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BabyHughie
Member
Running 10k and you weren't thinking heat would be a problem 
U crazy fool!
A few points...
Are you aircooling the lights? If you cooltube the lights, and get the air COLD before it gets suckes into lights then it will do wonders for your temps. That alone could drop your temps 10F or MORE if the incoming air is cool enough. Seriously aircooling your lights will do wonders!
Ive never used an intake fan, don't see the need. PASSIVE INTAKE! I would probably hook up all 3 fans to exhaust. And if not that I would at least flip it and have 2 exhaust and one intake.
What are the temps of the incoming air? If your bringing in air that is too warm then no amount of air exchange is gonna help you.
And good lord with 36K BTUs of A/C I would think you would be fine without doing anything!
U crazy fool!A few points...
Are you aircooling the lights? If you cooltube the lights, and get the air COLD before it gets suckes into lights then it will do wonders for your temps. That alone could drop your temps 10F or MORE if the incoming air is cool enough. Seriously aircooling your lights will do wonders!
Ive never used an intake fan, don't see the need. PASSIVE INTAKE! I would probably hook up all 3 fans to exhaust. And if not that I would at least flip it and have 2 exhaust and one intake.
What are the temps of the incoming air? If your bringing in air that is too warm then no amount of air exchange is gonna help you.
And good lord with 36K BTUs of A/C I would think you would be fine without doing anything!
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BabyHughie
Member
Toddicus Maximu said:
yeah I feel you on the massive AC thing. Damn global warming man!
Well think about it, if you are sucking out a shitload of air, the same amount of air HAS to be replaced. Thats just the way it works. So if you have enough holes (AKA passive intakes) then thats exactly what happens.
If you can cool down the temps of the incoming air, it will in turn cool down the temps in yoru grow room (but you already knew that). So perhaps you could get a seperate A/C for the room you are drawing air from? Or are you drawing air from outdoors?
Bigger room = AC is not as efficient as would be in the smaller room you mentioned. Maybe thats what's goin on.
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BabyHughie
Member
NP
So where are you pulling air in from, and what are the temps of that area?
So where are you pulling air in from, and what are the temps of that area?
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BabyHughie
Member
Nah, not the A/Cs (althought I like how you got them hooked up) the fans, where are your intake fans pulling air into the grow from? Or are you talking about the A/Cs when you said intake fans?
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BabyHughie said:
oh, sorry no i have two A/C's and two intake and one exhaust....well my intakes are 16'' ducting, and come from the side of the house/vent...but i only have them on during light hours, which is at night...so its not really bringing in warm temps...it has a few times...but not enough to consider it my problem....
Just a thought...
What's your exhaust system like and how is it controlled? I'm thinking you're just sucking out all the cold air if you're running the exhaust fans while the AC is on...
Might wanna air cool those lights via a closed system and just seal the room with some CO2 supplimentation...at least the AC would stay in the room that way and the air cooled hoods would remove alot of the heat before it gets into the room.
What were the temps like the last time you ran this setup?
What's your exhaust system like and how is it controlled? I'm thinking you're just sucking out all the cold air if you're running the exhaust fans while the AC is on...
Might wanna air cool those lights via a closed system and just seal the room with some CO2 supplimentation...at least the AC would stay in the room that way and the air cooled hoods would remove alot of the heat before it gets into the room.
What were the temps like the last time you ran this setup?
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BabyHughie
Member
MTF-Sandman said:
I was thinking the same thing. I noticed when I sealed up my room the A/C did a FAR better job.
When you are venting the room, its half defeating the A/C. Not really giving the A/C a chance to actually cool the room down when your just sucking out all the air and bring in warmer air.
But you say youve tried it and it did not work. I guess aircooling is your only option.
That or run less light. Shit you have 10k, why not run 7 or 8 right now and when temps cool down run all 10. GOOD LORD 7k is a shitload of light!
I think 2 lines of cool tubes each with their own closed exhaust system would do the job. At each end put a big inline fan and maybe every few feet put a duct fan inside your ducting. This would allow you to run c02 and have a much cooler growroom, probably giving you better yields off 10k of light....damn thats a lot 
-Funk
-Funk
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Soo...that pretty much leaves you the option of air cooling your lights or getting more AC in there. You could always just air cool some of the lights to get the temps down to the magic 85f since you're running CO2.
Question: If the room is completely sealed, how is the exhaust fan doing anything? There's got to be a place to get fresh air in if you're exhausting...might be part of the reason it's not doing much good for the temps.
You could also run alternating lights also and have them switch every 2 hours...it'll probably take a couple more days to mature, but it should save on heat and electricity.
Question: If the room is completely sealed, how is the exhaust fan doing anything? There's got to be a place to get fresh air in if you're exhausting...might be part of the reason it's not doing much good for the temps.
You could also run alternating lights also and have them switch every 2 hours...it'll probably take a couple more days to mature, but it should save on heat and electricity.
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