The following organizations are just of a few of the many that can provide additional information and resources pertaining to heating and ventilation solutions, regulations, codes and other issues.
Energy Star Program is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy that promotes energy efficient products and practices.
Home Ventilating Institute (HVI) which represents a wide range of home ventilating products manufactured by companies in the United States, Canada, Asia, and Europe.
NATE North American Technician Excellence.
