That is awesome to hear. I noticed that mine does fine sub 0, but when it is moist and around 1-4 degrees Celsius a lot of ice forms and it needs the resistive

That is awesome to hear. I noticed that mine does fine sub 0, but when it is moist and around 1-4 degrees Celsius a lot of ice forms and it needs the resistive heating. I didn’t see it reverse cycle yet. But I have air-air with one outside unit connected to three inside units. It’s a Mitsubishi Heavy from 2023.