We have a 5500 watt Onan in our 5th wheel under the bedroom and it is quiet no noise issues for us. I was a little sceptical about it being under there but its quiet but the bedroom A/C is the loud part in ours.
2014 Palomino Columbus 3650TH
435AH 12V VMax Charge Tanks, 520 watt Monocrystilline Solar Array, Morningstar MPPT TS-60 CC,Morningstar Remote,Cotek True Sine Wave Inverter,Cotek Remote Controller,50amp Progressive Hardwire Surge Protector
2015 Dodge 3500 6.7L 4X4
2011 CanAm Commander XT 1000