Ductless electric heater receives UL certification

(Sept. 5, 2012) --  RV Comfort Systems has received UL certification on its new ductless electric add-on heater for the Suburban NT 12, 16 and 20 gas furnaces, the company announced today. With this new ductless system, folding camper customers can enjoy the same gas or electric heat at the flip of a switch that people using larger RVs enjoy.