You've kind of exposed me, I'm not in the US, my question was in the first person but it was more that I'm curious as to the causes of what the commenters report. You may be right about the area just being HCoL, though.
Heat pumps are still a luxury product here that you only see on new homes or well financed gut remodels, which I think is the problem. As market is largely price insensitive individuals here, there’s no downward pressure.