Strikingly warm in Sweden as well. Geothermal heat pump does work a few hours per day, anyway. It drops far below 10 degrees celsius at night and my house is no

Strikingly warm in Sweden as well. Geothermal heat pump does work a few hours per day, anyway. It drops far below 10 degrees celsius at night and my house is not modern enough to manage comfortable temperature with only waste energy as source.