Can't vent out window or into loft as in rental accommodation

[L3D]

Im using a 6" extraction and it is LOUD at full whack (Ac black acoustic ducting) - no hiding the noise through thin walls, As above You really need an oversized filter, fan and ducting to reduce the noise, im thinking about going 8-10" next time round.

 

When i last grew in a 5 x 5 many moons ago we used a 10 or 12" Rhino with speed controller and it was silent running at low speed.

 

maybe leave a radio or tv on in the room to drown it out a bit and wrap up the fan or box it up... You will find a way with help on here! Good luck!