Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts January 31, 2013 at 12:02 pm in reply to: Adding window tint (Las Vegas) increases Energy Use #4243 Glenn SpattParticipant I made a mistake in my question. The U-factor did not change, the SHGC changed from .65 to .50 Author Posts Viewing 1 post (of 1 total)