npub1fky3rp8gk9pczlqtkv2zszth7w65kg66hw7u5f0wjaa9ng27ennsjxy8en (npub1fky…y8en) from what I understood using heatpumps for heating rather than just cooling was an issue, but I really can't wrap my head around it tbh
most likely it's a regional thing, I just heard it from a lone youtuber doing youtoobs