https://www.pv-magazine.com/2021/12/06/cost-optimal-solutions-for-residential-solar-powered-heat-pumps-in-cold-climates-isolated-areas/ A U.S.-Swedish research group has investigated the complex economic relationship between PV and heat pumps in cold climates under four different levels of electrification. It found that, compared to propane, solar heat pumps can reduce reduce costs by up to…
