A heat pump can be thought of as an air conditioner working in reverse, taking heat from outside the vehicle and moving it inside the vehicle to warm the interior.
Will it be "free" at the dealerships? Given that I could add enough range for most work days with just 10 minutes of charging at a nearby dealership, I'd not really need a home charger. Of course, southern California has quite a few Porsche dealerships, and will surely have many of the...