Good advice there—definitely smart to have a buffer. One thing I'd add is, if you're comfortable with it, try opening up a small section yourself firs...

I've tried mechanic gloves myself, and while they're definitely tougher than nitrile, I found them a bit too bulky for really precise tasks. Like you ...

Yeah, altitude definitely plays a role, but condensation usually points to humidity or ventilation issues too. Before swapping windows again, I'd chec...

Good point on insulation—I overlooked that myself initially. Before you commit to new windows, have you checked your existing seals and insulation tho...