Radiant Barrier / Vented Attic

I am considering installing a radiant barrier to keep the vented attic cool. Attic is sealed and well insulated. Will the radiant provide any value to keep the ulitity bills… I am considering installing a radiant barrier to keep the vented attic cool. Attic is sealed and well insulated. Will the radiant provide any value to keep the ulitity bills…Read MoreGreenBuildingAdvisor