>

I’m in Wisconsin and my cold weather heat pump cut my winter power bill in half. The oil industry can kiss my butt on both sides.
Nice, these just became standard building code for new construction single family homes in Washington state. >

They basically have built in AC which this state is sorely lacking. >

That's funny that you phrase that that way. I've always thought of them as A/C that can run backwards and provide heat. >

Californian. They're ACs with a heater in my mind, too. >

Eastern WA.  Same.  A/C with benefits.