Global Cooling
Global Cooling, Inc. manufactures and sells Stirling Ultracold freezers, a new generation of environmentally friendly ultra-low temperature freezers which operate at or below -80°C. These freezers do not use compressor-based or cascade refrigeration systems. They use patented free-piston Stirling engine technology developed for critical energy, aerospace and industrial applications
 
These freezers do not use liquid nitrogen, Peltier or conventional cascade refrigeration systems. Instead, the Stirling Ultracold freezers operate with free-piston Stirling cooling engines developed and manufactured in the USA by Global Cooling.
 
Humm Technology
 
Global Cooling’s HUMM™ free-piston Stirling technology employs the Stirling cycle in which helium is cyclically expanded and compressed. Global Cooling’s free-piston machines are hermetically sealed at the factory and driven by an integral linear motor. There are no life limiting bearings and seals. All moving components are supported by non-contact gas bearings and no oil is used.

Stirling Ultracold ultra-low freezers are available directly from Global Cooling and sold worldwide to life science, pharmaceutical, biomedical/clinical and biotechnology customers.
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Global Cooling
Global Cooling, Inc. manufactures and sells Stirling Ultracold freezers, a new generation of environmentally friendly ultra-low temperature freezers which operate at or below -80°C. These freezers do not use compressor-based or cascade refrigeration systems. They use patented free-piston Stirling engine technology developed for critical energy, aerospace and industrial applications
 
These freezers do not use liquid nitrogen, Peltier or conventional cascade refrigeration systems. Instead, the Stirling Ultracold freezers operate with free-piston Stirling cooling engines developed and manufactured in the USA by Global Cooling.
 
Humm Technology
 
Global Cooling’s HUMM™ free-piston Stirling technology employs the Stirling cycle in which helium is cyclically expanded and compressed. Global Cooling’s free-piston machines are hermetically sealed at the factory and driven by an integral linear motor. There are no life limiting bearings and seals. All moving components are supported by non-contact gas bearings and no oil is used.

Stirling Ultracold ultra-low freezers are available directly from Global Cooling and sold worldwide to life science, pharmaceutical, biomedical/clinical and biotechnology customers.

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