 Henry, why is now such a good time to install attic insulation? Homeowners can get 30% of the cost of the insulation back as a tax credit. To get a quote on attic insulation or any roof questions, call 434-3020 or go to XcelRoofing.com. At Xcel, you don't pay a cent until you're content. 719-434-3020. XcelRoofing.com. Thanks.