A carbon nanofiber–based direct air capture filter developed at the University of Chicago, designed to integrate into building HVAC systems and remove carbon dioxide directly from circulated indoor air. By working inside everyday ventilation infrastructure, the filter illustrates how routine building operations can intersect with large-scale carbon removal efforts without additional land or energy-intensive facilities. Photo: University of Chicago Pritzker School of Molecular Engineering; source: UChicago News;

HVAC carbon filter achieves 92.1% efficiency while cutting building energy costs 21.6%

Nanofiber Filter Turns HVAC Systems Into Carbon Capture Devices | KarmActive Nanofiber Filter Turns Building Vents Into Carbon Capture Devices University of Chicago develops filter that captures CO₂ with 92.1% efficiency while cutting HVAC energy costs by up to 21.66% A carbon nanofiber–based direct air capture filter developed at the University of Chicago, designed to integrate into building HVAC systems and remove carbon dioxide directly from circulated indoor air. (Photo: University of

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