I like the idea of not having to clean better with the gutterguard. The problem seems to be the increased wattage. The PF13 is the one to use. I got samples in and I truly believe it would be a better performer because it takes the wattage down versus up like the gutterguard. The strands are so small and dense. The problem is the maintenance issue. The tiny might would be a pain to take apart monthly. But the guys that have used it are having tremendous success.