Excerpts of ASHRAE Journal articles are featured each month on the ASHRAE website. Embedded links in each article allow members to access and download the entire article for free and nonmembers to purchase the article through the ASHRAE Technology Portal.
December 2024
How Do Particle Filters Work?
By Kathleen Owen, Brent Stephens, Ph.D., William P. Bahnfleth, Ph.D., P.E., and Marwa Zaatari, Ph.D.
November 2024
What You Need To Know: Makerspace Infrastructure, Safety & Security
By Kelley Cramm, P.E.
October 2024
Optimization of Ventilation Design for the Hospital Post-Anesthesia Care Unit
By Kishor Khankari, Ph.D.; Alberto Garcia; Leonid Turkevich, Ph.D.; Kevin H. Dunn, CIH
September 2024
Forest Atrium Supports Indoor Air Quality in Sustainable Research Center
By Eduardo Seiji Yamada, C.Eng., BCxP, Member ASHRAE
August 2024
Empowering Our Workforce: Building a Sustainable Future
By M. Dennis Knight, P.E., BEMP
July 2024
Natural Gas, Old Buildings, Assumptions And No Good Deed Goes Unpunished
By Michael Gallagher, P.E.
June 2024
Is Your Building Operating at Net Zero Energy or Zero Carbon?
By Dennis R. Landsberg, Ph.D., P.E., BEAP
May 2024
To Affinity… and Beyond! Estimating VFD Power Draw From Motor Speed
By Dave Moser, P.E.
April 2024
How Much Condensation Occurs With Various Insulation Thicknesses?
By Gökhan Kahraman and Erdem Isik
March 2024
ASHRAE's Building Performance Standard: The New Face of Standard 100
By Wayne Stoppelmoor, Glenn Friedman, P.E., Kimberly Cheslak, Jamie Kono, P.E., Andrew Pape-Salmon, P.eng., John Topmiller, P.E, and Joseph Firrantello Ph.D., P.E.
February 2024
Higher-Efficiency Redundancy Strategy for Data Center Cooling
By Jinkyun Cho, Ph.D., and Jinyoung Lee, P.E.
January 2024
Optimizing Chilled Water Design in High-Rises in Hot, Humid Climates
By Muhammad Omer Safdar, Member ASHRAE
December 2023
Necessity of Expanded Field Data to Validate Ground Source Heat Pump Design Models
By Steve Kavanaugh, Ph.D., Fellow/Life Member ASHRAE
November 2023
Improving HVAC Sustainability and Person: Avoiding Wet & Moldy AHUs In Critical-Care Facilities
By David Schurk, Life Member ASHRAE
October 2023
Sustainable Police HQ in Hong Kong
By Ken C.K. Yeung, Member ASHRAE; H.L. TANG; Allison Y.M. Law
September 2023
Applying ASHRAE Standard 55-2020: A Path to More Valuable, Productive, Ultralow Energy Office Buildings
By Tom Hartman, P.E., Life Member ASHRAE
August 2023
Challenge Accepted: Tackling the Climate Crisis
By Ginger Scoggins, P.E., ASHRAE President, Fellow ASHRAE
July 2023
Asked and Answered: Decarbonizing The Built Environment
Interview with Paul Torcellini, Ph.D., P.E., Fellow ASHRAE
June 2023
Steam System Pipe Sizing for Industrial Facilities
By Kevin R. LaPlante, P.E., LEED AP, Member ASHRAE
May 2023
Cybersecurity for Building Automation Systems
By Ron Bernstein, Member ASHRAE
April 2023
Comparing Convection vs. Radiant Air-Conditioning Systems in Office
By Nobuhiro Hirasuga, Associate Member ASHRAE; Shun Kato, Associate Member ASHRAE; Takashi Akimoto, Ph.D., Member ASHRAE; Yu Sakamoto, Associate Member ASHRAE
March 2023
The Future of Artificial Intelligence in Buildings
By Zoltan Nagy, Ph.D., and Rania Labib, Ph.D.
February 2023
The Long Road to Decarbonization: Past, Present and (Possible) Future
By Thomas Lawrence, Ph.D, and Costas Balaras, Ph.D.
January 2023
Sustainable Energy Solution: Affordable Off-Grid Residential Heating
By Julio C. Guerrero, Ph.D., and William M. Worek, Ph.D., Fellow/Life Member ASHRAE
December 2022
Effective Energy Utilization of Healthcare Facilities
By Wallace Leung, Member ASHRAE
November 2022
Technology Award: Retail Building Produces Energy for Neighborhood
By Roland Charneux, P.Eng., HFDP; Daniel Picard, P.Eng., BEMP
October 2022
Analysis of Refrigerant Use for AC Equipment Maintenance
By Theresa Pistochini, P.E., Member ASHRAE; Roger Silveira; Derrick Ross, Associate Member ASHRAE; Robert McMurry; Adarsh Umarani
September 2022
Exploring PM2.5 Exposure of Chefs in Professional Kitchens
By Marije te Kulve; Marcel Loomans, Ph.D, Member ASHRAE; Atze Boerstra, Ph.D.; Derek Schrock, Member ASHRAE
August 2022
Chiller Plant Paints Energy Optimization
By Dennis C. Mckale, P.E., Member ASHRAE; Bradley Herbeck, Member ASHRAE; Ryan Cowan, Associate Member ASHRAE
July 2022
Inhaled Mass and Particle Removal Dynamics in Commercial Buildings And Aircraft Cabins
By Stephen Trent; Angela Davis; Tateh Wu, PH.D.; Danny Menard; Joshua J. Cummins, PH.D.; Joshua L. Santarpia, PH.D.; Nels Olson, PH.D.
June 2022
High School Addition Achieves Net Zero
By Donald Hartdegen, P.E., Member ASHRAE; Asfandyar Khan, P.E., HBDP, Associate Member ASHRAE; Sudesh Saraf, P.E., Member ASHRAE
May 2022
Engineer’s Notebook: Elevator HVAC Design Requirements
By Kelley Cramm, P.E., Member ASHRAE; Brad Chambon, P.E., Member ASHRAE
April 2022
Technology Award: Driving Energy Savings with Data
By Jason Volz, P.E., Member ASHRAE; Matt Branham, P.E., Associate Member ASHRAE; Braydi McPherson-Hathaway, Associate Member ASHRAE; Ashley Eimers
March 2022
Technology Award, ASHRAE Award of Engineering Excellence: Resilient by Design
By Shiro Tsukami, P.E.jp; Kitaro Mizuide, Ph.D., P.E.jp; Hirotaka Kubo, P.E.jp
February 2022
Transporting and Storing COVID-19 Vaccines
By Yunho Hwang, Ph.D., Fellow ASHRAE; Ben Greenfield; Bruce Kranz; Brian Hoaglan, Associate Member ASHRAE; Chris Repice, Member ASHRAE; Igor Vaisman, Ph.D., p.Eng., Member ASHRAE; Jürgen Oliver; Kashif Nawaz, Ph.D., Member ASHRAE; Stefan Elbel, Ph.D., Member ASHRAE
January 2022
A Multi-Lesson Hydronics War Story
By Michael Gallagher, P.E., Fellow ASHRAE
December 2021
Key Factors of Fan System Wire-to-Air Efficiency
By B. Rajavel, Associate Member ASHRAE; Tom Bise, Associate Member ASHRAE; Paul Bauch, Member ASHRAE
November 2021
Applying Safety Standards for Flammable Refrigerants
By Rusty Tharp, Member ASHRAE; Craig Grider, P.Eng., Associate Member ASHRAE; Brian Rodgers; Jennifer Butsch, Associate Member ASHRAE; Jim VerShaw, Member ASHRAE; Greg Relue; Moderator Steve Kujak, Member ASHRAE
October 2021
Central HVAC Filtration vs. Portable Air Purifier Filtration: Mitigating COVID-19 in Public Spaces
By Zhiqiang (John) Zhai, Ph.D.; Robert Bahl; Keith Trace; Bhavesh Gupta; He Li, Ph.D.
September 2021
How Building Decarbonization Can Transform HVAC
By Peter Rumsey, P.E., Fellow ASHRAE; Jorlyn Le Garrec, Associate Member ASHRAE; Avril Levasseur, P.E., Associate Member ASHRAE
Technology Award: Retrofit Creates Kyoto Energy Showcase
By Tomoaki Ushio, P.E.; Harunori Yoshida, Ph.D.; Shigemi Mori
August 2021
Virus Transmission Modes and Mitigation Strategies, Part 3: Ventilation, Filtration And UVGI
By Jonathan Burkett, P.E., HFDP, Member ASHRAE
Energy and IEQ Innovation Drive Adaptive Reuse Design
By Lawrin T. Ellis, P.E., Member ASHRAE; Cory Duggin, P.E., BEMP, Member ASHRAE; Carmine Rende Jr., P.E., Life Member ASHRAE; Alyssa Faircloth, Associate Member ASHRAE
July 2021
Energy Storage: Helping Move Toward a Sustainable Future
By Paul Torcellini, Ph.D., P.E., Fellow ASHRAE; Mark MacCracken, P.E., Life Member ASHRAE; Ram Narayanamurthy; Michael Deru, Ph.D., Member ASHRAE; Benjamin Lowe; Lynn Mueller
Conserving Energy at Semiconductor Factory
By Jorge Bazan, P.E., Member ASHRAE; Ralph Cohen, P.E., Life Member ASHRAE
June 2021
Technology Award: Innovation, Resiliency Create Cornerstone of Office Tower Design
By Shana Scheiber, P.E.; Roger Lautz, P.E.
Data Centers: Where and How Should PUE Be Improved?
By Nick Casale, P.E.
May 2021
Technology Award: School Pushes IAQ, Energy-Efficiency Boundaries
By Lee Harrelson, P.E., Associate Member ASHRAE; Ray Beaufait, Member ASHRAE; Brice Watson, P.E., Associate Member ASHRAE; Brian Turner, P.E., Member ASHRAE
Using Occupant-Centric Control for Commercial HVAC Systems
By Burak Gunay, Ph.D., P.Eng., Associate Member ASHRAE; Zoltan Nagy, Ph.D., Associate Member ASHRAE; Clayton Miller, Ph.D., Associate Member ASHRAE; Mohamed Ouf, Ph.D., P.Eng., Associate Member ASHRAE; Bing Dong, Ph.D., Associate Member ASHRAE
April 2021
Using a Mobile Modular Energy Unit With PV Panels for Heating
By Raimonds Bogdanovics; Anatolijs Borodinecs; Jurgis Zemitis; Aleksandrs Zajacs
Technology Award: Medical Office Building Thrives With Advanced Control Sequences
By Reece Kiriu, P.E.; Jeff Stein, P.E.
March 2021
Technology Award, ASHRAE Award of Engineering Excellence: Innovations Help Lab Achieve Low Energy Use
By Ned Greene, P.E. and Christine Sandall
February 2021
Building Sciences: Where Do Vapor Barriers Go in Parking Garages?
By Joseph W. Lstiburek, Ph.D., P.Eng., Fellow ASHRAE
Solving Problems: Debunking UVGI Myths
Interview by Mary Kate McGowan, Managing Editor | With William P. Bahnfleth, Ph.D., P.E., Presidential Member/Fellow ASHRAE
January 2021
What Insurance Do Building Commissioning Providers Need
By Ross D. Montgomery, P.E.
December 2020
LBNL’s High Performance Computing Center: Continuously Improving Energy and Water Management
By Jingjing Liu, P.E.; Norman Bourassa
Technology Award: Modular Heat-Recovery Chiller Drives College Laboratory Savings
By Ben Hobbs, P.E.
November 2020
How Occupants Affect Building Operators’ Decision-Making: Interviews with Building Operators
By Zakia Afroz, Ph.D.; Brodie W. Hobson; H. Burak Gunay, Ph.D., P.Eng.; William O’Brien, Ph.D., P.Eng.; Michael Kane, Ph.D.
Deep Energy Retrofit Saves Energy, Lowers Emissions for University
By Olivier Matte, Eng., Member ASHRAE
October 2020
Environmental Center Achieves Net Zero Energy
Alec R. Carnes, P.E., HBDP, Member ASHRAE
Displacement Ventilation Provides Cornerstone of Hospital Design
Brian Hans, P.E.; John Pappas, P.E., Member ASHRAE
September 2020
Calculating Airflow Rates, Cooling Loads in Commercial Kitchens
Iurii A. Tabunshchikov, Fellow ASHRAE; Alexander N. Kolubkov; Marianna M. Brodach; Iurii S. Avakian, Associate Member ASHRAE
Chiller Plant Optimized Without Capital Expenditures
Kelley Whalen, Member ASHRAE; Jason Brooks, P.E., Member ASHRAE; Eric Mobley, Associate Member ASHRAE
August 2020
Picasso Does Foundations
Joseph W. Lstiburek, Ph.D., P.Eng.
Radiant Heating, Displacement Ventilation Create Airport Comfort
Ryan Idema
July 2020
Present State and Future of Environmental Control Systems in Space
John Constantinide
2020 ASHRAE Technology Award: Heating Accounts For 70% of Museum's Energy Savings
Mary On
June 2020
Creating Safeguards for Rising Building Commissioning Costs
Ross D. Montgomery, P.E.
Raising the Bar in High Performance Laboratory Design
Jeffery M. Scott, P.E.
May 2020
ASHRAE Technology Award: DCV, Geothermal Systems Drive Building Design
By Benjamin D. Hobbs
ASHRAE Technology Award: Ambulatory Care: Health, Wellness, and Efficiency
By Kurt Monteiro, P.Eng., HBDP, HFDP; Kevin Sharples, P.Eng.
April 2020
Impact of HVLS Fans on Airplane Hangar Air Destratification
Christian Taber; Brandon A. Steele
Solving Problems: Load Calculations for Cannabis Grow Facilities
Mary Kate McGowan, Associate Editor, News
March 2020
Thermo Active Building System Creates Comfort, Energy Efficiency
Kosuke Sato, Ph.D., P.E.jp; Eri Kataoka; Susumu Horikawa, P.E.jp
February 2020
Automatic Long-Term Thermal Comfort Monitoring in Buildings
Justin Berquist, P.Eng.; William O’Brien, Ph.D., P.Eng.; Mohamed Ouf, Ph.D., P.Eng.
December 2019
Persistence in Energy Savings from Retro-Commissioning Measures
Saranya Gunasingh; Scott Hackel; Xiaohui Zhou, Ph.D., P.E.
Solving Problems: Integrating CHP Systems, Renewable Energy to Increase Resilience
Mary Kate McGowan, Associate Editor, News
November 2019
Alternative Water-Cooling Sources for Data Centers
John Peterson, P.E.
Building Sciences: Up in Smoke
Joseph W. Lstiburek, Ph.D., P.Eng.
October 2019
Stoned: Problems with Thin Stone and Thin Manufactured Stone Veneer, aka, “Lick and Stick Stone,” aka “Lumpy Stucco”
By Joseph W. Lstiburek, Ph.D., P.Eng., Fellow ASHRAE
Conditioning for the Environment of Critical Care Hospital Operating Rooms
By David Schurk, Member ASHRAE
September 2019
Renovation Extends Building Life 100 Years
By Eric Solrain, P.E. Associate Member ASHRAE; Tyler Bradshaw, P.E.; Marsha Maytum, FAIA; Gwen Fuertes, AIA
August 2019
Building Sciences: Drain the Rain, On the Plane. The Drainage Plane.
Joseph W. Lstiburek, Ph.D., P.Eng.
July 2019
2019 ASHRAE Technology Awards: Library Design Delivers Flexibility, Energy Savings
By Sarah Berseth, Member ASHRAE
Building Automation Systems: Addressing the Cybersecurity Threat
By Mary Kate McGowan, Associate Editor, News
June 2019
2019 ASHRAE Technology Awards: More Outdoor Air, Less Energy for HQ
By Steve Gross, Associate Member ASHRAE; Hormoz Janssens; Shawn MacLean, P.E., Member ASHRAE
2019 ASHRAE Technology Awards: Heating System Key to Health Center Efficiency
By Daniel Robert, P.Eng., Member ASHRAE; Stanley Katz, Member ASHRAE; Simon Kattoura, P.Eng.