1. Gonna have to increase air flow...hot out the top...cool in from the bottom. Leave the door open if needed.

2. Mylar reflects heat..as well as light. You may need to switch to flat white paint.
Dutch Pimp Reviewed by Dutch Pimp on . temprature troubles!! hello every1 i have a "cabinet set up" 37 inches wide by 15 with a height of 75 inches. Great stuff for a couple of rich with T.H.C plants! 250w hps lamp reflective mylar " all round" seperate "air box which houses 2 carbon filters.. intake and out take. 2x 4inch "100mm" bathroom extractor fans rated at 80m3/h HERE'S MY PROBLEM! :mad: within 5 minutes of powering up the closet reaches 105.F or 40.c Rating: 5