[MeganC]

Looks to me like there’s some business opportunities for people who want to make products to shield homes and businesses from thermal imaging and police surveillance.

[Svartalfiar]

Looks to me like there’s some business opportunities for people who want to make products to shield homes and businesses from thermal imaging and police surveillance.

Your house is already 'shielded' from thermal imaging. All they can see is the outside of your house, and which parts are hotter or colder (IR is a great way to find the air leaks where you have poor insulation), and can't see through glass at all.