Indeed, the heat pump is a significant investment. My point, however, is that you can start addressing 75-80% of CO2 emissions before you get to that point. Ed

Indeed, the heat pump is a significant investment. My point, however, is that you can start addressing 75-80% of CO2 emissions before you get to that point. Edit: all of these things are expensive and require strong leadership, but strong leadership is what the original comment was talking about.