A bill to amend the Internal Revenue Code of 1954 to encourage greater conservation of energy in home heating and cooling by allowing individuals a credit of 25 percent of amounts paid or incurred for the installation of more effective insulation and heating equipment in existing residential structures.

Amends the Internal Revenue Code to allow an individual income tax credit for 25 percent of the amounts paid or incurred for the purchase and installation of qualified insulative materials or heating equipment in the taxpayer's principal residence. Limits the credit to $375, or $750 in the case of a joint return.

Stipulates that to be considered qualified such improvements must meet heat loss reduction or heating efficiency criteria to be established by the Secretary of the Treasury in accordance with standards developed and prescribed by the National Bureau of Standards.