So last two days, highs have been mid 30s, and lows mid/upper 20s. I have furnace set to 68 and running two electric heaters. Full wall slide was extended and bedroom retracted. With furnace running, I could not feel any warm air on my hand inside the water compartment. The temp in the bay, however, was consistently 6 to 7 deg warmer than outside temp. With snow predicted for today, I pulled the full wall slide in last night. Low outside temp was in low 20s and currently it is 28. Water bay is only 3 deg warmer than outside. So if heat is ducted to the water bay, it doesnít work very well.
2015 Legacy 360RB with 2013 CRV toad. Retired USAF.