Cold storage solutions, especially ultralow temperature (ULT) freezers, are indispensable for labs that store biological samples and other temperature-sensitive materials, but they are also very energy-intensive. To support a shift toward greater sustainability in the lab, there are numerous cold storage features and operating practices that can make a big impact on energy consumption.
Several factors contribute to ULT freezer energy consumption, including powerful compressors, nearly continuous operation, and large capacities. Fortunately there are many features and practices that can optimize efficiency.
When purchasing a new freezer, consider several sustainability features like variable speed compressors that respond to cooling demand, high-efficiency insulation that minimizes heat transfer, and automated or adaptive defrost cycles.
How laboratory personnel work with cold storage equipment is as important for sustainability as energy-saving features, making proper training essential. Routine maintenance practices, such as cleaning filters, fans, and vents, ensuring proper door alignment, and preventing ice buildup, are simple steps that can reduce energy consumption. With proper use and smart purchasing decisions, labs can substantially reduce their environmental impact while maintaining the integrity of their valuable samples.
Download the full resource guide to learn:
- An overview of ULT freezer function and tips for proper operation
- Guidance on optimizing cold storage within the context of Green initiatives such as LEAF
- A green practices checklist
- How to create a well-organized freezer to reduce energy consumption
- Advice on finding the right freezer for your lab’s needs
- An overview of sustainability features to look for when purchasing a new freezer
