What size of water pump?

Al B. Fuct said:

If you have a window aircon unit mounted through the wall of the tent, it will handle temp control by itself. However, it will dump waste heat out its other end into the room

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Thanks for the good information.

The air conditioner unit is actually mounted in the window with the vents sticking in through the tent and will dump the heat outside. Exhaust from the light and room is going to get ventilated out of the tent, into a charcoal filter and released above the A/C at the top of the window. I am making a special box to fit around the window like that dutch guy in that awesome grow vid.

Do you see any problems with pushing the tent up against the window and having the A/C stick in?

Do you see any problems with pushing the tent up against the window and having the A/C stick in?

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nope, sounds fine!