“Particulate air pollution shortens lives globally, even more than cigarettes. There is no greater current risk to human health.”
— Michael Greenstone, Milton Friedman Professor in Economics, University of Chicago

Chicago literally gets an F in air quality according the the American Lung Association.

Every Passivhaus Institut Certified Building delivers a continuous stream of fresh filtered air while retaining > 75% of the embedded energy in the extract air stream.

Ellis Passivhaus uses a Zehnder ERV (energy recovery ventilator) that removes 90% of particulate matter greater the 1.0 microns and 75% of particulate matter that is < 1.0 microns. It runs 24/7 at 84% efficiency and uses < 2 kWh per day of electricity.

UCHICAGO - “The Tax That could save the World”

EPIC - Energy Policy Institute at UChicago

AQLI - Air Quality Life Index website

Twelve Facts about Particulate Air Pollution - Michael Greenstone and Claire Qing Fan, Energy Policy Institute at the University of Chicago