EPA’s ENERGY STAR program does not set, issue, or manage tax credits or rebates. Any Federal Tax Credits that are available for energy-efficient products are set and overseen by the IRS. Please check the IRS web site for information on Federal Tax Credits available today and how to apply. You can find information on the 2019 Residential Energy Credits from these forms:
EPA is not aware of any specific guidance the IRS has issued on radiant barriers.