Mobile Home for Sale. It may be old but but this house has new double pain windows, carpet, extensive insulation through out. The roof has 3" high density spray urathane foam, exterior walls have 1" blue dow with 1.5" spray foam over that.There is close to 5,000 in insulation and windows. You can almost heat this house with beer farts! All plumbing is inside and will not freeze at 55 degrees inside with 20 below outsid...