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Join Technical Editor, Rebecca Matyasovski, in brief talks with authors of articles featured in monthly ASHRAE Journal issues. Interested in reaching the global HVACR engineering leaders with one program? Contact Greg Martin at 01 678-539-1174 | gmartin@ashrae.org.

ASHRAE Journal


    • May 23, 2025 LATEST EPISODE
    • monthly NEW EPISODES
    • 7m AVG DURATION
    • 30 EPISODES


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    Latest episodes from Hot Air

    30. Recommissioning An Existing Church Building To Boost Energy Efficiency With Matthew Strebe

    Play Episode Listen Later May 23, 2025 5:34


    Join Journal Technical Editor Rebecca Matyasovski and Matthew Strebe in this chat about recommissioning a church building to optimize energy efficiency and reduce natural gas consumption.

    29. Understanding Mold Problems Inside Housing With George Tsongas

    Play Episode Listen Later Apr 24, 2025 3:46


    Mold problems are more common than most people realize in both new and older single-family and multifamily housing, potentially causing serious indoor air quality (IAQ) problems. Join Journal Technical Editor Rebecca Matyasovski and George Tsongas as they discuss mold problems inside housing and why they are critical to address.

    28. Categorizing Energy Efficiency Measures With Amanda Webb And Apoorv Khanuja

    Play Episode Listen Later Mar 20, 2025 5:16


    Join Journal Technical Editor Rebecca Matyasovski along with guests Apoorv Khanuja and Amanda Webb as they discuss recommendations and more for naming and categorizing energy efficiency measures (EEMs). In the first recommendation? Clearly describe what's being done.

    27. Analyzing Net Zero Energy Buildings with David Traxler

    Play Episode Listen Later Feb 24, 2025 4:21


    Join David Traxler and Journal Technical Editor Rebecca Matyasovski as they discuss some of the patterns he found when studying 50 energy efficient net zero energy buildings.

    26. Improving Building Graphics With Brian Clark

    Play Episode Listen Later Jan 24, 2025 10:52


    Building graphics are the windows into system performance. Join Journal Technical Editor Rebecca Matyasovski and Brian Clark as they discuss what makes a good building graphic and tips to improve them.

    25. Designing A Maintainable, Sustainable Building

    Play Episode Listen Later Dec 20, 2024 10:43


    Sustainability starts with maintenance. Michael Gallagher helps us remember that if a sustainable building can't be kept running the way it was intended to run, it isn't sustainable.

    24. How Particle Filters Work with Kathleen Owen

    Play Episode Listen Later Nov 22, 2024 5:04


    Join Kathleen Owen and Journal technical editor Rebecca Matyasovski as they discuss some ins and outs of particle filters, including particle capture and the economic impact of different filters.

    23. Designing Building Systems With Acoustics in a Performing Arts Center With Coral Pais

    Play Episode Listen Later Oct 24, 2024 6:01


    Performing arts patrons don't usually think about HVAC design when deciding to attend an event. But if the system designers don't notice, patrons might. Join Coral Pais as she discusses how acoustics were considered when designing a Cleveland performing arts center.

    22. Post-Anesthesia Care Unit Ventilation Design with Kishor Khankari

    Play Episode Listen Later Sep 24, 2024 13:26


    Surgical patients release waste anesthetic gases that can cause potential health effects for people who care for patients in the post-anesthesia care unit. Kishor Khankari, Ph.D., Fellow ASHRAE, discusses optimizing its ventilation design to effectively remove these gases and reduce exposure. 

    21. Using Hydronic HVAC Systems for Decarbonization with Michael Licastro

    Play Episode Listen Later Aug 23, 2024 8:49


    Join Michael Licastro, Associate Member ASHRAE, and Technical Editor Rebecca Matyasovski as they discuss using hydronic HVAC systems to aid in decarbonization.

    Dust Collector Design Demystified With Chris Jester

    Play Episode Listen Later Jul 24, 2024 5:34


    Did you know milk dust and flour, among other dusts, are explosive? Combustible dusts require the use of dust collectors. Join Chris Jester, Associate Member ASHRAE, and Technical Editor Rebecca Matyasovski as they discuss the design of dust collector systems, including air velocity and duct sizing, safety considerations, motor requirements and relevant codes.

    19. Natural Gas and Old Buildings With Mike Gallagher

    Play Episode Listen Later Jun 24, 2024 4:50


    Join Mike Gallagher, P.E., Life Member ASHRAE, and Technical Editor Rebecca Matyasovski as they discuss the monthslong saga to fix what started out as a small gas leak in the furnace room of his church—just before Christmas.

    18. The Life of Sadi Carnot With Andy Pearson

    Play Episode Listen Later May 23, 2024 7:15


    Andy Pearson shares some of the upheaval in which scientist Sadi Carnot performed his work, including for the science we now call “thermodynamics.”

    pearson sadi carnot
    17. Data Center Energy Compliance Strategies in Hot Climates

    Play Episode Listen Later Apr 22, 2024 5:45


    Hamed Yassaghi, Ph.D., Associate Member ASHRAE, talks about data center IECC 2021 compliance strategies in hot climates with air-cooled chillers.

    16. Outdoor Air Ventilation in School Corridors with Lisa Ng

    Play Episode Listen Later Mar 22, 2024 6:15


    The amount of time students spend in school corridors is small compared to time spent in classrooms. But Lisa Ng, Ph.D., Member ASHRAE, believes it's important for school corridors to be ventilated beyond what's currently required by ASHRAE Standard 62.1-2022. She joins Journal Technical Editor Rebecca Matyasovski to explain why.

    15. IEQ in Residential Workspaces With Bill Healy

    Play Episode Listen Later Feb 19, 2024 12:00


    During the pandemic, many businesses adopted a “work from home” model to ensure the safety of their staff. Now, that model may be here to stay and along with it an increased appreciation for IEQ in homes. Join Bill Healy, Ph.D., Member ASHRAE, and the Journal's technical editor Rebecca Matyasovski as they discuss how ASHRAE can help identify opportunities to improve IEQ in residential workspaces.Resources:Residential Buildings Committee websiteResidential Issue Brief on “Working From Home”

    14. HVAC Fundamentals With Joel Primeau

    Play Episode Listen Later Jan 23, 2024 3:47


    "I think offering an article on fundamentals will encourage younger members to read the Journal," says Joel Primeau, P.E., HBDP, Member ASHRAE. Join Primeau and Technical Editor Rebecca Matyasovski as they discuss a new series that aims to better engage younger Journal readers by covering HVAC fundamentals.

    13. Marginal Carbon Factors With Bill Ryan

    Play Episode Listen Later Dec 20, 2023 10:58


    Join Bill Ryan, Ph.D., P.E., Fellow ASHRAE, and Technical Editor Rebecca Matyasovski as they discuss Ryan's upcoming article covering marginal carbon factors and how electric production is controlled and managed. The technical feature will appear in the January 2024 print issue of ASHRAE Journal.

    12. We Need More Field Data for Ground Source Heat Pump Design Model With Steve Kavanaugh

    Play Episode Listen Later Nov 21, 2023 7:01


    “There are so many things that you do not know down in the ground. So, in order to be accurate, a computer program must have all the necessary input data, and much of that input data is not available when the formation... [and the heat transfer are] complex,” says Steve Kavanaugh, Ph.D., Fellow/Life Member ASHRAE. Join Kavanaugh and Technical Editor Rebecca Matyasovski as they chat about the need for more field data for ground source heat pump design models.

    11: Avoiding Wet & Moldy AHUs in Critical-Care Facilities With David Schurk

    Play Episode Listen Later Oct 23, 2023 4:51


    Join David Schurk, Life Member ASHRAE, and ASHRAE Journal's Technical Editor Rebecca Matyasovski as they discuss ways to avoid wet AHUs and how to move toward more sustainable HVAC systems.

    10. Water Is Weird and Ice Wine Is Delicious With Joe Lstiburek

    Play Episode Listen Later Sep 22, 2023 8:29


    Water is weird, says Joe Lstiburek, Ph.D., P.Eng., Fellow ASHRAE. Join Joe and Rebecca Matyasovski, ASHRAE Journal's Technical Editor, as they chat about Joe's October column on what makes water so weird and what ice wine and vin santo have to do with it.

    9. Thermal Comfort With Thomas Hartman

    Play Episode Listen Later Aug 25, 2023 6:18


    “You can't control what you don't monitor,” says Thomas Hartman, P.E., Life Member ASHRAE. Join Rebecca Matyasovski, ASHRAE's Technical Editor, as she dives a little deeper into Hartman's new article appearing in the September issue of ASHRAE Journal. The article covers some of the new features of ASHRAE Standard 55, Thermal Environmental Conditions for Human Occupancy.

    8. How Can AI Benefit the Refrigeration Industry? With Andy Pearson

    Play Episode Listen Later Jul 11, 2023 6:49


    Andy Pearson, Ph.D., C.Eng., Fellow ASHRAE, and Technical Editor Rebecca Matyasovski discuss how artificial intelligence (AI) can benefit the refrigeration industry as well as some potential pitfalls that could lead to some embarrassing or costly mistakes.

    7. Decarbonization 101 With Paul Torcellini

    Play Episode Listen Later Jun 28, 2023 5:49


    Join Rebecca Matyasovski and Paul Torcellini, Ph.D., P.Eng., Fellow ASHRAE, as they expand on Torcellini's July ASHRAE Journal Asked & Answered article, define decarbonization and discuss approaches in new and existing buildings.

    6. Argonne's New Materials Design Lab With Blair L. Hawn

    Play Episode Listen Later May 23, 2023 9:43


    Join Blair L. Hawn, P.E., Member ASHRAE, and Technical Editor Rebecca Matyasovski as they discuss Hawn's Technology Award Project being featured in June's ASHRAE Journal. Hawn's project, a new Materials Design Laboratory at Argonne National Laboratory, is a state-of-the-art collaborative research facility for energy and materials scientists to investigate structures at the scale of a single electron and larger.

    5. Are Two ACHs Enough? With Austin Barolin

    Play Episode Listen Later Apr 19, 2023 4:52


    Austin Barolin, Associate Member ASHRAE, and Technical Editor Rebecca Matyasovski discuss Barolin's article in the May issue of ASHRAE Journal. The article covers hospital air quality-based ventilation for hospital energy conservation and explains why two air changes per hour may be as good as 12. 

    4. Spotlighting Unrecognized Contributions to HVAC&R With Janice K. Means

    Play Episode Listen Later Mar 24, 2023 4:45


    ASHRAE Technical Editor Rebecca Matyasovski interviews Janice K. Means about her article in the April 2023 ASHRAE Journal. The article recognizes Eunice Newton Foote's discovery of the role CO2 plays in causing greenhouse effect. Means' new article series will spotlight historically undervalued contributions in areas that are of interest to ASHRAE and the HVAC&R industry.

    3. Innovative Design Elements With Lianne Cockerton

    Play Episode Play 35 sec Highlight Listen Later Feb 22, 2023 5:59


    Listen to Lianne Cockerton P.Eng., Member ASHRAE, chat with Technical Editor Rebecca Matyasovski about the innovative design elements—including welding stations—that made a Canadian industrial building and plumbers' association nearly reach net zero energy. Local 144 was awarded the Award of Engineering Excellence for its outstanding application of design and effective energy use.

    2. Regulating Indoor Contaminants With Benjamin Jones

    Play Episode Play 22 sec Highlight Listen Later Jan 27, 2023 5:43


    Benjamin Jones, Dr.Eng., speaks with Technical Editor Rebecca Matyasovski about a proposed addendum to Standard 62.2 that considers harm as a basis of regulating contaminants in homes. He also talks about how this type of addenda could be used in other indoor spaces and by other organizations—and why you should always turn on your range hood.

    1. Math Matters With Andy Pearson

    Play Episode Listen Later Dec 21, 2022 10:46


    Join our host and technical editor, Rebecca Matyasovski, in a quick chat with ASHRAE Journal Refrigeration Applications columnist Andy Pearson in the first episode of Hot Air, a new series presented by ASHRAE Journal Podcast. In this premiere, we dive into ASHRAE Journal's December 2022 column, “Math Matters,” and Andy gives advice on learning how to love the way numbers work. 

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