In our old Starcraft 19CK, we usually used a space heater in cooler weather, and the furnace set to 60 as a back up. We pointed the heater at the air conditioner and turned tha fan on, and it did a great job of distributing the heat.
Geoff & Jill
& Sierra, the little white monster
2013 Ford F-150 XTR SC Ecoboost
2015 Jayco Jay Flight 24FBS