I went for the $$$ using cheap Mexican labor it ran me $1200 for the Materials and the build cost me $2000.00 so It only cost $3200 to build from scratch. Then all the Accessories they add up quick... I had them build it out of OSB Flower room are these dimensions. Ceilings are 9 1/2 width is a little small to late now but it is 8 1/2 and length is 17 1/2 feet. My Veg room is a nice size it is 8 Ft Wide and 10 Ft Long W/ Higher Ceilings. The investment was worth it I have 2 Ac's running 3HPS 1000's and a 430 in Veg With a T5 CO2 Anther AC in Veg and my Electric bill is only $227.00. I think the sealed is keeping everything cool with out having to strain on all equip...