Installing a portable 12 volt diesel heater into a caravan or camper trailer, ready for winter! - YouTube
RV Diesel Heater, RV Diesel Heating Systems- VVKB
VEVOR 27296 BTU Diesel Air Heater 8 KW Diesel Heater 10 L Tank Air Heater with LCD Monitor for Boat Bus RV and Trailer,12-Volt ZCJRQ12V8KWYJXS01V0 - The Home Depot