A groundbreaking discovery has stunned researchers after students from the University of Cologne unearthed a 2,000-year-old “fridge” at the LWL-Römermuseum in Haltern am See, Germany. The find reveals an ancient Roman cooling pit, an innovative storage system that kept food fresh. Read more
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In a 2-1 decision, the U.S. Court of Appeals upheld efficiency standards for gas-powered commercial water heaters and consumer furnaces that were finalized in 2023. The standards, slated to take effect in 2028, require certain gas furnaces to use fuel more efficiently. The standards will require new furnaces to use about 15% less energy than today’s least efficient models. Read more
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In the decade since the COP21 Paris agreement aimed to limit global warming, both a lot and a little has changed when it comes to the energy sector makeup and the trajectory of emissions. On the one hand, an explosion in renewable energy deployment has upended the global power market, ushering in an "electrify everything" push. On the other hand, output and use of coal, crude oil and natural gas have continued to climb, along with resulting energy use emissions, which in 2024 were nearly 10% more than discharged in 2015. Read more
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Daikin Applied Americas announced the acquisition of a liquid cooling manufacturer specializing in negative pressure liquid cooling systems for AI data centers. The acquisition adds to Daikin Applied's existing data center solutions portfolio, bolstering its mission to deliver end-to-end cooling solutions that meet the demands of hyperscale and next-generation AI data centers. Read more
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Join ASHRAE Journal assistant editor Allison Hambrick and Max Rohr, Member ASHRAE, as they discuss zero energy buildings, biomimicry and designing for energy efficiency.
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By Martin Roy, P.Eng.; Alexandre Cadieux; Lianne Cockerton, P.Eng.
Located in Montreal, the Phenix is a living lab incorporating strategies that benefit the health and well-being of its 350 employees such as biophilia and designs to encourage active mobility and flexible workspaces. Formerly an abandoned warehouse, the renovated building avoided 12,000 tons of greenhouse gas emissions that would have been generated by the construction of a new building. Download here
Access more ASHRAE Journal articles through the Technology Portal.
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The Buildings XVI Conference, organized by ASHRAE and Oak Ridge National Laboratory (ORNL), will take place Dec. 8–11, 2025 in Clearwater Beach, Florida. Held every three years, the Buildings Conference series is the leading international forum on building envelope science. At this year’s conference, attendees can expect an in-depth exploration of how building envelope design and performance directly influence energy efficiency, durability, indoor environmental quality and occupant comfort. Read more
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