Back to the drawing board .Maybe another source of insulation ?? .or put the insulation on the outside of the tent !! Just a few suggestions I don't know the circumstances .
yea its never ending! i run a completely sealed tent, with CO2 and COB's...extract only comes on if it goes above 29°C to cool it back down...dehumidifier keeps the humidity down to where i want it...got the heater to get it up to temperature...but it was like 5°C in my loft so the tent was at 14-15°C and wouldnt get up any higher...so i wacked some mineral wool insulation over the top, sides and back of the tent leaving the door free to be opened and it did the job, got my temps up to 25/25°C but now the humidity has dropped massively...no idea why as it was sitting at a nice 60-65% RH before...i can only assume the insulation ive used is really hygroscopic and is absorbing any moisture through the walls of the tent which is really odd...gonna have to leave a few wet towels hanging to try and up the humidity a bit!