Have a heat pump in my 2015 CC and love it. It distributes the heat throughout the camper much better than the fireplace. Works good down to about 40 deg. or so. Have not used the furnace much by having the heat pump. Get it, you won't regret it.
2015 GMC Denali 3500 4X4 Duramax
2015 Cedar Creek 36CKTS