- rugpjūčio 30, 2016
In 2006, when the first residents moved into Sonnenstraße 99-105 in Düsseldorf, this complex was considered the largest geothermal heated housing development in North Rhine Westphalia. A total of 1800 geothermal probes heat the 50 privately financed apartments which are divided into two to four room units. Heat requirement EnEV standard.
Apart from the probe field, the heat pump and heat recovery from six hot water tanks à 950 l, the heat supply consists of an additional divided tank and high-performance heat exchanger for each apartment. This 54 kW decentralised plate heat exchanger ensures the hot water supply for kitchen and bath.