Forced air furnaces in RV are always noisy, in homes they are much quieter.
The Atwood has a small squirrel gage fan and in order to move air the rpm has to go up.
And yes at least they keep you warm. How better the insulation how less they will run.
I noticed the difference with a enclosed underbelly.
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2014 Ram 1500 CrewCab 4x4 5.7 Hemi 3.92 Rear and Air Lift 1000
2005 Jayco Jay Feather LGT - 29Y GVWR-7000 lbs.
Dexter Axle Lift 4-9/16" - installed with sub-frame.
Pro Series 1200 lbs. WDH with Double Sway Bar.
Champion 3100/2800 watt Inverter/Generator-Onboard Solar Power
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