How do I handle the summer heat?

Yeah, I think a 4 inch inline would work alot better than a 6" booster. Are you sucking cool are into the room??.....Out here we are in the high 90's all summer and 100-110 at the highest. That's why I only grow outdoors in the summer. way too costly to keep a grow room cool.

I used to have heat problems every summer. My solution: cool tube.

Not sure if it will work on your setup but it did for me. Its cheaper than AC, and allows you to move the light closer. I have a 600w hps and a 430cfm and I can touch the glass even after 12hours.

Just my 2 cents

I know cool tubes are the best way to keep temps down, but they are expensive and not practical to my setup. the air being sucked in to my grow area seems to be varying from 77-84 degrees. The answer is pretty simple, I need more cool air coming in and more hot air being sucked out. It's up to me to figure out how to do it. I might trash all my girls except the one that is almost done flowering, (1 is 7weeks flower the others have just started to really look like flowering cannabis) let her finish, and then redo the closet and wait to start my next grow until after the outdoor temps get back in the 80s. I just hate the thought of an empty garden .

u came so far! make it work bro. where theres a will, theres a way. have poop bud is better then none!!! do what u gotta do even if it means blowing cold air out ur lungs!!

im having a pretty bad heating problem as well, my flower room is in the garage and in light hours it gets up to 89 and in the dark it stays at the low 80's high 70's. i'm on kinda a budget so i would rather not get an A/C unit, but how much do you guys think it would hep if i got another inline fan for exhaust because currently my inline fan runs straight through the 1000w to from one vent in the tent to another, b i could attach the exhaust ducting to a vent in the garage because i think the hot exhaust just circulating in the garage is whats making it really hot along with the dehumidifier pumping hot air into the room, but with the exhaust i could turn the dehumidifier way down and help the room cool off that way also. And the garage doesn't get very hot without the room even on hot summer days so i think if i start pumping the hot air outside the intake would only be taking in low 80 degree air max in the middle of the hottest days, so in my vision would keep the room from ever breaking 84. But i was wondering how much you guys think this will really bring down the temperature or if it will only make a couple degree temp difference, and if i will still end up needing an A/C system. any help would be appreciated, thanks.

Originally Posted by georgyboy

Yeah it's a 6" booster/duct fan. It's rated at 160 free air flow and 240 booster cfm. I've been leaving the zipper open on my closet. I'm going to move up to an 8" intake. would it be better to have one 8" or two 4" intakes?

thats the problem right there. you need a inline fan not a booster fan. mine is 450 cfm. i got sliding closet doors i keep them closed and have the ac on in the bedroom with the door closed temps stay 70 in the room 76 in the closet with the light on. its a 400w with a 10k btu ac.

Originally Posted by BUDies

im having a pretty bad heating problem as well, my flower room is in the garage and in light hours it gets up to 89 and in the dark it stays at the low 80's high 70's. i'm on kinda a budget so i would rather not get an A/C unit, but how much do you guys think it would hep if i got another inline fan for exhaust because currently my inline fan runs straight through the 1000w to from one vent in the tent to another, b i could attach the exhaust ducting to a vent in the garage because i think the hot exhaust just circulating in the garage is whats making it really hot along with the dehumidifier pumping hot air into the room, but with the exhaust i could turn the dehumidifier way down and help the room cool off that way also. And the garage doesn't get very hot without the room even on hot summer days so i think if i start pumping the hot air outside the intake would only be taking in low 80 degree air max in the middle of the hottest days, so in my vision would keep the room from ever breaking 84. But i was wondering how much you guys think this will really bring down the temperature or if it will only make a couple degree temp difference, and if i will still end up needing an A/C system. any help would be appreciated, thanks.

i read the first sentence and stopped. if the air outside the room is hot, you simply need a ac. the air around the grow needs to be cool in order for it to be cool inside the grow.

and your venting into the same room its in.. needs to be vented somewhere else.

Originally Posted by georgyboy

I know cool tubes are the best way to keep temps down, but they are expensive and not practical to my setup. the air being sucked in to my grow area seems to be varying from 77-84 degrees. The answer is pretty simple, I need more cool air coming in and more hot air being sucked out. It's up to me to figure out how to do it. I might trash all my girls except the one that is almost done flowering, (1 is 7weeks flower the others have just started to really look like flowering cannabis) let her finish, and then redo the closet and wait to start my next grow until after the outdoor temps get back in the 80s. I just hate the thought of an empty garden .

not sure where you live, i bought a cooltube for 70 bucks and a 10k btw ac for 50 bucks off craigslist that still basically looked brand new and works fantastically the cooltube was brand new. you would also need a 6 inch carbon fan and filter for odor and ventilation and trash that booster fan. i paid 80 a piece for my fan and filter on ebay for cheap ones until i can get better stuff