hi bud, got to give my 2cents worth. first make sure that you have enough room top to bottom. what if you got a truck to paint???them insulate it after u wire it. then sheet rock it. heats very preious you'll need all you can get. i painted out of a barn,no heat made a stall out of plastic but i did have an explosion proof fan. i painted there for 4yrs. jobs came out **** !!!!! lights i got 12at home depot 8 on top one in every corner. keep them on. good luck bud i'll help ya anytime !!