Home Loan Mortgage Corporation Act.