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jumper501 t1_j89bjel wrote

There is actually a logical reason for this.

R22 heat pumps were not good below freezing Temps. R22 isn't allowed to be installed anymore though.

R410 systems are much better at pulling heat from the air and can run effectively at much lower temperatures.

So moat of your stories about heatpumps being crap, come from people who are only familiar with r22 systems.