First off welcome to the forum!
I Never heard of that feature being used on others RV's. I think it would only work if you had a heating element in the AC unit, which is a feature on some AC units,but if your AC is ducted it cant have a heating element in it. That is unless they started to make them that way now but I doubt it. Edited by: fixit5561
Brian, Tamara, Abigail
2003 Lincoln Navigator Ultimate Edition 4X4
2004 Crossroads Cruiser CT30RL