Just brought my 05 Newmar Kountry Starhome today. While getting used to it and having the heat come on there is a considerable amount of fan noise being generated from under the refer where the heate...
Lot of times fan noise is due to debris/nest/mud dabbers in fan squirrel cage and just needs cleaned out.
It being a ducted unit (floor registers) access to furnace is via cover on outside of rig. (just above compartment storage door....just to right of fridge lower vent cover----has the intake/exhaust ports in cover-----curbside of rv)