Office of Energy & Sustainability

Freezer Challenge 2025 Results

For the second year, we participated in the International Freezer Challenge as an institution. The Freezer Challenge is a free competition to promote cold storage best practices, improve lab energy efficiency, and increase equipment life. Of the 113 academic institutions that participated, we placed 20th overall, with a total of 289 points and 91 kWh/day saved, equivalent to 0.042 metric tons CO2 equivalent per day, or 108 miles driven daily by an average gasoline-powered passenger vehicle.  

9 labs participated in the competition this year. The top three scorers are: 

  1. Guo Lab (Lab Lead: Yuelin Tang) with 17 points (place 37 out of 273 participating small labs, 10 or fewer lab members) 
  2. Siolas Lab (Lab Lead: Katherine Bacchi) with 15 points (place 53 out of 273 participating small labs, 10 or fewer lab members) 
  3. Jones Lab (Lab Lead: Noemi Linden) with 13 points (place 61 out of 143 participating medium labs, 11-25 lab members) 

 Yuelin Tang wins a cooler bag and a picnic blanket, and the Guo lab wins reusable mugs and a glove recycling box, sponsored by VWR, and a set of cryogenic vial grippers sponsored by Corning. 

A big thank you to Avantor/VWR and Corning for sponsoring the gifts for the winning lab. 

Did you know

Earth Day was founded in 1970. U.S. Senator Gaylord Nelson of Wisconsin called for a nationwide demonstration in the spring of 1970 aimed to raise awareness of environmental issues. It worked. The first national Earth Day was April 22, 1970.

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