Geothermal Services, Inc. (GSI)

GSI started in 1993 as a division of Craig Test Boring Co., Inc., a leading geotechnical, environmental and soils engineering firm. Since then, it has expanded its capabilities, personnel and scope to become one of the leading earth heat exchanger installers in the Northeast, having installed over 3,500,000 feet of vertical ground loop as well as horizontal, slinky and pond loops.

GSI's Mission Statement:

To promote GeoExchange Technology by installing and assisting with the design of cost-effective earth heat exchangers to support geothermal heat pump systems. We will do this in a highly professional and ethical manner, always keeping our client’s best interest as our highest priority.