The heat pump is common in some parts of the US, almost unknown in others. You don’t often find heat pumps at work in places with cold winters, but they’re increasingly popular in warmer climates like those on the West Coast, the Southwest, and right here in Florida.
But even with the popularity of heat pumps in Lake Butler, FL and elsewhere in North Central Florida, many homeowners are not sure how they do what they do. I.e. “How does something that looks like an air conditioner and acts like an air conditioner also provide heating when needed?”