Stirling Ultra-Low Temperature Freezers

Stirling Ultra-Low Temperature Freezers

Performance storage solutions for research labs and clinical trials

Achieve piece of mind and comprehensive cataloging with Global Cooling, Inc.’s Stirling Ultracold ultra-low temperature (ULT) freezers, featuring innovative free-piston Stirling engine cooling systems.

Featured Freezers

Long-term storage tubes

Store aliquots forever with LVL technologies’ 2D Long-term Sample Storage solutions. Explore traceable, trackable, stackable storage solutions optimized for your every need.


Portable/Deployable Model ULT25NEU

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Ultra-Low Temperature Storage Anywhere. Ideal for clinical storage of temperature-sensitive medications and treatments, the Portable/Deployable Model ULT25NEU is the only portable ULT freezer solution available today for bringing ULT storage to the patient. Instill confidence through safely preserving your biologic drugs at clinical sites. At only 46 lbs., this optimized freezer easily ships globally and is great for point of use storage across diverse sites. Plug into any AC or 12V DC outlet worldwide to simply engage the industry’s widest temperature range (-20°C to -86°C). Optional wireless temperature transmissions to easily monitor samples.

  • Weighs only 46 lbs. (21 kg)
  • Available with SenseAnywhere Wireless Temperature Monitoring and Logging
  • Universal input power from standard AC mains to Vehicle-based 12V DC
  • Industry’s widest temperature range:  -86°C to -20°C
  • Small footprint with storage capacity for 18 standard 2″ boxes
  • 100% natural refrigerants, SNAP-compliant
  • Ideal for clinical trials


Upright Model SU780XLE

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Use 70-75% less energy, with the industry’s-best ultra-low cooling performance. This industry-leading upright model delivers strategic advantages across your entire research organization. The Ultracold SU780XLE is the most reliable and energy-efficient upright ultra-low temperature (ULT) freezer available. Traditional compressor technology is a fail-risk, putting your precious samples in danger; Stirling engine technology outlasts compressors to keep your samples safer. Reduce energy use and save valuable laboratory space with this Energy Star registered model showcasing the largest storage capacity per square foot of floor space.

  • +/- 1°C steady-state temperature variation over time
  • Faster initial pull-down, ambient to -80°C, <6.5 hours
  • Fastest door opening temperature recovery, 35 mins to -80°C
  • Real-time temperature display
  • Largest storage capacity per square foot of floor space
  • Plugs into any outlet
  • 100% natural refrigerants
  • Wider temperature range, maintain temperature setpoints anywhere between -86°C to -20°C
  • No compressors to fail

Compact, Undercounter

Undercounter Model SU105UE

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Compact ultra-low freezer ideal for bench-side personal storage. The space-saving SU105UE delivers full performance ultra-low storage for benchtop, stacked installations or undercounter freezer setups. Construct flexible, dense storage fit to your needs with this space-saving size. This model boasts the industry’s widest temperature range (-86°C to -20°C), with the lowest energy consumption (<4 kWh/day @ -80°C) and smallest footprint in its class. Store more samples within a smaller footprint, and secure individual storage for researchers or teams.

  • No compressors – Stirling Engine Technology
  • Stable Operation from -20°C to -86°C
  • Can plug into any outlet, eliminating the cost of converting
    an outlet to 240V
  • 100% natural, SNAP-compliant refrigerants
  • Industry’s best warranty (7 year engine warranty)
  • No surge currents, no oil, low maintenance
  • 105 liters (3.7 cubic feet) storage capacity

Sample Storage

2D Long-term Sample Storage

You need unique solutions for high-quality long-term storage of biomaterials.

Shop LVL technologies’ 2D Long-term Sample Storage solutions for Biobanking, Compound Management, and more.