Installing heat pumps would provide cooling and make heating more efficient, paying for itself, and preventing deaths from cold weather, which is deadlier than

Installing heat pumps would provide cooling and make heating more efficient, paying for itself, and preventing deaths from cold weather, which is deadlier than hot weather: https://www.sciencedaily.com/releases/2015/05/150520193831.htm https://www.sciencedaily.com/releases/2015/05/150520193831.h...