Green energy efficient window Questions

At what point does U value really matter?

— John Henderson Houston, MO

Answered by Edward Wright on November 5, 2014

What is the proper construction of a storm window?

— Dan Scandinavia, WI

Answered by Michael Holcomb on August 13, 2013

What is the best window treatment material for a home with radiant heat?

— Chris Beebe Carbondale, CO

Answered by Sean Lintow Sr on December 31, 2012