Q: Can low-E/argon gas be put in a window when the seal is broken, instead of replacing the entire window? A: Let’s start by clarifying the purpose of low-E and argon gas. Low-E (low-emissivity) ...

High-efficiency furnaces and programmable thermostats can't help you much if winter seeps in everywhere there's a view. Luckily, Wired's How-To Wiki offers a 101 course in weatherproofing your windows ...