cool.. wot u growing at the moment? i got super lemon haze going and they looking ok but the cold has defo got 2 them, ive sorted the room now wiv a oil filed heater and its working ok.. dont no about the lights being on at nite the helicopter will pick up the heat off the lamps.. but the 5" hole in the ceiling into the wardrobe sounds good, use it as a lung room, in the summer get a aircon unit in there 2 pump in cold air vise versa