second hand fan, need answers +rep for educated answers

Discussion in 'Indoor Marijuana Growing' started by Xx_SyNDrOMe_xX, Jan 25, 2009.

  1. i bought a second hand fan for $50 an its 485 watts, but doesnt say anything about cfm.. its a beast of a fan, n pumps out air.

    would any 1 have an idea of the cfmof this fan?

    if so


    ... my rooms reaching 95celcius +, u think if i run this for 15mins on 30mins off it will be good? or is it too big, my room is 2.5mtr x 3mtr x 3.2mtr high.... its reaching these temps without plants n lights, im adding 1k of lights n 8 plants.. please help
     
  2. Looking at some vortex fan ratings right now and a 12 incher that pushes 1140 CFM is 400 watts so I would imagine yours would be pushing anywhere from 1000-1300 CFM.

    http://www.plantlighting.com/Vortex-12-inch-1140-CFM-High-Power-Inline-Fan-D_1368.html

    Fan might be a bit of overkill but it sounds like you got it at a pretty cheap price. I'd probably run it at 30 minutes on and 30 minutes off. Be sure to get a smaller oscillating fan to help move air around too.

    95 degrees (I'm guessing you meant Fahrenheit since Celsius would be over 200F) is pretty hot for a room with no lights in it so you may have to put a small a/c in there if you are going to be using a 1000 watter.
     
  3. i might sell it n purchase a small one as my grow room is only 2.5mtr x 3mtr x 3.2mtr high an 1140cfm is way too big, the prob is that its peek summer here so if i cant get temps down i might have to wait a few months till it cools down
     
  4. Buy a Vortex like the user above mentioned or a Can-Fan like I run with a router speed control. Just do not be fooled by CFM ratings in lesser quality fans. The above mentioned are top notch.
     

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