External pumps really add that much heat?

[hillegom]

When I finish my new stand project it will have two of these fans.
http://ncix.com/products/index.php?s...ufacture=Gelid Solutions Ltd.
I read about them here on canreef, another member is using them as well. They have a thermal remote switch. From what I can remember the fan turns on at 22 deg at 1000rpm and ramps up from there to a max of 1500 rpm 12V, 58CFM, 12-25.5 dBA
Hopefully they will keep my cabinet cool

Edit: Paste this complete line as it reads into your browser
http://ncix.com/products/index.php?s...ufacture=Gelid Solutions Ltd.