Ive been using Fanjets for the last 4 years, much prefer them to pencil jets, like Smudger said better coverage,
much better rinsing, as for noise, i don't even notice any noise.
I run the pump on full chat, and find fan jets pants for rinsing.
The water is just too ‘light’ on the glass to rinse off bits of dirt.
With 3mm pencils it creates big, fat, heavy water that rinses crap quicker.
It’s like drizzle vs monsoon.
I’ve tried to make fans work, but for me, i just find them frustrating for rinsing. And again, that’s at full pump speed.
Each to their own, there’s no right or wrong, except, well, fan jets are wrong