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Story perspectives

Denver Harnesses Wastewater Heat for Sustainable Energy

12/19/2025

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Story summary
  • Denver is using wastewater heat recovery at the National Western Center complex to power heating and cooling for classrooms.
  • The system extracts thermal energy from wastewater and uses a heat pump to transfer it to clean water, which returns to the sewer.
  • The approach reduces reliance on traditional energy sources and has a low carbon footprint.
  • Epic Cleantec, the company expanding into wastewater reuse, illustrates industry interest.