Sign up for the 2026 Freezer Challenge interest list
Enhance your lab’s sustainability with improved cold storage management. Complete the form to be notified when the 2026 Freezer Challenge begins.
The Freezer Challenge and it’s participating labs have driven remarkable energy savings impact for nine years running, saving 108 million kWh since 2017.
How the Freezer Challenge works
A free, annual competition held virtually from January to June each year.
Sign up your lab to participate and discover how you can enhance energy efficiency, improve sample accessibility, reduce risks, and cut costs through sustainable cold storage practices.
- Make a Plan: Explore strategies to optimize your cold storage. Access resources and review best practices to get started.
- Build Your Team: Enlist colleagues and labmates to collaborate on actions and maximize your impact.
- Take Action: Adopt measures like defrosting freezers, updating inventories, and optimizing temperatures. Record your actions on the scoresheet to monitor impact.
- Celebrate Success: Earn recognition for your efforts with awards, highlights, and a showcase of your lab’s leadership in sustainability.
Become a Freezer Challenge admin
Organization admins support labs at their institutions, motivating participation and tracking progress. Get tools and guidance for success.
Our team’s work in the challenge not only freed up valuable storage space but also became a powerful team-building exercise. It was a moment where everyone came together to tackle the challenge, reinforcing the idea that sustainability is a shared responsibility.
Access everything you need to compete successfully and maximize your lab’s sustainability impact.
Learn how to earn points and win awards with sustainable cold storage practices.
Find out about lab and organization awards for top-performing teams.
Access templates, graphics, and promotional materials to spread the word and boost engagement.
Join thousands of labs improving sustainability through smarter cold storage management.
Learn sustainable practices to optimize your freezers and refrigerators for the Challenge.
The Freezer Challenge inspires labs worldwide to embrace energy-efficient cold storage practices, uniting a growing global community committed to sustainability.
participated in the Freezer Challenge worldwide in 2024.
of cold storage were optimized for sustainability.
engaged globally, driving collective impact.
The Freezer Challenge is coordinated by My Green Lab and I2SL, with support from sponsors committed to sustainable labs.
