With a properly designed house your roof overhangs should already take care of that: https://images.squarespace-cdn.com/content/v1/5e5e91c81d669b146a6c675e/1585

With a properly designed house your roof overhangs should already take care of that: https://images.squarespace-cdn.com/content/v1/5e5e91c81d669b146a6c675e/1585305534870-7FVINGH21CBIMM34YYFW/overheating.jpg https://images.squarespace-cdn.com/content/v1/5e5e91c81d669b... https://www.house-energy.com/images/Overhang.gif https://www.house-energy.com/images/Overhang.gif I feel like we design houses like we design cars and many other modern things, form over function and fix the problems by adding a ton of overcomplicated technologies. If you have huge openings and no overhangs I'd go for something like that: https://www.youtube.com/watch?v=iPNMp6pMJjk https://www.youtube.com/watch?v=iPNMp6pMJjk