In the class of vehicle heaters which plug in to vehicle almost all of the units available do not get warm enough for people to recommend them, especially for usage as a car heater. This unit works for defrosting or defogging your windshield, or being a way before the actual heater kicks inside, to warm up your car a bit. We wouldn't recommend utilizing it for replacement or a substitute for a vehicle heater that is broken — it simply isn't .
With all that said, the Ferryone Portable Car Heater could be your ideal unit we’ve found for defrosting and temporary heating. The Ferryone isn’t hard to set up — simply plug it then flip the switch on the side to either “fan” or “heat. ” On the “heat” setting, it takes about one minute to begin blowing air. The Ferryone comprises a detachable holder which permits you to guide the heat up or down.