Hi the roof above my grow room is ventilated as per building codes to ensure circulation of air.

Does anybody think this would be a bad place for me to suck air from for my air intake?, there is continuous ventilation along both sides of the roof so there should be ample intake I think.

Any thoughts?

Thanks for looking

be sure to use a filter when sucking air from a questionable source to avoid sucking in mites and bugs and all around filth. now im assumnig this isnt air that other people rely on right? dont put a vacuum pump up to a building shared air conditioning system =) people will complain -- lol and with a heat gun you would be the only room NOT hot.

it'll be hot air up there in summer. why not vent the other way, from grow room to attic? keep a steady flow of conditioned air.

might want to pass the exhaust through some carbon if you've got a bunch growing.

Thanks

No it's all my attic.

I have a timber frame building and didn't fancy making a hole through and chancing letting any moisture into the fabric of the building. The trouble with venting into the attic is fistly I was a little concerned about the roof getting warm and showing up on thermal imaging and also as the air will be humid I would be introducing moist air into my wooden roofspace which is not a good idea.

Thanks for the help though, maybe mI'll stick with making a hole in the wall for intake and for my exhast vent down a drain.

I wouldn't worry about the thermal imaging but the humid air in the attic could be an issue. Plus you'd have to filter it.

This question depends a fair amount on your climate. If the environment is kind enough you could draw from the roof instead of the outside of the house.

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Hi

Thanks for this, well my climate is kind enough at the moment but I suppose not so come the summer.

Why wouldn't you worry about the thermal imaging? is this not much of a problem unless you have a huge amount of heat, am I giving it too much weighting, if there wasn't much chance of thermal imaging picking up the heat then I would vent straight outta the roof instead of using the drain as it would be much simpler.

I have same worries. Attic grow, dont know where to exhaust hot air, concerned about thermal imaging. Sewer vent pipe runs right through it, could run a tee of it and exhaust filtered air through it but concerned about heat, dont know what to do.