- Tried the pricier insulation myself—honestly couldn't tell much difference either. - Curious though, anyone actually tested these NASA-grade claims?...

Totally agree on the warranty thing—had a friend who thought he was covered for condensation, but turns out it was only under very specific conditions...

- Totally agree about thermal curtains, they're a lifesaver for big windows. - But have you tried cellular shades? Heard they're pretty effective too,...