silver back
Active Member
does anyone no of an air conditioning unit that does not need an external vent or any alternative ways of lowering temperatures because at present i have 2 600w air cooled lights 200mm inlet and extraction fans on a thermostat so they only come on when the temp gets critical and bottled co2 on doser so i have to have my aircon on all day wot needs to vent hot air out of the room and sucks all my lovely co2 out of the room does anybody else use co2 and wot r ur solutions to this problem