Choosing Triple-Pane Windows in Cold Regions: That Moment Changed Everything — Is Your Contractor Right About "New Construction"?
https://www.golf-bookmarks.win/how-energy-star-can-make-your-renovation-cheaper-to-run-and-easier-to-plan
How triple-pane windows can cut heating losses and reduce moisture problems in cold climates The data suggests that upgrading windows in cold climates is one of the most visible ways to reduce heat loss