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3.1 General Information
The given required area for geothermal heat pumps
is related to average ground conditions (Soil, clay).
The required collector size and therefore the area
has to be increased for poor grounds (gravel).
Contact your IDM-partner for further consultation.
A pump trial run for 48 hours at the end of February
and a water analysis is recommended for the use of
groundwater.
Following criteria decides which the suitable Heat
source system is:
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Is enough ground or surface water available?
Is the ground or surface water temperature also
during the winter above 8°C?
Is the ground or surface water quality sufficient
enough?
Is enough space for a horizontal collector availa-
ble?
Is a bore hole as a result of the available space re-
quired?
The different heat source systems are described on
the following pages.
In various countries the use of geother-
mal heat has to be permitted by the wa-
ter right authority. A corresponding re-
quest has to be made in time.
3. Heat source systems
