State of Affairs: UMD Team Assesses Energy Efficiency of Maryland’s Capital City

From the Maryland State House to the governor's mansion, a CEEE team conducted an in-depth energy audit of 16 state-owned buildings in Maryland's capital, Annapolis. The work, which was done in collaboration with the Maryland Department of General Services, is all part of the state's aggressive plan to cut carbon emissions.

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CEEE Team Develops Design Optimization Framework for Ultra-High Efficiency Heat Exchangers

CEEE researchers engineered a comprehensive design optimization platform for novel Triply Periodic Minimal Surface (TPMS)-based heat exchangers for high-temperature and high-pressure applications using air and supercritical CO2 as the working fluids. The team presented their framework in the International Journal of Heat and Mass Transfer.

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CEEE Study Compares AI Models for HVAC Systems, Highlighting Performance and Efficiency Differences

As the demand for efficient and smart HVAC systems grows, engineers are increasingly turning to artificial intelligence (AI) for help. But with an explosion in AI in recent years, how do they select the best data-driven model for an HVAC system? A new CEEE paper provides guidance by offering a comprehensive review of state-of-the-art data-driven modeling of HVAC systems.

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Conference at UMD Offered a Forum to Discuss the Path to Low-GWP Refrigerants

As the global community strives toward meeting stringent environmental regulations that require a phasedown of HFCs, international stakeholders met in June at UMD for the 7th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants to share their latest research on low-GWP refrigerants.

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CEEE Grad Students Win ASHRAE Scholarships for HVAC&R Research

Congratulations to CEEE graduate research assistants Dana Kang and Aditya Ramnarayan on each being awarded an ASHRAE Graduate Student Grant-in-Aid Award for academic year 2025-26.

Only 20 students worldwide received this prestigious scholarship for students pursuing HVAC&R research.

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MD@ASHRAE: A Fantastic Evening in Phoenix

Thank you to the CEEE sponsors, collaborators and alumni who joined us for dinner in June during the 2025 ASHRAE Annual Conference in Phoenix. As always, it was great connecting with the extended CEEE community. You can bet that we're looking forward to meeting up again in February during the 2026 ASHRAE Winter Conference in Las Vegas!

CEEE Team Examines a Promising Method to Control Frost Buildup on HVAC&R Equipment

For decades, researchers have explored ways to prevent and remove frost accumulation that can compromise equipment performance. Now, a CEEE team has conducted a thorough review of one promising method, the electrohydrodynamic (EHD) technique, which uses high-voltage electric fields to affect the amount and shape of frost formation.

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Study Explores How to Build Resilience by Integrating Heat Pumps With Renewable Energy Sources

Congratulations to CEEE alum Hanlong Wan, CEEE Research Professor Yunho Hwang and Jian Zhang with the Pacific Northwest National Laboratory on their new study on how renewable energy sources can be integrated with heat pump technologies to support resilient space heating in cold climates. The paper was published recently in Energy Research & Social Science.

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Student Spotlight

Jangho Yang: Making an Impact

Graduate research assistant Jangho Yang is tackling one of the biggest challenges in the HVAC sector – the need to improve the performance of cold climate heat pumps to facilitate their widespread adoption. He's proposing a technology that would improve performance by controlling frost buildup.

SEPTEMBER

8

Workshop on Data Center Cooling

CEEE’s industry sponsors are invited to an in-person workshop that will explore developments and challenges in data center cooling. This is also an opportunity for sponsors to provide input on their research directions in this area, so that CEEE can best support them. Get the details.

SEPTEMBER

8-10

Fall Consortium Meetings

CEEE Sponsors: Mark your calendars for the Fall 2025 Consortium Meetings. These research updates are open to consortia members only. Get the details.

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