When suddenly no warm water comes out of the tap when washing your hands, Martin Kabel doesn’t worry too much at first. After all, this has happened before. Then the 34-year-old climbed down into the boiler room of his apartment building in Waldperlach to switch the groundwater heat pump off and on again – and it got warm. But this time the restart does not bring the desired success. Martin Kabel informs the caretaker, already with worry lines on his forehead. And these intensify when he and the other apartment owners learn, after several visits from tradespeople, why their heating with groundwater heat pumps is no longer working. The associated well has dried up – because of the lowered groundwater.
When the lack of water paralyzes the heat pump – Munich
