Derek Cole explains that UV light from sunlight stops mildew from growing on house exteriors. Sunny sides stay clean while shaded sides develop mildew. It's a free, chemical-free way to prevent the problem.
You can handle that with UV. Things cannot grow when UV is present. If you want to prove this point, look at the side of your house that, you know, the front, the side, the back, whichever side does not get sunlight. That is where mildew grows. Mildew cannot grow in the direct sunlight, right? So on the south side of the house you don't have that mildew growth. Whichever side is getting sunlight, you don't have mildew. Whichever side is not getting sunlight, you have mildew.
How to Prevent Mold and Odor in Your Air Conditioning System with UV Light #shorts
