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Shaping Tomorrow's Built Environment Today
January 16, 2025
As wildfires rage across Los Angeles, air quality in California is under close scrutiny, with residents in heavily impacted areas urged to take protective measures. The South Coast Air Quality Management District issued a Windblown Dust and Ash Advisory in response to both the wildfires and the Santa Ana winds, which are driving rapid fire spread and contributing to hazardous air conditions. Per CAL FIRE, over 40,000 acres have been affected by the ongoing wildfires. See map with updates
The two largest wildfires, the Palisades Fire and the Eaton Fire, have impacted 23,700+ and 14,100+ acres, respectively. Image Credit: AP Photo/Jae C. Hong
The U.S. Department of Energy released its Pathways to Commercial Liftoff: Geothermal Heating and Cooling report focused on expanding geothermal heating and cooling. This report shows how we can grow the U.S. geothermal industry can be grown and make reliable, affordable and local heating and cooling solutions more accessible. Read more
Researchers from the Swiss Federal Institute of Technology in Zurich have investigated a new, more sustainable approach to passive dehumidification of indoor spaces. With their solution, rather than being released into the environment by a mechanical ventilation system, the moisture is temporarily stored in a hygroscopic, moisture-binding material and later released when the room is ventilated. Read more
A group from Finland’s Abo Akademi University has cleared the path for organic solar cells to become more effective and durable by discovering and resolving a previously unidentified loss process. Addressing a key challenge that has hindered the efficiency and stability of solar cells, their research used structure-inverted organic solar cells that measured 1 cm² in area and had an efficiency of more than 18%. 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 Engineer's Notebook column appears in the January 2025 issue of ASHRAE Journal.
 
 
Hot Air Podcast: How Particle Filters Work with Kathleen Owen
ASHRAE Journal
By William Ryan, Ph.D., P.E., Fellow ASHRAE
This article focuses on carbon emission metrics for electric production in the built environment. Download here
ASHRAE News
The technical program is now available for the 2025 ASHRAE Winter Conference taking place February 8-12, 2025, in Orlando, Florida. The full conference schedule is available online and in the ASHRAE 365 app. More than 100 technical sessions will be showcased on eight conference tracks and will offer emerging approaches to building design, construction and operation. Read more
In Case You Missed It
Microsoft has been investing billions to enhance its AI infrastructure and broaden its data center network. Analysts expect Microsoft's fiscal 2025 capital expenditure (including capital leases) to be $84.24 billion. The company's capital expenditure in the first quarter of fiscal 2025 rose 5.3% to $20 billion. Read more
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