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Shaping Tomorrow's Global Built Environment Today
June 11, 2026
The United States is temporarily adjusting Section 232 tariffs on steel, aluminum and copper imports, namely reducing the rate charged for certain industrial and other goods, according to a proclamation signed by President Donald Trump. Having started June 8, a 15% tariff rate now applies to certain HVAC systems and components, the proclamation says. Agricultural equipment such as combines and harvesters also face a 15% tariff, down from a 25% rate Trump set for a slew of derivative steel and aluminum products in April. Read more
Researchers from Imperial College London have conducted the U.K.'s largest-ever study of indoor fungal air pollution, revealing that homes are active fungal ecosystems rather than passive recipients of outdoor air. The West London Healthy Home and Environment Study analyzed the air in 118 households over a two-year period, with a focus on lower socioeconomic households, children with asthma or allergies, and families from ethnic minority groups. Read more
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A record-shattering drought has racked much of the US, but the artificial intelligence industry is pushing ahead regardless, with the majority of planned data centers set to be built in drought-ridden locations, a Guardian analysis has found. Of 809 planned data centers, 517 are in locations that have been in drought conditions throughout the past year. Read more
Most of the stadiums for this year’s FIFA World Cup have achieved green building status after a push for certification in the run-up to the tournament. As the tournament opens, 13 of the 16 stadiums have earned LEED certification, the U.S. Green Building Council said. Ten have been certified since 2024 through the rigorous process to ensure buildings meet strict sustainability standards, and the council expects at least two of the three remaining stadiums to achieve certification in the coming weeks. Read more
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Join ASHRAE Journal Associate Editor Allison Hambrick along with guests Max Rohr and Paige Knowles as they discuss best practices for hiring, building a productive and comfortable work environment, and how to encourage more people to enter the HVAC industry.
 
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ASHRAE Journal
By Dennis Wessel
In this Engineer’s Notebook column, Dennis Wessel continues his reflection on changes in HVAC systems throughout his 50 years working in the industry, highlighting modern systems and their emphasis on energy efficiency. Download here
 
ASHRAE News
ASHRAE, in collaboration with Pacific Northwest National Laboratory (PNNL)  and the National Electrical Manufacturers Association (NEMA), announced the release of a comprehensive AI Data Center Energy Performance Framework. The Framework is hosted on ASHRAE’s website, providing industry-wide access to practical, expert-driven guidance for next-generation data center design and operation. Read more
In Case You Missed It
From Hawaii to Maine, rising utility rates are making summer heatwaves incredibly expensive. Faced with fluctuating energy markets and unexpected rate jumps, the average resident can no longer afford to leave their air conditioning system on autopilot. To pinpoint exactly where operating an AC unit will inflict the most damage on a household budget, a new analysis looked at everything from local electricity rates to how many homes run central air to rank the most expensive states for summer cooling. Read more
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