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June 11, 2024

By Dennis R. Landsberg, Ph.D., P.E., BEAP, Fellow/Life Member ASHRAE; Jim Edelson, Associate Member ASHRAE; Chris Lee, P.Eng., Member ASHRAE; and Valerie Lisi, Associate Member ASHRAE
ANSI/ASHRAE Standard 228, Standard Method of Evaluating Zero Net Energy and Zero Net Carbon Building Performance, contains a method of evaluating a building, or group of buildings, to determine if they’ve achieved “zero net energy” and/or “zero net carbon” operation. This article outlines measurement methods contained in Standard 228, details of its development and how it compares and interacts with other carbon-related ASHRAE standards. Read more
Kelley Cramm, P.E., Fellow/Life Member ASHRAE
This column discusses hazards in K–12 and higher education science laboratories and examines design considerations to mitigate exposure risks and maintain health and safety. Topics include applicable codes and standards, containment, exhaust requirements, fume hoods, emergency plumbing fixtures and emergency gas shutoff. Read more
Transitioning to Low Global Warming Potential Refrigerants
Join Ryan Shanley, Senior Manager of ASHRAE International Standards, as he moderates this episode with guests Doug Reindl and Stet Sanborn on the transition from high GWP to ultra-low GWP refrigerants; the marketplace for A1, A2 and A3 refrigerants; and how this phase of flammable refrigeration use impacts ASHRAE Standard 15, Safety Standard for Refrigeration Systems, and ASHRAE Standard 15.2, Safety Standard for Refrigeration Systems in Residential Applications.
Transitioning to Low Global Warming Potential Refrigerants
Stet Sanborn, AIA, Member ASHRAE, and Douglas Reindl, P.E., Ph.D., Fellow ASHRAE
Chandra Sekhar, Ph.D., Fellow ASHRAE; Gaelle Guyot, Ph.D., Pawel Wargocki, Ph.D., Fellow/Member ASHRAE; Paul Raymer, Member ASHRAE; Jelle Laverge, Ph.D., Member ASHRAE; Wei Ye, Ph.D.; and Rick Karg, Life Member ASHRAE
This column is an overview of the impacts of ventilation and IEQ on occupants in the sleeping environment. Read more

Access the June Digital ASHRAE Journal 
This month’s issue of ASHRAE Journal includes topics such as ANSI/ASHRAE Standard 228, CFD analysis of demand-control ventilation for laboratories and the life and legacy of French scientist Sadi Carnot. Access the digital edition here. 

Past Issues 
All articles and columns published in ASHRAE Journal since 1997 are available  in pdf format at no cost to members through ASHRAE’s Technology Portal.
ASHRAE Job Board
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