Retrofitting Windows As Beneficial As High-Performance Replacements? - Windows, Cost-Effective Design

Retrofitting Windows As Beneficial As High-Performance Replacements?

Repairing a home’s older windows delivers similar energy benefits as compared to replacing them with high-performance windows, and it can be done at less cost, according to a new study from the Preservation Green Lab. “Saving Windows, Saving Money: Evaluating the Energy Performance of Window Retrofit and Replacement” was funded by the National Park Service’s National Center for Preservation Technology and Training.The study analyzed research regarding the performance of double hung windows and compared the relative energy, carbon, and cost savings of various choices in various climate zones. The report concludes that upgrading windows—specifically older, single-pane windows—with exterior storm windows and insulating shades can result in substantial energy savings in multiple climate zones, according to the National Trust for Historic Preservation. The study examined data f...

Full article: http://www.eco-structure.com/windows/retrofitting-windows...