You need fans.
If you are that worried about the noise, run all the fans off a power strip with a switch and just turn them off if company comes to visit.
Of course, if it's your mum you're worried about... :wtf:
stinkyattic Reviewed by stinkyattic on . fanless cabs? is it feasible? i'm looking at maybe 6x26w cfl's for veg cab; probably 4x54w T5HO bulbs for flower cab. lots of holes drilled for ventilation. what i'm really shooting for here is the ultimate in low-profile undetectable growing. low-odor strains. odor control in the box, and hopefully no fans; if i had to do fans i suppose i could get away with some nexus or yate-loon 120mm pc fans, and could run them as low as 5v, as i do in my PC, but no fans would be silent. of course the chances of Rating: 5