Accidentally letting your pipes freeze can result in hundreds of dollars' worth of home repairs. The solution? "Insulate exposed pipes in crawlspaces, garages, and exterior walls with foam sleeves," suggests Justin Cornforth from Ace Home Co. Or, if you don't have foam sleeves, Cornforth also says that you can "[use] heat tape to prevent them from freezing." Not only are these foam covers great for helping insulate pipes, but they'll even work to keep pipes from developing condensation during the summer. Each one is pre-slit so that they're ready to be installed right out of the box - and the self-sealing edges make them easy to secure in place.