This $2 Sheet Behind Your Curtains Insulates Like Double-Pane Glass. Why Doesn't Anyone Tell You?

Apocalypse Survival

Your curtains stop about 12% of window heat loss. Here's the $2 trick that makes them block nearly 40%. This video exposes the infrared physics behind why standard curtains fail and how a discount store emergency blanket reflects 96% of radiant heat. Learn why mountain rescue teams wrap hypothermia