What Size Air Conditioner To Cool 1200watts?

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bongrippinbob

Well-Known Member
I have a 1200watt vert setup that I am going to get an a/c for. I have about 400watts in veg as well, and with the fans and everything its probably like 2,000 watts running in there.

I hear a 1000watt HPS puts off about 4000 btu's. So if I am running 1200watts of HPS, plus fans, and lights in my veg space, how many btu's of cooling will I need?

The cab is 6'x6'x6' and is in a 11'x10'x8' room. The room stays about 10degrees above my house temps, and the cab stays about 10degrees warmer than that. I would like to cool the room about 10degrees. How many btu's do you think I need? I was looking at 10,000 btu models. Do you think this will be enough in a place with outdoor temps up in the 100s?

Thanks,
Bob
 
streetlegal

streetlegal

Well-Known Member
bongrippinbob said:
I have a 1200watt vert setup that I am going to get an a/c for. I have about 400watts in veg as well, and with the fans and everything its probably like 2,000 watts running in there.

I hear a 1000watt HPS puts off about 4000 btu's. So if I am running 1200watts of HPS, plus fans, and lights in my veg space, how many btu's of cooling will I need?

The cab is 6'x6'x6' and is in a 11'x10'x8' room. The room stays about 10degrees above my house temps, and the cab stays about 10degrees warmer than that. I would like to cool the room about 10degrees. How many btu's do you think I need? I was looking at 10,000 btu models. Do you think this will be enough in a place with outdoor temps up in the 100s?

Thanks,
Bob
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hey bob.. id say get the biggest u can afford,.. i was using 12000 then upgraded to 18000.. more then i need for 2x1000's but works out fine cos i dont need to run it at full capacity which runs ur mafuggin bill up.. i only have to run it fairly low which means that loud very churning noise (the condensor i think) that it makes wen its really sending out the cold air happens rarely..
Btw, my rooms sealed Co2, cooltubes with 800cfm thru them..if that makes a diff..
Depending on ambient temps my room usually runs at 32degrees CELCIUS and my AC brings it into 27-29 very easily
 
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bongrippinbob

Well-Known Member
Thanks for the reply.

I'm still kind of contemplating getting an a/c unit or getting some cool tubes for my lights. I was thinking the a/c unit woud bring the temps down more than air cooling the lights. My cab was at 99 degrees when I came home tonight. I have never had it get that high. I have been working with the same setup for the past 8months to a year and never had this problem. Well at least not this bad.

I am hoping that moving my fan that exhausts the entire bedroom will help to cool the room down. And I am going to duct my central a/c straight into the cab. If that doesn't bring them down, then I am going to get the a/c or air cool the lights.
 
streetlegal

streetlegal

Well-Known Member
bongrippinbob said:
Thanks for the reply.

I'm still kind of contemplating getting an a/c unit or getting some cool tubes for my lights. I was thinking the a/c unit woud bring the temps down more than air cooling the lights. My cab was at 99 degrees when I came home tonight. I have never had it get that high. I have been working with the same setup for the past 8months to a year and never had this problem. Well at least not this bad.

I am hoping that moving my fan that exhausts the entire bedroom will help to cool the room down. And I am going to duct my central a/c straight into the cab. If that doesn't bring them down, then I am going to get the a/c or air cool the lights.
Click to expand...
cooltube that shit up bob, geez, makes a diff man, i can touch my tubes and leave my hand there..
ive never used nothin but tubes and i dont know how ppl used to grow without em
 
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bongrippinbob

Well-Known Member
I had an air cooled reflector in my old cab. I could let the plants touch the glass without burning. I guess I may try that first. I plan on water cooling it here soon enough, so I would need the cool tubes anyway. How many degrees do you think I could drop the temps in the cab and the room if I used a cool tube with like 450cfm and exhausted it all outside? Do you think I could keep the room at ambient temp? That would keep my cab like 10 degrees above the temps of my apt and I can handle that. Right now it is like 25degrees warmer in the cab than my house.
 
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bongrippinbob

Well-Known Member
Any reasons for that number or did it just sound good? I'm not saying you're wrong, I'd just like to know where you got that number from.
 
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