Yicha - On hot days, up to 87% of heat gain in our homes is through windows. On cold days, it's 40% of heat loss. Here's how we can fix that

Article: https://theconversation.com/on-hot-days-up-to-87-of-heat-gain-in-our-homes-is-through-windows-on-cold-days-its-40-of-heat-loss-heres-how-we-can-fix-that-212117