• Replace old freezers: up to £400 per year saving per freezer
• Defrost freezers regularly: around £200 per year saving per freezer
• Save space by clearing out old samples: save up to £1,000 per year for every ULT freezer you can retire
• Run your freezers a little warmer: up to £300 per year saving per freezer

University of Edinburgh, Social Responsibility & Sustainability, Updated May 2021 by Andrew Arnott