ASHRAE Journal

October 2022

Understanding refrigerant emissions from air-conditioning (AC) equipment is critical for accurately estimating its global warming impacts. This month’s cover article describes development of a primary data collection method to estimate average refrigerant emission rates of R-22 and R-410A in AC equipment by examining historical refrigerant used relative to the initial refrigerant charge of the AC equipment inventory.

Features:
Technology Award: Urban Mixed-Use Building Uses Geothermal System
Technology Award: School System Improves Energy Performance With Integrated Approach
Analysis of Refrigerant Use for AC Equipment Maintenance
Potential Pathway to HVAC System Fuel Feed Automation, Optimization

Standing Columns:
Data Centers: Which Free Cooling Technology Should We Select For Data Centers
IEQ Applications: An Update on ASHRAE/ASHE Standard 170
Engineer’s Notebook: Learning About TMY
Refrigeration Applications: Decompression

ACCESS ARTICLES THROUGH TECHNOLOGY PORTAL

ASHRAE Journal' Podcast

Tune into conversations between leading ASHRAE experts as they discuss what HVAC engineers need to know to design better systems and grow the HVAC&R industry. Listen

Members-Only Free Access to Archived ASHRAE Journal Articles

ASHRAE Technology Portal provides access to ASHRAE Journal. ASHRAE Journal articles provide peer-reviewed "need to know" information and thoughtful insight into the wide range of topics that influence building and system design, installation and operation. The complete archive of ASHRAE Journal issues starting from January 1997 is available. ASHRAE members can download ASHRAE Journal articles in PDF format for free.
Members-Only Free Access to Archived ASHRAE Journal Articles

Non-members can purchase features from the ASHRAE Bookstore. Or, Join ASHRAE!

Free reader service is available for advertisers in this issue here.

Product Information

Subscription information is available here.

Subscription Information

Digital Journal

The digital Journal is identical to the printed version.

The fully searchable document contains an interactive table of contents with ads linked to advertisers’ Web sites. The digital Journal is available to all ASHRAE members.

View the digital Journal.

ASHRAE Journal''s AHR Today

Stay up-to-date with ASHRAE Journal's coverage of the 2022 AHR Expo, including the latest information on the 2022 Innovation Awards. Read more

Digital Journal ASHRAE Journal's Official Product and Show Guide for the 2022 AHR Expo

Explore more than 300 products exhibited at the 2022 AHR Expo in Las Vegas.

View the digital Show Guide.

Digital Journal ASHRAE Journal's Official Product and Show Guide for the 2022 AHR Mexico

View the digital Show Guide.

AMCA inmotion

The 2021 edition of Air Movement and Control Association’s award-winning magazine includes articles on the impact of large-diameter ceiling fans on COVID-19 exposure, ceiling fan energy index, the use of control dampers in data centers, parking-garage ventilation, severe-duty louvers, and the AMCA laboratory and Certified Ratings Program.

View AMCA inmotion

Email Newsletters

HVACR Industry newsletter

The HVAC&R Industry is available to anyone interested in staying up-to-date with the latest news in the HVAC&R industry. In The HVAC&R Industry you'll get:

Current news in the HVAC&R industry

New developments, meeting schedules and other ASHRAE information

A lead story that investigates breaking industry news and a feature story that takes an in-depth look at an industry topic in every issue

Quick links to ASHRAE's online technical information, member-oriented content and other site features:

SUBSCRIBE CURRENT ISSUE ADVERTISE

ASHRAE Journal Newsletter, eSociety, and Insights

ASHRAE Journal Newsletter	ASHRAE Insights	ASHRAE Insights Archives
ASHRAE Journal Newsletter connects today’s technology trends with relevant peer-reviewed content. It is emailed to ASHRAE members on the second and fourth Tuesday.	ASHRAE Insights publishes the latest news on research, standards, publications, and more. Insights is emailed to all members on the third Wednesday of each month.	ASHRAE Insights Archives provides access to earlier issues with articles of interest to members, including Chapter News, Obituaries, Membership Advancement and other news. Digital archived issues are available back to 2008. Click the Archives tab from the main screen of the current issue.
*Read archived ASHRAE Journal* Newsletters, eSociety, and Insights** (requires member login to access)