Fig. 1: Annual temperature level at various ground depths

INNOVATIVE HEATING, COOLING AND STORAGE USING GROUND-SOURCE ENERGY TECHNICAL INFORMATION 827600/1EN 1 PRINCIPLES 1.3 Overview of Ground-Source Energy In geology “shallow geothermal”/ground-source means the area from the earth’s surface to a few hundred metres deep (usually approx. 400 m). This is the area which can be tapped into with ground-source collectors, energy piles, helix and […]

Read More