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Originally Posted by chwkreefer
I have a pretty good exhaust fan which creates negative air pressure to draw the cool 73 degree air into the lighting area. I have two fans blowing over the tank. Water overheating problems are not an issue for me and it's strictly due to the ambient temperature of the house. Bill
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I would say your fans are doing most of the work. Central AC does help, by lowering the air temp enabling it to pick up more heat before it is equalized, but on its own usually isn't enuf, the question that remains now is how much water are you losing a day due to evaporative cooling? I was able to keep my tank under 82 with fans but I was losing 5 gal a day on a 90 gal tank, with the chiller I only lose 2 gal a day so that is a difference of 3 gal a day less water vapor being pumped into my house and up to 100 gal less of RO / month I have to make.
Steve
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