Thread: How many times per minute air exchange
View Single Post
Old 11-21-2008, 08:29 PM   #2
GreenDragon2k
Joint Rolling Specialist
 
GreenDragon2k's Avatar
 
Join Date: Aug 2007
Location: 420 High St
Posts: 3,556
Thanks: 2,765
Thanked 8,063 Times in 2,657 Posts
GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.GreenDragon2k is the light at the end of the tunnel.
permalink
CFM requirement depends more on lighting than the size of your space. So instead of calculating by size and times per minute... Just divide your wattage in half and you'll get the approxamate required CFM...

So if you've got a 400w HPS then you'll need at least 200 CFM of exhaust.
__________________
"Herb is the healing of a nation, alcohol is the destruction. " ~ Bob Marley
GreenDragon2k is offline   Reply With Quote
The Following 9 Users Say Thank You to GreenDragon2k For This Useful Post:
analog (11-21-2008), Dankinbank (11-22-2008), EMj (11-22-2008), EZMark (11-22-2008), Freakshow68 (11-22-2008), HellRaiZeR (11-22-2008), newgrowerNY (11-22-2008), smokiethedawg (11-22-2008), tripps (11-22-2008)