Freezers

Laboratory freezers provide controlled low-temperature storage for biological materials, research samples and other temperature-sensitive inventory. The current selection includes general laboratory freezers operating in ranges such as −10°C to −40°C and ultra-low-temperature models reaching −86°C, with upright and chest configurations available.

Select a freezer according to the required storage temperature, usable capacity, cabinet configuration, electrical requirements and sample-access pattern. Also consider temperature alarms, monitoring connections, backup systems, recorders and compatible storage racks or boxes when the workflow requires documented conditions or additional sample protection.

For continuous tracking of temperature, humidity or equipment status, review Laboratory Remote Monitoring Systems. Confirm sensor, communication and instrument compatibility before selecting a monitoring system.

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Frequently Asked Questions

What temperature freezer is required for vaccine storage?
Vaccine storage temperature depends on the specific vaccine and its current manufacturer instructions. CDC guidance states that many vaccines require refrigeration at 2°C to 8°C rather than freezing, while frozen vaccines may require −50°C to −15°C and some ultra-cold products may require −90°C to −60°C. Verify the vaccine’s prescribing information and applicable CDC guidance before selecting a refrigerator or freezer.
What is an ultra-low-temperature freezer?
An ultra-low-temperature freezer is designed for storage below the range of standard laboratory freezers. McQueen’s current ULT selection includes models with operating ranges extending from approximately −40°C or −50°C down to −86°C. Selection depends on the required setpoint, cabinet capacity, upright or chest configuration, electrical service, monitoring requirements and sample-access pattern.
How does a laboratory freezer differ from a household freezer?
Laboratory freezers are specified for defined storage temperatures and may include features such as high- and low-temperature alarms, access controls, monitoring outputs, recorders and compatible backup systems. These functions support controlled sample storage and documented temperature conditions. Evaluate the individual model specifications because available features vary by freezer series and configuration.