LOW-COST WINDOW REHAB Look at each window individually for the most economical treatment The wood double-hung window has been the standard choice for more than 200 years in residential structures. Recently, steel (see "Coping with and PVC have offered alternatives, but wood or wood-clad windows still dominate in new residential construction, so that's what we'll discuss here. In rehab, our first decision on windows comes after a thorough inspection. The goal is to come up with the least expensive way to put a window back into shape—a way that balances requirements for light, ventilation, access, energy loss, aesthetics, and longterm maintenance. One At a Time The most cost-efficient way to look at window rehab is to deal with each window individually. A single-family home might involve eliminating three