The American Architectural Manufacturers Association is the source of performance standards, product certification and education programs for the fenestration industry.

The National Fenestration Rating Council is a non-profit organization created by the window, door, and skylight industry. It is comprised of manufacturers, suppliers, builders, architects and designers, specifiers, code officials, utilities and government agencies. NFRC provides consistent and accurate information to measure and compare the energy performance of window, door, or skylight products. The NFRC label rates U-factor. Solar heat or gain (SHGC), visible light transmittance (VT), and air infiltration.

ENERGY STAR was created to help consumers easily identify products, homes, and building that save energy and money, and help protect the environment. As the government-backed, trusted symbol for energy efficiency, the ENERGY STAR label identifies highly efficient products and designates superior energy performance in homes and buildings. ENERGY STAR qualified windows today are, on average, twice as efficient as the average window made 10 years ago and can help reduce your energy bills significantly.

Products that are recognized as the Most Efficient of ENERGY STAR in 2015 meets rigorous energy efficiency performance levels set in the US. Our CompositWood windows have been awarded the ENERGY STAR Most Efficient mark for 2015.

The National Fenestration Rating Council is a non-profit organization created by the window, door, and skylight industry. It is comprised of manufacturers, suppliers, builders, architects and designers, specifiers, code officials, utilities and government agencies. NFRC provides consistent and accurate information to measure and compare the energy performance of window, door, or skylight products. The NFRC label rates U-factor. Solar heat or gain (SHGC), visible light transmittance (VT), and air infiltration.

Vinyl Window & Door Institute, The Society of Plastics Industry, Inc. is the trade association representing the third largest manufacturing industry in the United States, organized to meet the diverse needs of the plastics industry supply chain, including processors, machinery and equipment manufactures, mold markers, material suppliers and end-market manufacturers.