New consumer and inspection article: Window Gas Fills

InterNACHI has partnered with the U.S. Department of Energy and the EPA to train inspectors in energy audits so that homeowners can take advantage of the federal energy-efficiency initiatives that will be offering billions of dollars for green retrofits.  One cost-effective window choice for homeowners is insulated glass units (or IGUs).  Learn about how they work and why argon and krypton are used to fill the space between the panes in these windows in our new article on Window Gas Fills.