Undercounter, Benchtop, Stackable ULT Storage





Ample Storage Capacity in a Space-saving Design

The Stirling Ultracold SU105UE undercounter ultra-low temperature (ULT) freezer is ideal for bench-side personal storage or for use in areas where larger-volume ULTs are not suitable. This space-saving freezer delivers full-performance ULT storage for benchtop, stacked or undercounter configurations. Boasting the widest temperature range in the industry, the SU105UE undercounter ULT lab freezer is perfect for warming up samples and biologics in stages. It’s the ideal solution to optimize your laboratory floor plan, offering:

  • A space-saving design that doesn’t compromise storage capacity
  • A wide temperature range for transitioning biological materials to warmer temperatures
  • Secure, personalized storage in clinical settings

This stackable model uses the revolutionary free-piston Stirling engine technology found in our SU780XLE upright freezer, offering a highly reliable ULT storage solution with only a few moving parts, no oil and no compressors.

Top Five Rarely Asked — but Important — Questions When Purchasing a New ULT Freezer


Ideal for Research Labs and Clinical Trials Where Space Is Limited

  • Compact, Lightweight and Flexible
  • The unit’s efficient 3.7 cu.ft. (105 L) interior cabinet, matched with a small exterior footprint, saves space in the lab while providing ample storage capacity. Its lightweight design allows for easy stackability or undercounter placement.

  • Plug in anywhere
  • The SU105UE plugs into any 110V–240V outlet, worldwide, eliminating expensive conversions.

  • Widest temperature range
  • Safely store valuable samples from -86°C to -20°C.

  • Remotely Monitor Freezer Performance
  • The unit is available with optional SenseAnywhere technology, which combines wireless sensors and secure cloud storage, to easily monitor and track ULT temperatures from anywhere 24/7.

  • Ultra-low power consumption
  • Designed for space and energy efficiency, the SU105UE uses less than 4 kWh/day at -80°C.

  • 100% natural refrigerants
  • Because it uses 100% natural, SNAP-compliant refrigerants, the SU105UE is environmentally sustainable.

  • Minimize maintenance
  • Since the SU105UE has no compressor, it uses no oil and requires virtually no maintenance.

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