Articles
Top Ten Reasons to Repair or Restore Wood Windows. Window Preservation Alliance
Windows: Energy Efficiency Facts and Myths (2004) By Shanon Peterson Wasielewski
What Replacement Windows Can’t Replace: The Real Cost of Removing Historic Windows, Walter Sedovic & Jill H. Gotthelf (PDF
Saving Windows, Saving Money: Evaluating the Energy Performance of Window Retrofit and Replacement (2016). Produced by the Preservation Green Lab.