Also how much energy it uses. They mention in the comments that the test used 6 kWh (heat pump) and 8 kWh (PTC) to heat up, so pumping out an average of 9-12 kW given that it was a 40 minute test. By comparison, the heat pump I use to heat my entire house with maxes out at 3 kW of energy input. Obviously it's not heating from -30º to room temperature, but it's also heating an entire house and not just a car.
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