A heat pump in an old building of 1895? On the "Day of the Open Heating Cellar" Jörg Zeumer shows in Rendsburg how to do it – and shares his experiences with interested people as one of seven households in the Rendsburg urban area on 21 November.
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A heat pump in an old building of 1895? On the "Day of the Open Heating Cellar" Jörg Zeumer shows in Rendsburg how to do it – and shares his experiences with interested people as one of seven households in the Rendsburg urban area on 21 November.