How is it Still Hot in the Room?

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blizake54

Active Member
k i knocked out all my dresser drawers and made a grow room in there. i have 6 18 watt 2700k's going and 3 6500k 23 watts running in there. i got a 120mm intake fan and 2 80 mm exhaust fans running. how is it still 80+ deg in there/!?!?
 
AgentWax

AgentWax

Member
unless u have that ghetto grow box sealed, the fans aren't gonna do shit. just like a computer tower, u need to have a bit of a vacuum for the fans to do any work. u make sure to have the exhaust at the top and intake at the bottom? ya know, the whole warm air rises deal?
 
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blizake54

Active Member
yep yep i got that
AgentWax said:
unless u have that ghetto grow box sealed, the fans aren't gonna do shit. just like a computer tower, u need to have a bit of a vacuum for the fans to do any work. u make sure to have the exhaust at the top and intake at the bottom? ya know, the whole warm air rises deal?
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AgentWax

AgentWax

Member
well, i guess the other option would be to decrease your numbers of lights.....u have 9 now, right? that might be a little much unless you are growing in the closet from Chronicles of Narnia. lol. is it just your basic 5foot tall dresser? these are CFL's u are using, right?
 
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blizake54

Active Member
AgentWax said:
well, i guess the other option would be to decrease your numbers of lights.....u have 9 now, right? that might be a little much unless you are growing in the closet from Chronicles of Narnia. lol. is it just your basic 5foot tall dresser? these are CFL's u are using, right?
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its 4 ft tall 3 wide
 
AgentWax

AgentWax

Member
4'X3'? so its like, what, 18" deep or so? allowing 6" for the lightbulbs and mounts, and 8" for the pots, you have a maximum height potential of 34" for each plant? 9 bulbs seems a little excessive for such a small grow area.... methinks u might be getting a little too cramped in there. how many plants do u have?

Serapis brings up a good point too about ambient temp. that small area wont get any cooler than the surrounding room. you might be better off knocking a side panel out of that thing and sticking a cheapo GALAXY box fan right up to it to suck the hot air out.....unless you are going for a complete stealth op.
 
AgentWax

AgentWax

Member
blizake54 said:
dont have a thermometer but for sure ik its way more then 80
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More than 80 ambient temp? well, that is your answer right there. the fans WILL NOT BY ANY MEANS cool the air going through them, so unless you have a small AC unit, your interior temp will remain at, if not higher, than the main room's ambient temp
 
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LetsRollABlunt

Member
AgentWax said:
well, i guess the other option would be to decrease your numbers of lights.....u have 9 now, right? that might be a little much unless you are growing in the closet from Chronicles of Narnia. lol. is it just your basic 5foot tall dresser? these are CFL's u are using, right?
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Hahaha. That was great.
 
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pokesalotasmot

Well-Known Member
AgentWax said:
More than 80 ambient temp? well, that is your answer right there. the fans WILL NOT BY ANY MEANS cool the air going through them, so unless you have a small AC unit, your interior temp will remain at, if not higher, than the main room's ambient temp
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My thoughts exactly. You need to have air flow in and out of the room that your grow cab is in. Otherwise you are still just recirculating the same hot stale air.
 
iNFID3L

iNFID3L

Well-Known Member
blizake54 said:
k i knocked out all my dresser drawers and made a grow room in there. i have 6 18 watt 2700k's going and 3 6500k 23 watts running in there. i got a 120mm intake fan and 2 80 mm exhaust fans running. how is it still 80+ deg in there/!?!?
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Surely you dont need an answer ?

When its so blindingly obvious !
 
anotherdaymusic

anotherdaymusic

Well-Known Member
Hey, what up man? did you ever resolve this issue? i just built a dresser as well.. and have a 2 foot t5 in it with 4 bulbs...its wayyyy hot... ive got two fans blowing on the bulbs and an exhaust fan 177cfm... shiiiit dude? its staying in between 91-92 for highs.. and i have my cfls like 8 inches away or so.. i think i just have too much light... should have went with led's for my veg box
 
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