[shusson]

Yes modern day a/c is usually a heatpump. I’ve noticed a lot of people misunderstanding heat pumps, and thinking it’s some sort of replacement for A/C. Or that heat pumps are some new tech.

[SkyPuncher]

The key difference in modern systems is the variable speed control and two way operating.

[doikor]

And different gas/liquid allowing operation in much colder environments.