Sweden used to have very cheap electricity. That's why there are so many houses with electric radiators. Far more expensive now. That is why so many houses her

Sweden used to have very cheap electricity. That's why there are so many houses with electric radiators. Far more expensive now. That is why so many houses here now have air-to-air heat pumps. That is by far the cheapest way to improve heating in an old house with only electric radiators and no existing water heat pipes.