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Ultra Low Temperature Freezer (ULT Freezer) Suppliers
Updated Sep 21, 2026
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Also known as a ULT freezer and minus 80 freezer, an ultra low temperature freezer is a refrigerator that can achieve -40 C or even lower temperatures. It is widely used in laboratories and hospitals to store biological samples.
Although some models come with only a single powerful compressor, most ultra low temperature freezers boast a cascade refrigeration system that features two cascade compressors for ultra low temperatures.
These compressors use various refrigerants, which are cooling agents responsible for absorbing the heat and generating cool air. Refrigerants used in ULT freezers have low critical pressure and high critical temperature.
Like laboratory freezers, ultra low temperature freezers are used in laboratories to preserve biological samples and drugs where regular kitchen refrigerators can’t do the job. They work in high temperature environments and also allow you to adjust the temperature to keep the samples and stored content safe.
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Laboratory Fridge & Freezer
Medical Fridge & Freezer
Mortuary Fridge & Freezer
Vaccine Fridge
Cardinal Health Australia | Medical Clothing
Headquartered in Dublin, Ohio, Cardinal Health, Inc. (NYSE: CAH) is a global integrated healthcare services and products company, providing customized solutions for hospital systems, pharmacies, ambulatory surgery centers, clinical laboratories and physician offices worldwide. Cardinal Health brings scaled logistics, product, business and patient solutions to help those tasked ...
Headquartered in Dublin, Ohio, Cardinal Health, Inc. (NYSE: CAH) is a global integrated healthcare services and products company, providing customized solutions for hospital systems, pharmacies, ambulatory surgery centers, clinical laboratories and physician offices worldwide. Cardinal Health brings scaled logistics, product, business and patient solutions to help those tasked ...
Ultra Low Temperature Freezer
Ultra Low Temperature Freezer
What is an Ultra Low Temperature Freezer?
An Ultra Low Temperature Freezer is a specialized type of freezer that is capable of maintaining extremely low temperatures, typically ranging from -40°C to -86°C. These freezers are commonly used in scientific and medical research laboratories to store biological samples, such as DNA, RNA, and proteins, as well as vaccines and other sensitive materials. The ultra-low temperatures help to preserve the integrity and stability of these samples, allowing them to be stored for long periods of time without degradation. These freezers are also equipped with advanced safety features, such as alarms and backup power systems, to ensure that samples are not compromised in the event of a power outage or other emergency.
What is the temperature range of an Ultra Low Temperature Freezer?
An Ultra Low Temperature Freezer typically has a temperature range of -80°C to -150°C.
What are the benefits of using an Ultra Low Temperature Freezer?
An Ultra Low Temperature Freezer (ULT) is a specialized freezer that can maintain temperatures as low as -86°C. The benefits of using an ULT freezer include:
- Long-term storage: ULT freezers are designed for long-term storage of biological samples, such as DNA, RNA, proteins, and cells. These samples can be stored for years without degradation.
- Preservation of sample integrity: The low temperatures of ULT freezers help to preserve the integrity of biological samples by slowing down chemical reactions that can cause degradation.
- Increased sample safety: ULT freezers provide a secure environment for storing hazardous samples, such as infectious agents, by preventing their spread and contamination.
- Energy efficiency: Modern ULT freezers are designed to be energy-efficient, reducing energy consumption and costs.
- Remote monitoring: Some ULT freezers come with remote monitoring capabilities, allowing users to monitor the temperature and other conditions of the freezer from a remote location.
- Space-saving design: ULT freezers are designed to maximize storage capacity while minimizing the amount of floor space they occupy.
What size Ultra Low Temperature Freezer do I need?
The size of an Ultra Low Temperature Freezer that you need will depend on your specific needs and requirements. Factors to consider include the amount of samples you need to store, the size of the samples, and the available space in your laboratory or facility. It is recommended to choose a freezer with a capacity that is slightly larger than your current needs to allow for future growth. Common sizes range from 5 to 30 cubic feet, but larger options are also available.
What is the energy consumption of an Ultra Low Temperature Freezer?
The energy consumption of an Ultra Low Temperature Freezer varies depending on the model and size. However, they are known to consume more energy than standard laboratory freezers due to the need to maintain extremely low temperatures. On average, an Ultra Low Temperature Freezer can consume between 10-20 kWh per day.
What type of cooling system does an Ultra Low Temperature Freezer use?
An Ultra Low Temperature Freezer typically uses a cascade refrigeration system, which involves two separate refrigeration cycles working together to achieve extremely low temperatures.
What is the warranty on an Ultra Low Temperature Freezer?
The warranty on an Ultra Low Temperature Freezer varies depending on the manufacturer and model. Typically, warranties range from 1-5 years for parts and labor, with some manufacturers offering extended warranties for an additional fee. It is important to check the specific warranty information for the freezer you are interested in purchasing.
What is the price range for an Ultra Low Temperature Freezer?
The price range for an Ultra Low Temperature Freezer can vary greatly depending on the size, features, and brand. Generally, they can range from $5,000 to $20,000 or more.
How long does it take for an Ultra Low Temperature Freezer to reach its set temperature?
An Ultra Low Temperature Freezer can take anywhere from 4 to 24 hours to reach its set temperature, depending on the size and model of the freezer. It is important to allow the freezer to stabilize at the set temperature for at least 24 hours before storing any samples.
What are the maintenance requirements for an Ultra Low Temperature Freezer?
Ultra Low Temperature Freezers require regular maintenance to ensure proper functioning and longevity. The maintenance requirements include:
- Cleaning: The freezer should be cleaned regularly to prevent the buildup of ice, dust, and debris. Use a soft cloth and mild detergent to clean the interior and exterior of the freezer.
- Temperature monitoring: The temperature of the freezer should be monitored regularly to ensure it is maintaining the desired temperature. Temperature logs should be kept to track any fluctuations.
- Defrosting: The freezer should be defrosted regularly to prevent ice buildup. This can be done manually or with an automatic defrost system.
- Door seal inspection: The door seal should be inspected regularly to ensure it is sealing properly. A damaged or worn seal can cause temperature fluctuations and increase energy consumption.
- Compressor maintenance: The compressor should be inspected and maintained regularly to ensure it is functioning properly. This includes checking the oil level and replacing the oil if necessary.
- Filter replacement: The air filter should be replaced regularly to ensure proper air circulation and prevent the buildup of dust and debris.
- Power supply: The power supply should be checked regularly to ensure there are no electrical issues that could cause damage to the freezer.
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Ultra Low Temperature Freezer Costs and Supplier Insights
The listed price of an Ultra Low Temperature Freezer for sale ranges from $8,000 to $15,000, averaging $11,500.
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