Yea so I'm debating an grow room, or grow box rather. I have a few places in mind, but I realized that before I can actually start my endeavor, I must first make sure it's a safe plan of action. So, I was curious about which methods are commonly , or even rarely, used to detect an apparatus such as this. I think a few thing's I'm primarily concerned with is... Heat Signatures. Satellite pictures scanning residential/rural/etc. "Fly-by" infrared camera at night. (It can get pretty hot where I currently reside... But at night time... I bet that box would just scream "look at me".. even with a fan. 90-95 Fahrenheit by day, 70-80 by night. I think it would take a solid hour or two to normalize the temperature upon sundown, assuming my cooling fan is slightly exquisite.) Smell. I've read, from these forums actually, that a Carbon Filter will do the trick. These babies appear to be roughly 50-120+ USD. Is there not a cheaper solution? Wiki says "This carbon is generally activated with a positive charge and is designed to attract negatively charged water[or air] contaminants". I can't think of any (chemically) equivalent items... Wouldn't a few car "incents" work if I moisturized them initially, and coated with some oil/wax? What would you add/remove to this list? And also, in what ways would you prevent the above issues? I would need something to cause the exterior of the box to appear cold, or room temperature. So I was debating using a water cooling system from a computer, and route the copper tubes through an "inner-layer" on the physical exterior of the physical box, then cover that with some wood or w/e... Or would standard housing insulation suffice? Even better, I debated using a mini-refrigerator(in conjunction with an exhaust fan). Would the air produced by a refrigerator's cooling unit cause health concerns to the plant? I'm aware fridges heat external air to cool internal, but if it's set to toggle based on outside-temperature, would that not fix everything? Also, are there any other thing's I should be concerned with, in regards to the law, assuming I go through with the grow box idea? Any help is greatly appreciated. I'd like to have a solid plan, before taking any action.