The ground shakes as driller Sami Manninen drills a few hundred metre deep borehole for the installation of a geothermal heat pump at a detached house in Saarela, Oulu. “Heating such a large house with electricity has proven expensive,” says Markus Taumberger, who bought the house a few years ago with his wife Henna Taumberger.
HS in English
Thousands switch to geothermal heat
Next winter, the house will be heated with a retrofit water-circulated underfloor heating system, with the hot water provided by a geothermal heat pump that recovers affordable heat from the ground with a geothermal collector.