U-Factor, SHGC, Air Leakage, The Only Window Ratings You Should Care About
Interstate 6800 Triple-Pane vs Premium Brands Like Pella, Andersen, Marvin, and Others
If you’re shopping windows in New Jersey, you’ll hear a lot of marketing words, “energy efficient,” “premium glass,” “advanced seals,” “architectural grade.” None of that matters until you check three numbers that actually predict how the window will perform in your home:
