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150w cab heat problems! :(

VaporBros

Member
Hey all, i finally got my 4" vortex hooked up but it doesnt seem to be helping. I have it so its exhausting all the air out into my closet. I cut a passive intake very close to the ground on the front door. Its 8" long by 3" tall. The temps stay at around 88 degrees. Do i need to make the intake hole a little bigger? It seems weird to me that a 150w is so hard to cool...My ideal temp would be 78-80.
 

Pirate

Give Me Liberty or Give Me Death !!
Veteran
You might try making the intake larger. Whats the air temperatures outside the door and how big is the closet?

One thing that I do that might help you is, turning my lights on at night instead of the day. My lights come on at 6pm and go off at 6am for bloom and 12 noon for veg. This helps. But I am running 9000 watts so its way harder to deal with the heat.
 

Headcase

Member
what pirate said. you need a bigger intake.

Alternatively, you could get a long piece of dryer ducting, and route it so that it's exhausting out the bottom of the closet door.
 

VaporBros

Member
the hot air is just getting blown out above my hanging clothes in the closet. I guess that's my problem. Im going to see how hot it gets if i redirect the hot air out of the closet, if that doesn't help then ill cut my intake a little bigger. Thanks for all the help guys, ill be back soon with results
 

Pirate

Give Me Liberty or Give Me Death !!
Veteran
the hot air is just getting blown out above my hanging clothes in the closet. I guess that's my problem. Im going to see how hot it gets if i redirect the hot air out of the closet, if that doesn't help then ill cut my intake a little bigger. Thanks for all the help guys, ill be back soon with results
YO !!
Ya have to evacuate the air to a totally different space like an attic, crawlspace or out a window. If it stays in the same room or worst yet....closet, your just recirculating it. Cuttting a bigger whole will not help after the info you just gave up. I grew in a closet once and tapped my exhaust into the heater vent that ran up and out the roof.

By the way, If you have clothes in the same closet as your grow they will smell like pot. Now you might not smell it because you will grow immune to it...........But EVERYONE else will. Just a heads up on that one.
 

VaporBros

Member
Thanks man, i just dont know what im gonna do because i have my filter outside of the cab. The filter ius acting like the exhaust rather than the intake. So now i have to figure out where to put the filter/exhaust and it cant be in my closet.......im ready to give up. Problem after problem
 

Headcase

Member
i was thinking something like this
cab.jpg


1 is the cab
2 is the filter
3 is the fan next to the door

use ducting to connect.
 

VaporBros

Member
well the filter only has 1 flange. I was thinking od keeping the filter inside the closet but making some sort of ducting that goes under my door and staight to the passive intake. So the fan will be sucking in fresh air from my room rather than my closet.

Like so:
 

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vape....are you growing in a tent, or just in a walk-in closet?.....I use a DR80, used to grow in my walk-in, and have noticed it is much easier for me to control temps inside the tent compared to inside the closet
 

FreezerBoy

Was blind but now IC Puckbunny in Training
Veteran
The lamp isn't the problem. He's trying to cool with heated air. Not to give anyone a heart attack but, his intake seems large enough (did he just say that?). Enlarging it simply means more hot air inside the cab.

He's got to remove either the exhaust or the intake from the closet. I don't believe sucking through the crack will do it. Not to mention the dust and vermin this could draw in.

What kind of door do you have on the closet? Sliding? Accordion? Remove and stack the door under your bed and hang a cheap replacement you can cut and attach flanges to at will.
 

Entropic

New member
Here's an easy way to cool the cab:
Get a 2L or larger bottle, fill with water and freeze, then put in the grow box, preferably with a fan blowing on them. Each one should reduce the temp in the cab a few degrees depending on the size of the cab.
 

7th1der

New member
You say "Cab in a Closet"?

You say "Cab in a Closet"?

I have my fair share of heat issues at the moment vegging with CFLs and exhausting with a 70 cfm PC Fan. Temps stay a few degrees lower than yours because I keep the closet cracked and the window open. Just purchased a 197 CFM S&P fan and trying to decide on a carbon scrubber now.

The window is a few inches to the left in this picture
Cabinetoutsideside.jpg

and the cab sits in the closet like this
cabinclosetwithdooropen.jpg
 

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