Welcome to iRV2. I'd give the propane system consideration. It is very efficient. The best thing about it is the annual maintenance is zero. There is no maintenance. It is new to Newmar so there may not be much experience, over time. For me, I will not use the furnace much. So it comes down to your comfort level of how much will you use the furnace (when it is too cold for the heat pumps). For me, if the new propane system came standard, I'd take it.
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
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