These boreholes are used for the installation of geothermal systems that can recover the natural heat from the ground in order to heat or cool buildings 

Small diameter drilling can be done with a top hammer. 

Larger diameter drilling will be done with DTH hammers. 

Generally, small diameter casing will be removed from the ground while the larger diameter casings will remain in the soil.

Drillstar products have become The Driller’s Choice for geothermal drilling operations.