It is a tax credit score application which can spend to insulate your Key home, If you're a US citizen. Underneath the EERE software, you'll be able to receive a tax credit of approximately $1,500 USD, or about 30 p.c of the quantity you paid out to insulate and weatherize https://freeecogrants.co.uk/what-are-the-steps-to-apply-for-free-external-wall-insulation/