The publication was created to be used alongside ANSI/ASHRAE Standard 62.1-2019 and explains how to apply the criteria set out by the standard, by providing examples, sample calculations and best practices for professionals concerned with ventilation and indoor air quality in nonresidential buildings.

The 2021 edition delivers critical guidance for designers and operators of these front-line facilities and incorporates 17 addenda to the 2017 edition of the standard.

The ASHRAE Epidemic Task Force has been developing and disseminating guidance for the control of airborne transmission of SARS-CoV-2 since its formation in March 2020.

Remember the wall-vented, gas-fired space heaters with standing pilots? 

No more double windows!” That was the title of an article I read in the Chicago Evening Post. The year was 1911 and the page was yellowed with age.

Proper bathroom exhaust design and placement help prevent uncomfortable showers.

Horizontal wet venting has been very controversial and very misunderstood since it came into the Uniform Plumbing Code in the 2009 edition.

The Cyclone Mxi Common Venting Kit allows easy connection of two commercial gas Cyclone Mxi water heaters with shared external venting.