There are many advantages of vinyl windows compared to other framing materials. Unlike wood, Kensington High Performance Products (HPP) vinyl windows and doors will never rot or require endless repainting. And unlike aluminum, Kensington's vinyl windows and doors will never pit or flake. Kensington HPP replacement vinyl windows and doors are made from the highest quality vinyl and require little to no maintenance. In fact, an occasional washing will keep them looking like new for years.

Kensington HPP is based in Vandergrift, PA, which offers the added appeal of being a local manufacturer. Orange Energy Solutions offers Kingston 300 Series and Huntington 501 Series windows from Kensington HPP.