Geothermal Preconditioning for High-Performance Ventilation

March 11th | Denver & Boulder, CO

Geothermal preconditioning for high-efficiency heat recovery ventilation, widely used in European construction, is now making its way to North America. In this presentation hosted by 475.Supply, we’ll introduce the essentials of the Brink ERV/HRV System—the highest-efficiency system available in North America, as certified by the Passive House Institute—and the newly available GHT geothermal heat exchanger. Together, these systems provide geothermal preconditioning for incoming air, delivering year-round comfort while supporting high-performance, low-energy, and healthy homes. The innovative GHT brine defroster functions as a geothermal heat exchanger, preventing freezing during cold winters and cooling incoming air in hot summers to ensure optimal ventilation system performance. As airtight construction moves closer to Passive House standards, this presentation emphasizes the vital role of balanced, filtered, and continuous mechanical ventilation systems in improving air quality, reducing energy consumption, and enhancing comfort and health for occupants.

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Boulder, CO (March 11, Lunchtime)

Date / Time: Tuesday, March 11, 2025 from 1pm-2pm

Location: NoBo Boulder Library - Community Room (2nd Floor)

4500 13th Street, Boulder, CO 80304

Denver, CO (March 11, Evening)

Date / Time: Tuesday, March 11, 2025 from 5pm-7pm

Location: Shape Architecture Studio

750 Pennsylvania St, Denver, CO 80203