Inexpensive, lightweight and won’t rot, which makes it ideal for customized windows; however, it also causes conductive heat loss or gain as well as condensation, which can increase heating and cooling bills.
Fiberglass
Excellent energy saving costs; however slightly more expensive than replacement windows made of vinyl.
Vinyl
Inexpensive, low maintenance, durable, and provides very good energy savings. They are available in a wide range of styles; however, these cannot be painted and over time can discolor.
Wood
Wood provides good insulation, as it is unaffected by temperature, and can be painted. However, wood requires repainting periodically.
Delaware: New Castle, Newark, Bear, Wilmington, Middletown
Maryland: Cecil County, Elkton
Pennsylvania: Chester County, Lincoln, Landenberg

