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Shaping Tomorrow's Built Environment Today
January 2, 2025
Fueled by the rapid rise in artificial intelligence, data centers could triple their energy use by 2028, accounting for as much as 12% of the country’s electricity consumption, according to a new report backed by the U.S. Department of Energy. The findings from the Lawrence Berkeley National Laboratory add to the flurry of warnings about the toll that data centers could take on the nation’s electric grid. But administration officials say they’re not concerned about the grid’s ability to handle the needs of the growing industry. Read more
Over the past four years, numerous local, state, and federal policies have been signed into law to lower heat pump costs and spur adoption of the appliances. Now, advocates are assessing how to keep that momentum going under an incoming Trump administration. Fewer than one in five U.S. households have heat pumps today. Far more must install them to eliminate the roughly 10% of U.S. carbon emissions that come from burning fossil fuels in homes. To also replace the inefficient electric resistance heaters that tax the power grid and cost consumers, every U.S. household with heating would need to get a heat pump. Read more
Image Credit: Unsplash
Scientists at Rice University developed a cutting-edge device that turns heat into electricity with an impressive 60% efficiency, a breakthrough that could redefine how we store and use renewable energy. Here's how it works: the researchers combined tiny silicon structures with a base made of tungsten to create a thermal emitter. When heated, it emits light that is then converted into electricity by solar-like photovoltaic panels. Read more
The U.S. Department of Energy’s (DOE) Office of Clean Energy Demonstrations has opened applications for $1.8 billion in funding to accelerate Direct Air Capture (DAC) technology. This initiative focuses on building mid- and large-scale DAC facilities and infrastructure platforms under the Regional DAC Hubs program. Read more
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. This article appears in the January 2025 issue of ASHRAE Journal.
 
 
Hot Air Podcast: How Particle Filters Work with Kathleen Owen
ASHRAE Journal
By Andy Pearson, Ph.D., C.Eng.
In his column, Andy writes on how “winterize” large industrial systems. Download here
ASHRAE News
As wildfires and prescribed burns increasingly impact communities worldwide, ASHRAE has published a new resource aimed at safeguarding indoor air quality (IAQ) during these events. ASHRAE Guideline 44-2024, Protecting Building Occupants From Smoke During Wildfire and Prescribed Burn Events, outlines best practices for building design, operation and maintenance to reduce the health risks associated with prolonged exposure to wildfire and prescribed burn smoke. Read more
In Case You Missed It
Rebecca Matyasovski, who has been with ASHRAE Journal since 2000, was short listed for the 2024 Publisher Podcast Awards in the Podcast Hero of the Year category for her work on Hot Air in 2022. Since starting at ASHRAE, Rebecca has closed on more than 250 issues of the Journal with impeccable accuracy and care, which she carries over into every episode of the series. Hot Air was also shortlisted for Best B2B Podcast, Technology Podcast and Best Podcast Launch. Read more
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