Yet another one for you guys to help out. I have a flower room with 3 hps lights. 1 is 600w, 1000w, n the new sunlight double ended 1000w. I have a tent on the side in the room with a mars hydro 400w to veg. Also the closest in the room is also a veg room with t5 8 bulb fixture. It gets hot in there obviously. The room was fine until I got the double ended. Since then it's gotten real hot. Upwards of 90+ degrees. Mind u I bought a 12000 btu portable ac. Piece of junk. Room stays at 88-91 with that portable ac. I was hoping has anyone here have experience with a diy window unit being inside the room with a housing in back of the ac to exhaust the Hott air into the attic through a hole in the ceiling. Will this work? Thanks for your time n help.