A Beginner's Guide to Solar Heat Reduction with Window Film

https://wikibuilding.org/index.php?title=A_Beginner%27s_Guide_to_Solar_Heat_Reduction_with_Window_Film

Understanding how sunlight affects indoor spaces is a first step toward making a home or a small office more comfortable. You feel it on your skin when a sunbeam slides across a chair in the afternoon, and you notice the glare on a computer screen