Episode
25

Geo-Exchange Explained with Geosource

December 8, 2021
|
Duration:
2182327
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In This Episode:

Join energy coaches David Arkell and John Pooley with guests Darynne Hagen and Mike DeWeerd from Geosource for an episode about what geo-exchange is and how its implemented.  This episode features why an organization would want to transition to a geo-exchange system, challenges with the technology, what an ideal geo-exchange candidate looks like, and more.

Highlights

  • Introduction to Geo-Exchange: Geo-exchange systems transfer heat between the ground and buildings for heating and cooling, leveraging stable underground temperatures for improved efficiency.
  • Operational Benefits: These systems reduce electricity demand and fossil fuel use, offering efficiency advantages, especially during temperature extremes like peak summer or winter.
  • Cost and ROI: While installation costs are high, geo-exchange systems provide long-term savings through reduced operational expenses. Ownership models, such as utility partnerships, can ease upfront investment challenges.
  • Implementation Challenges: Factors like space constraints, drilling feasibility, and geological conditions can complicate installation. Retrofitting in urban areas with limited surface space poses additional challenges.
  • Future Prospects: Geo-exchange systems are scalable for various applications, from residential buildings to manufacturing. Early-stage design integration and careful planning can make them a powerful tool for achieving sustainability goals.
  • Key Insights

  • Sustainability and Net Zero Goals: Geo-exchange supports Net Zero objectives by eliminating fossil fuel dependency in building HVAC systems and significantly reducing carbon emissions throughout its lifecycle.
  • Importance of Early Integration: Incorporating geo-exchange at the beginning of a project’s design phase ensures cost-effectiveness and maximizes system efficiency, avoiding expensive retrofits later.
  • Technology for Urban and Retrofit Projects: Innovations such as angled boreholes make geo-exchange feasible in space-constrained urban settings and suitable for retrofitting existing buildings.
  • Economic Models for Adoption: Geosource’s utility-based model reduces the upfront cost burden on developers by treating geo-exchange as a service, facilitating broader adoption.
  • Growing Importance of Energy Efficiency: With increasing energy demands and grid pressures, geo-exchange offers a consistent, energy-efficient solution that alleviates grid stress and handles seasonal demand fluctuations effectively.
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