Company

Collectively, GRTI's principals have well over 75 years of experience in the GeoExchange industry.  Backgrounds include the areas of sales and marketing, installation, ground-loop engineering and system design, industry research, new product development and certified training.  GRTI's principals are industry pioneers and have participated in shaping the current direction of this industry through active leadership over the past 20+ years. 

Technology Commitment

GRTI strongly believes that all GeoExchange applications should be designed with the emphasis on simplicity and maintenance free operation.  We believe that the environmental aspects of this technology should be high priority.  We believe that the consumer is best served when all these are kept in perspective to the initial cost and the long-term operating cost.

GRTI's Experience

GRTI has conducted formation thermal conductivity testing worldwide and has accumulated well over 30,000 hours of collective data.  In the past 12 months, we have conducted over 200 separate tests.  We have worked directly and indirectly for both the public and private sectors.  We are proud of the fact that we have conducted tests and/or worked repeatedly for the majority of our clients.  GRTI has openly contributed raw data and first hand observations towards the development of industry (ASHRAE) recommended procedures.  GRTI constantly focuses on evaluating the process currently employed in the formation thermal conductivity test process and actively supports research that will lead to improvements and more accurate data collection.

GRTI has pioneered bore resistance testing to be able to quantify actual vertical bore capacities prior to system start-up.

GRTI has been directly involved with the ground-loop design for residential, light commercial and large commercial systems.  On special occasions, we have provided a turn-key, total mechanical design.  However, our core interest is to provide assistance to the mechanical engineer of record by offering assistance with a complete ground-loop design.

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Last modified: October 07, 2008