Hoping to move far enough south to be able to rely on a heat pump

My goal is to move far enough south that I could handle temperature control with an electric heat pump.  I currently live along the northern border. There is no way a heat pump could keep up with demand. Last winter, the temperature dropped to twenty-six below zero and stayed there for nearly two weeks.  I relied on the operation of my boiler system for eight months. I’ve never even considered the installation of a whole-home cooling system. Air conditioning simply isn’t necessary in this area. I have a portable window air conditioner but don’t use it all that often.  The summer weather is typically rainy and chilly. I’m tired of the long winters and short summers. I just hate spending so much money on heating bills and devoting so much time to shoveling snow. I would love to step outside without first bundling up in heavy boots, layers of sweaters, wool coat, hat and gloves.  I’d like to be able to head to work in the morning without first spending a half an hour brushing the snow off the car, scraping the ice off the windshield and letting the heater run. A heat pump provides both heating and cooling capability and is super energy efficient. Rather than burn fossil fuels and creating a whole bunch of greenhouse gas emissions and dangerous combustion byproducts, the system simply transfers heat from one place to another.  The process is clean, safe and economical, but only effective when the temperature remains above freezing. My goal is to move to an area with mild enough weather that a heat pump would be all I need to handle my comfort.

electric heat pump