Geothermal Boreholes, as commonly understood, refers to boreholes drilled to depths of 80m to 250m to harvest the absorbed solar heat stored in the outermost layer of the earth for use in Ground Source Heat Pumps (GSHP's). This is a misleading definition, because true geothermal heat harvesting would require the drilling of boreholes to much greater depths, to tap into the heat radiating from the molten core of our planet.
Synergy Boreholes and Systems Ltd. drills and equips boreholes and installs borehole arrays for GSHP's. We have done this for many years. We use only the best materials, e.g. individually factory tested and certificated PE100+, Crack Resistant Loops. We adhere to the latest industry standards.
In partnership with selected renewable energy companies we also offer the complete GSHP package. We do this with the most modern equipment. Our rotary hydraulic drills can drill to 250m. We use either mud flush, or air drilling techniques. With mud drilling we use automatic filtration / recycling units to keep mess and disruption on site to a minimum.
We are not providers of the cheapest borehole arrays.
It has been reliably demonstrated by independant Thermal Response Testing, that closed loop geothermal boreholes drilled by Synergy consistently have a thermal efficiency equal or better than that predicted.
This is down to our drilling equipment and best practice techniques.
Excessive use of power during the drilling operation, often employed to speed up the drilling process and reduce the cost of borehole drilling, can and often does, reduce the heat harvesting capability of the boreholes by up to 50%.
Therefore, a cheaper drilling quote can be often end up very much more expensive in terms of the borehole metres needed to achieve the same result as correctly drilled boreholes, and/or may lead to the GSHP installation not producing the savings expected. (more...)
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