Seminar 35 -- New Era in Direct Exchange Geothermal: Advancements, Advantages, Issues and Future Potential

This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.
This seminar will cover a brief history of direct exchange (DX) geothermal along with the recent advancements to the technology that has begun a new era in direct exchange geothermal. Direct exchange systems have several design & installation advantages over the alternative water-source geothermal technologies. Learn the advantages of this leading technology that differentiates the contractor from the rest of the competition. It will address common myths that surround the 70+ year old DX geothermal designs, as well as ongoing research in DGX commercial hot water systems and the use of natural refrigerants like carbon dioxide (CO2).
1. A New Era in Direct Exchange Geothermal: Advancements, Advantages, and Common Myths, and Future Potential
Bill Buschur, Total Green Mfg, Saint Henry, OH
2. Heating Cooling Solutions Using the Natural Refrigerant Carbon Dioxide
Marc Portnoff, Thar Energy, LLC, Pittsburgh, PA
3. Solutions Using the Natural Refrigerant Carbon Dioxide
Parham Eslami Nejad, Research Scientist at CanmetENERGY-Varennes, Varennes, QC, Canada