A 6" or 8" fan for this setup....diagram included.

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ProGroWannabe

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Hey farmers! I've always ran A/C in my rooms, but this new room needs a bit more stealth. So I've designed a somewhat different system than I'm used to. My issue is since I'm not used to running aircooled reflectors, I have no real experience with centrifugal fans. So how much heat can "x" amount of cfm really remove? Here's a diagram showing what I'm trying to accomplish. The duct size is 6" and it's flex-duct.

So what size Vortex would you buy for this to keep the lights decently cool?
 
Venting design
UNITEDGROOVES

UNITEDGROOVES

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Are you gonna be running 2 lights? Are you gonna be using Co2? I'm currently running a single 1000 with a 6" cool sun reflector hood.. I'm using a 6" Can Fan High Output.. Its 450 CFM & when I feel the top of the hood it's cold. Same with the air being pulled out is cold, this fan sucks the air out before it has a chance to get hot. And today was near 100 degrees and the room is still at 80 degrees. If you eliminate the turns in your ducting I'm sure you'll be in better shape.. Each turn cuts your power by at least 30%. Any way you can turn the hood so you don't have turns in the ducting?
 
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ProGroWannabe

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Thanks for the response UG! Yes, I'm gonna be running two lights. Eventually the room will be split into two sides ran on a flip-flop. I want to be able to cool both lights with one fan if possible.

Also yes, the rooms will be supplimented with CO2 at some point. The setup is quickly getting expensive. But if the CO2 isn't installed at start-up of the room, it will be installed soon thereafter.

As for the turns in the ducting, I'm pretty-sure the way it's shown above is with the fewest turns possible for the install. I WILL study it though at your suggestion and see what improvements I can make. Thanks!
 
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UNITEDGROOVES

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What up bro.. I'm also in the process of putting in another 1000 w as well, i'm in 12x8 room sealed with co2. I'll let you know in a few days if my one 6" can fan is enough for both (its for sure is good for 1 1k light). I'll also be using Tees to connect both lines together since the'll be side by side like yours and not in one line. I'm currently venting into the addict while sucking in cold air in from (window). Its best not to vent out and suck air in from the same source, you don't want to cool your lights down with the hot air that is being pushed out. Is there any way you can vent out to the opposite side of you intake, like the addict? So that you don't have to make the U turn, it is very important to keep the ducting as straight as possible. What is the total size of your room? It would help if you had a pic of the room.. If you're not using CO2 now it would be much easier to cool. Let me know and i'll see what I can come up with.. PEace
 
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ProGroWannabe

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I can't get a pic of the room tonight since it's a remote location, but I'll get one as soon as I can.

Unfortunately, I cannot run the outlet into the attic---this is a doublewide trailer with no real attic to speak of. Soooo what I'm hoping to do is run the outlet far enough away from the inlet so that the inlet is drawing "fresh" air. I can't say for sure if it's gonna work yet, but we'll find out.
 
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grizz

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PGW check out the hydrogen ice box heat exchanger, there relituve cheap or you can build one, if you can run cold enough water through it you can actually use the exaust air to cool the room, the ice box go for 150 at my grow store, they do work. Im talking about putting it on your light exaust if I lost you..
 
UNITEDGROOVES

UNITEDGROOVES

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What up PGW. I now have a 1000w & a 600w(until i get my 1k) side by side hooked up, and its still cold when touching the hood.. So If you get a 6" canfan High output i'm you should be ok, But with the amount of turns you have in your setup you might want to run 2 fans if you want to totally eliminate the use of an AC.. I still have a back up AC (window mount) but is mounted within the room & it only turns on if I want to keep it below 85 degrees the entire 12hr cycle, Without the AC the temp will end up getting as high as 85-87 by the end of 12hrs.. But when you hook up CO2 you'll be all good since it needs to be a bit hotter then. So until you hook up CO2 you might want to keep your temps a bit lower @ around high 70's to the lower 80's. I would give it a try with 1 fan, you might be able to pull it off, but if you improve your set up ie, with less turns in the ducting i'm sure you'll be able to cool the lights with 1 fan with no problem. Hope this helps..Peace
 
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ProGroWannabe

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Right on UG! Thanks bro. It just so happens that I found a used 8" Elicient for 125 bucks! The dude said that he guaranteed it to not be D.O.A. He said he'd return my money if it didn't work. Hell for 125 bucks for an 8" Elicient I didn't figure I could go wrong, so I bought it. I may regret it if it konks out on me early, but I'm gonna bet that there's a few years left in that puppy! It looked like it was in great shape. I'll let y'all know if she does the job once both sides are up and running.

Thanks again for the help guys!
 
UNITEDGROOVES

UNITEDGROOVES

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Damn, that is a good deal.. Yeah, with an 8" i'm sure you'll be able to take care of business.. paece!
 

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