designing a new room need help

so i have been sitting on this project for some time and need to get it going asap. as with all posts like this i am on a tight ass budget given i know i need an A/C unit(cannot do compressor outside), insulated tyvek sheets, and a new dedicated circuit and some rewiring. because of this i need to find a design that will allow me to have good temp control on a budget cooling system. cannot afford to go to led or i would go with a high end led. what i have already beside some shitty mars leds is 2 600w hid's and it would be cheapest to imo to just add 2 more and shoot for a 40-50sqrft canopy with 4x600w air colled with a wall unit. i did have my eye on the de cmh 630w and would like that but i see no way to cool these effectively for cheap. i saw a video and they added 20 degres to a tent where a 600w hps added 9 which is about my experience 10 degres or so in my basement. in a small 8x8 space i fear 4 630cmh would be impossible to cool without a mini split

backround info.
i used this space before with a tent and in the open with no A/C just relying on the cool basement. in summer i hovered at 95 which was a problem i want to avoid. this was in a more open basement no reflective walls to, and now i would be enclosing the space to the canopy size and using reflection for a true sealed room. i also didin't use my air cooling for the hoods before when it was an open space, but they are air cooled.

my plan atm i am looking for input on
4 x 600w hid lights air cooled out of the room into adjacent room in same basement, but seperated completely. env controller for dehumidifyer and window unit A/C(ik the downsides and the rigging involved) cut into wall and sealed into the wall. i cannot do a mini split it is out of question but if anyone thinks they have btu input on wall unit please chime in. this is in an 8x8 space with 7x7 being canopy. i was not gonna vent room unless someone thinks i need to and explains why. i was hoping the hoods and the a./c be enough. also do you think tyvek insterad of drywayy is enough insulation to allow me to vent into adjacent room

Air cooled hoods cost about 10 percent in light transmission and only remove about 30% of the heat. Only use air cooled hoods as a last resort IMO.

Without aircooled hoods one can probably cool that room with 2400 watts easily with a 1 ton AC.

If not venting then you need to add CO2 so if using a co2 generator off your homes natural gas or propane you would want a little more tonnage to account for that. Bottled Co2 won't add heat but you will be hauling tanks.

Also make sure your dehuey will restart after a power outage if you intend to plug it into a controller.

Also note that in the winter a window unit will freeze up the coil and not cool. So you want to leave a means to change over to venting cold air into the room or go with a minisplit that has low ambient operation.

If plugging the window AC into a controller you may need a power relay to allow it to run on it's own circuit. The dehuey and AC on one circuit may be more than the breaker can hold.

Renfro said:

Also note that in the winter a window unit will freeze up the coil and not cool. So you want to leave a means to change over to venting cold air into the room or go with a minisplit that has low ambient operation.

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i think you misunderstood. i am using the window unit on an interior wall. it will be pulling from the room the air cooled hoods vent to. i already know i lose 10% light, but i can put it closer to. either way this is partially why i would like the cmh lights, but unless anyone has done so themselves i don't think i can cool radiant lights without aircooling using a window unit in an 8x8 room. this is why i made the thread. if anyone has a non led solution i am open, until then all i got is what i am proposing
is that cmh in your journal?

Renfro said:

If plugging the window AC into a controller you may need a power relay to allow it to run on it's own circuit. The dehuey and AC on one circuit may be more than the breaker can hold.

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i have a family memeber who is an electrician, he is doing the wiring needs. i am more figuring out the lighting and temp control needs without buying a mini split. his whole job is to make sure it is wired and juice and all. i want the whloe grow room on it's own stuff. not ones, except mybe fans and shit

outliergenetix said:

i think you misunderstood. i am using the window unit on an interior wall. it will be pulling from the room the air cooled hoods vent to. i already know i lose 10% light, but i can put it closer to. either way this is partially why i would like the cmh lights, but unless anyone has done so themselves i don't think i can cool radiant lights without aircooling using a window unit in an 8x8 room. this is why i made the thread. if anyone has a non led solution i am open, until then all i got is what i am proposing
is that cmh in your journal?

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You will likely burn up that AC unit as that backside will get hotter than hades.

If you used a portable dual hose AC unit and vented the heat into one room and drew air from another that would work. You will need to deal with the condensate as well.

outliergenetix said:

is that cmh in your journal?

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I have only one 315 watt CMH right now, vertical between two rows. I ordered 2 nanolux 1kW DE CMH lights to test next run. I do have AC units though, 2 x 4 ton.

Renfro said:

You will likely burn up that AC unit as that backside will get hotter than hades.

If you used a portable dual hose AC unit and vented the heat into one room and drew air from another that would work. You will need to deal with the condensate as well.

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why would it get hotter than out the window in summer? i have heard those ones you speak of don't cool anythign and a window unit is a better bet. you just have to box off the back and use vent hoses.
similar to this, i have a better example bookmarked at home tho by an hvac guy.

Well FWIW I have a 1 ton portable in my veg room, it cools 3 x 1000 watters no problem.

I once had a window unit setup with the back into a small closet and that closet vented outside with a blower. It burnt out because it was about 140 degrees in there even with a 8 inch vortex blowing hot air out. As long as you can keep the back side below 110F then it will probably work ok.

I also have a couple 1 ton portables in my home, they work great. You gotta get good ones though, get what you pay for.

I have seen a fella setup a minisplit and put the condenser unit in the garage. Venting the garage up through the ceiling and into the attic by opening an access hatch and letting the hot air rise.. They did end up with winter time condensation in the attic because of all the warm humid air going up there in the winter. Recipe for black mold. Worked good in the summer though.

Renfro said:

I have seen a fella setup a minisplit and put the condenser unit in the garage. Venting the garage up through the ceiling and into the attic cold. They did end up with winter time condensation in the attic because of all the warm humid air going up there in the winter. Recipe for black mold. Worked good in the summer though.

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i can only alter the basement is my issue. i have it partioned into 3 seperate rooms already and a bathroom. so think of it that way. i can only those areas. nothing is going outside at all. the breaker is in the bathroom so all the stuff i need to do is confined to basement. fyi the third room is where the water ehater an al is. so i have one big opeen room the heater room the flower room the veg room and the bathroom. that is how it is currently walled off. the largest space is open spec when you walk down and where i vent into so it goes upstairs and what not. filtered of course

Well the heat has to go somewhere. I am at a loss. Perhaps someone else has an idea I haven't thought of.

Tight budget, and sealed room don’t go together well.

You say I can’t ....but no reasons given
Why can’t you have a compressor outside? Why can’t you have a mini Split?

I would just vent it , till you got some $$$ to do it right .

BigHornBuds said:

Tight budget, and sealed room don’t go together well.

You say I can’t ....but no reasons given
Why can’t you have a compressor outside? Why can’t you have a mini Split?

I would just vent it , till you got some $$$ to do it right .

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mostly my handyman skills and the inability to have an hvac guy over without mucho hassle, unless said compressor could go in the basement in ventilated seperate area,
regardless tho i think i am taking a 180 given someones advice i got from a person trust. i am gonna forgo the HiD's i already have and instead of adding to em i am gonna invest in some qb288 v2 and do like a 4x8 with 4 of those. it opens up allot of possibilites regarding flexibility and moving it into a cpl closet if need be. they are pricey so i'm prolyy gonna buy 2 for my 3x5 closet and see how they work if i like em i'll order 2 more and make a 4x8 panel of em in the insulated room downstairs. thanks for everyone's input tho