PTC heating element

  • Standard PTC heaters are the cheapest way to heat the interior of an electric car. These are practically electrical resistors, which get warm as you let current pass through them. In terms of their functional principle, they are practically like a hair dryer. Of course, they are a little more specific in electric cars and are designed for more power than a hair dryer. Due to their higher power, they are also operated with the battery voltage.

    PTC heaters are cheap and relatively simple, but they are also the less efficient way to heat your interior. That is why it is always advisable to choose a heat pump when you have this choice. In addition, PTC heaters are often used to heat the cooling circuits of batteries. So that in winter you can bring the battery to its temperature with the cooling water. Here they are used because they don't need a lot of room and are very compact.

    This enables a significantly better charging curve and also a longer range than if you let the battery heat up from its own waste heat.


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