turbo2ltr
Well-known member
My panels are really dirty, and I can see I'm losing a few kwh a day. It hasn't rained here in a while. Should I just go up there with a hose and hose them off or is that a bad idea?
The flat roof is what makes it mandatory. My panels are mounted on my almost flat roof (about 4*). If I had frameless panels I could get away without cleaning, but as it is now I get up there a couple times a year and just wipe them down with a California duster when I see that panel production per panel starts varying a decent amount. Takes about 15 minutes. Doesn't get all the dirt off, but gets the bulk of it.KK6PD said:For me, it's mandatory, and I have a flat roof with 60 panels! It's all about the sun baby!
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