With SARS-CoV-2 variants continuing to evolve, building scientists and air quality specialists have assessed the ventilation rates of rooms required to keep the risk of infection under one percent, ...

ATLANTA – A proposed change to the ventilation rate procedure in ASHRAE’s indoor air quality standard is open for review after changes were made based on public input last year. ANSI/ASHRAE Standard ...

As the novel COVID-19 virus continues to spread throughout the United States, HVAC contractors ensuring healthy indoor air quality (IAQ) are an important part of helping lower the rate of infections.

With SARS-CoV-2 variants continuing to evolve, building scientists and air quality specialists have assessed the ventilation rates of rooms required to keep the risk of infection under one percent, ...

Abstract: This application note provides an introduction to ventilators and their basic functions. It discusses how ventilation rates are measured and provides the formula for determining if the tidal ...

ATLANTA – The newly published 2013 version of ASHRAE’s residential indoor air quality standard removes the default leakage rate assumption and also requires carbon monoxide alarms. ANSI/ASHRAE ...

As the novel COVID-19 virus continues to spread in the United States, ensuring healthy IAQ is an important part of helping lower the rate of infections. Studies have demonstrated that higher ...

Winter ventilation is crucial for cows. Learn how to manage air exchange rates, control moisture and ammonia and prevent ...

Only about 15 percent of schools investigated were adequately ventilated, a study shows. (Getty) Roughly 85 percent of recently installed HVAC systems in K-12 classrooms investigated in California did ...

Test ventilation rates in existing HVAC systems and make corrections when needed. Millions of California children spend a large portion of their day indoors at school. Ensuring adequate classroom ...

Two-plus years into the Covid-19 pandemic, you probably know the basics of protection: vaccines, boosters, proper handwashing and masks. But one of the most powerful tools against the coronavirus is ...