True, sealing gaps makes a huge difference. A couple years back, I went through something similar—busy street, constant traffic noise. I started with ...

Couldn't agree more with this point. I've seen folks drop serious cash on triple-pane windows, only to skimp on sealing, and then wonder why they're s...

Yeah, altitude definitely plays a role—air density drops as you go higher, meaning less insulation from the outside cold. Your double-pane upgrade is ...