Are Radiant Barriers Worth the Money?
Radiant barriers are cool! Well, actually they get quite warm, but they help the space below them stay cooler when used on a roof assembly above an unconditioned attic. They can drop the temperature of an attic about 20° F.
But are they cost effective? How much in actual savings on your energy bills can you expect if you pay to get a radiant barrier installed during construction of your new home?