Many have posted about V10 heat on the passengers side. We purchased a V10 based MH and DW is experiencing the hot feet syndrome. Winnebago did a pretty good job with heat shielding under the mo...
Also check your doghouse for being fitted right and the gasket being in good shape. Someone before me had mis-installed the doghouse on my old Dodge van class B. They trapped some of the carpet between the doghouse and the edge of the body, resulting in some excess noise and heat in the cab.