Dr. Tianzhen Hong is a Senior Scientist, Principal Investigator, and Deputy Head of the Building Technologies Department. He leads the Urban Systems Group and a team with research on data, methods, computing, occupant behavior, and policy for design and operation of low energy buildings and sustainable urban systems. He is leading the EnergyPlus development at LBNL. He established and chairs the ASHRAE Multidisciplinary Task Group on occupant behavior in buildings. He actively contributed to international collaborations such as the 10-year U.S.-China Clean Energy Research Center on Building Energy Efficiency, IEA EBC Annex 53, 66, 79, and 81. He was co-Operating Agent of Annex 66 and co-lead of Subtask 3 of Annex 79. One of his software toolkit, CBES, won the 2019 R&D 100 Award. He is an IBPSA Fellow and ASHRAE Fellow. He is a Highly Cited Researcher 2021. He received B.Eng. and Ph.D. in HVACR, and B.Sc. in Applied Mathematics from Tsinghua University, China.
Urban Systems Research
Urban Systems Group, UrbanSystems.lbl.gov
City Building Energy Saver (CityBES), CityBES.lbl.gov
Occupant Behavior Research
Occupancy Simulator, occupancysimulator.lbl.gov
ASHRAE Multidisciplinary Task Group on Occupant Behavior in Buildings, ASHRAE MTG.OBB
Building Energy Modeling and Analysis Tools
2019 R&D 100 Award: Commercial Building Energy Saver - October 30th 2019
The Commercial Building Energy Saver (CBES), a software toolkit that enables equitable access to building deep retrofit and zero-net energy strategies for these buildings, won a 2019 R&D 100 Award in the software/services category.
The development team includes Berkeley Lab researchers Sang Hoon Lee, Xuan Luo, Kaiyu Sun, Tianzhen Hong, Cynthia Regnier, Mary Ann Piette (all pictured left to right), Yixing Chen, Rongpeng Zhang, Sarah C. Taylor-Lange, and Philip Price. The project was supported by the California Energy Commission and the Department of Energy.