ASHRAE Standard 62.1, “Ventilation for Acceptable Indoor Air Quality,” is the gold standard for maintaining indoor air quality in occupied spaces. The standard allows for engineers to demonstrate ...

The study looked at results in an elevator, a supermarket and a classroom. A new study at the University of Minnesota College of Science and Engineering showed ventilation systems can change the ...

The vast majority of SARS-CoV-2 transmission occurs indoors, most of it from the inhalation of airborne particles that contain the coronavirus. The best way to prevent the virus from spreading in a ...

An HVAC technician works on a ventilation system. The University of Chicago says it has developed a filter that can capture most of the CO2 in a building. This story was originally published on ...

Solar chimneys and natural ventilation systems represent a sustainable approach to enhancing indoor air quality while reducing energy consumption. By harnessing solar radiation, these passive devices ...

Exhaust ventilation sytems, whether simple or complex, share common system components, each of which has its own energy loss. Understanding the energy losses of exhaust ventilation system components ...

Americans are abandoning their masks. They’re done with physical distancing. And, let’s face it, some people are just never going to get vaccinated. Yet a lot can still be done to prevent covid ...

Passive ventilation systems employing wind towers and wind catchers have garnered considerable attention as sustainable alternatives to conventional mechanical systems. These devices harness natural ...

PITTSBURGH — The Liberty Tunnels Ventilation System in Pittsburgh has been recognized as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers. Pennsylvania ...

Now that construction of the new large-scale ventilation system at the Waste Isolation Pilot Plant is complete, the US Department of Environmental Management is aiming for it to be fully operational ...