Looks like heat pump clothes dryers (and hot water heaters) do exist http://www.greenbuildingadvisor.com/blogs/dept/guest-blogs/heat-pump-clothes-dryers http:/

Looks like heat pump clothes dryers (and hot water heaters) do exist http://www.greenbuildingadvisor.com/blogs/dept/guest-blogs/heat-pump-clothes-dryers http://www.greenbuildingadvisor.com/blogs/dept/guest-blogs/h... Also worth noting that dryers usually vent outdoors so they don't dump all the heat inside, where you'd then have to use the AC to remove it.