> The more I look at it, the more I consider heat pump ACs to be a miracle in a box. They're a good default. They are! If you need heating and cooling, a heat

> The more I look at it, the more I consider heat pump ACs to be a miracle in a box. They're a good default. They are! If you need heating and cooling, a heat pump AC is fantastic. We just need to make building design more efficient so you need to run it less frequently. But look, even switching most existing heating/cooling HVACs to heat pump units would be fantastic. There's a lot to do.