ETERA is synonymous with longevity and carefree living – it can have a lifespan of up to 30 years. Longevity is also an ecological advantage, as it helps to reduce the frequency of replacing the entire installation and, consequently, the use of scarce materials.
Groundwater pumped and returned to the aquifer from boreholes next to the building is a very suitable heat source for the heat pump, due to its constant temperature of between 7 and 12°C. A water permit must be obtained for pumping groundwater and the water must be chemically analysed before work begins.