A Ground Source Heating Unit uses energy from the ground that remains rather constant, even in colder areas in New Zealand.
This energy from the ground is transferred from the earth to the water/ glycol mix that runs through pipes that are buried under the ground. They can be buried within trenches or boreholes drilled down into the ground. This pre-heated fluid runs to and through a Heatpump Unit that exchanges the energy to the heating systems that will then be used directly for potable hot water and space heating/cooling.
A Ground Source Heatpump has pipes that can also be placed in water such as a lake or river if this is available nearby the dwelling to be built.
This Ground Source Unit and the boreholes sizing and depth is all part of the calculation that takes place as part of the Heat Retention Calculation has been carried out.
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