About Us


Terra-Therma Drilling was founded in Kamloops, BC in March 2006.

Since that time, we have grown to encompass a wide range of capabilities and expertise. Pairing with installers and engineers we are proud to have completed jobs ranging from small residential systems to commercial and industrial multi-unit systems. With our focus on quality and efficiency we have been exceeding clients’ expectations throughout the province.

Greg Sleasman, owner-operator of Terra-Therma Drilling, is a licensed waterwell driller, certified by the Ministry of the Environment. He has over 10 years experience working with drill rigs in a variety of applications. He is also a member of the British Columbia Groundwater Association.

Vancouver And Area Geothermal Drilling Company - Terra-Therma