1. Mar 11, 2010 #1
   Cedar Falls

   fmsill Well-Known ReefKeeper

   445

   Cedar Falls

   Ratings:

   +6 / 0 / -0

   
   need some advice on cooling fans? I built a canopy so i can vent hot air out a window behind my aquarium. I put two 8 inch fans in the window to suck hot air out which are rated at 250 cfm a piece. I figure i will need at least a couple blowing fresh air into the hood from the basement. I was looking at coralvue smart fans rated at something like 68 to 112 cfm, They are variable speed. Im gonna hook all of them to a thermostat.  should i just buy a fan that runs a constant speed or buy the smart fans which are the same price?
   

    
2. Mar 11, 2010 #2
   

   Gered Experienced Reefkeeper

   1,970

   Ratings:

   +2 / 0 / -0

   I would just regular constant speed fans. What if something happens with the "smart" part of the other fans and it does not kick on? I say just keep it simple and go with constant speed fans.

    

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