... Environmentally friendly,Intelligent,Economic 12v or 24v Diesel or Gosline For car,truck,van,boat,RV,caravan,etc. Technical SpecificationsThermal Power (W ... in order to heats and frost removing3. Applicable scope A) Truck, engineering truck, electric vehicle. B) Medium bus, commercial vehicle. C) ... , yacht. 24V Diesel air heaters similar with webasto heating for car truck van boat RV caravan motorhome