PVT and earth probe regeneration
Another common application of PVT collectors is the regeneration of ground probes and ground registers. They prevent the ground from cooling down, increase the efficiency of the heat pump and minimise the length of the borehole heat exchanger. The larger the borehole heat exchanger field, the more important its regeneration.

Residential and commercial development Bahnhofstrasse Wil
In Wil, a new residential and commercial development with bicycle parking is being built right next to the railway station. The heating and cooling energy is provided by a geothermal probe field regenerated with PVT collectors.
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Überbauung Wydäcker, Zürich
In Zurich, the Wydäcker development goes into operation: 4 apartment buildings with regenerated geothermal probe fields.
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