Thank you for such an informative article. I believe we will put a "rush" on replacing our 1958 home's windows with new, more energy-efficient ones now, rather than wait until spring, based on this info. The roof is due replacing in the next three years, although it sounds as though Shreveport may get some El Nino-delivered hailstorms this winter, which will make our insurance payments worth a new roof this summer instead!