The Best U101 Freezers for Your Smart Kitchen.

The figure above shows Global ULT Freezers Market Report 2021 which is experiencing robust growth. 

U101 freezer reviews:

A reviewer assessed the U101 freezer as being of good quality. He noted that the product’s dimensions are unique and attractive as they could be put under the lab desk to optimize the available space in the room. It is not too noisy. The U101 Freezer is fitted with a button on the side to allow an airflow arrival when users want to open the door without damaging the rubber seal.

A second reviewer called the U101 value for money. He termed the equipment as very robust. When the reviewer first purchased it, the freezer was kept at room temperature for more than a year, and after that, it was moved to an air-conditioned room. It survived and is still working after almost eight years.

Another reviewer was impressed by its compactness even though it was a little freezer. Its temperature monitoring feature played a vital role during power failures, and it was perfect for use in a lab as the noise levels were okay.

How reliable is the U101 freezer? 

The Blizzard™ HC VIP NU-99338J

• Overview: This unit from Blizzard trumpets reliable performance and focuses on storing cancer cells, cord blood, T-cells, stem cells, and organ/tissue samples. It is fitted with an eco-friendly hydrocarbon with low emissions while maintaining optimal performance and maximum storage.
• Orientation: Upright Freezer
• 2-inch Box Capacity: 96
• Exterior Dimensions: 32.0” W x 35.2” D x 72.7” H  
• Interior Dimensions: 18.3” W x 24.8” D x 45.9” H
• Temperature Range: 10-32°C
• Volume Capacity: 11.9 cubic ft. (388-Liter)
• Defrost Type: Manual

Blizzard HC VIP NU-99420J

• Overview: It is an environmentally friendly ultra-low temperature freezer with hydrocarbon refrigerants that are non-toxic and non-ozone depleting. This unit is energy efficient therefore minimizing your total cost of ownership overall. It is designed for maximum storage; the freezer is ergonomic and includes a self-checking diagnostic system.
• Orientation: Chest freezer and accessed from the top.
• 2-inch Box Capacity: 27
• Temperature Range: -86°C
• Volume Capacity: 14.8 cubic ft. (420-Liter)

The Eppendorf CryoCube® F740

• Overview: This is a high-quality, full stainless steel freezer with higher capacity. It is designed to store more samples with class-leading security. It is designed ergonomically and supports optimal workflow and energy use. This unit is fitted with a touchscreen display.
• Orientation: Upright freezer with left/right handles.
• Maximum Power Consumption: 10,500 W
• Exterior Dimensions: Not listed.
• Temperature Range: -50°C to -86°C
• Volume Capacity:  740 L (26.1 cubic ft.)
• How much is this U101 freezer worth? Average Cost: $21,000

Innova® U101

• Overview: The Innova ULT freezer is fitted with classic insulation foam and vacuum insulation. This makes it possible to provide durable and long-lasting ULT technology. These units are well suited for a smaller lab or facility and easily fit below a bench. They can also be stackable. The interior is stainless steel for easy maintenance and has a powder-coated exterior.
• Orientation: Upright freezer with left/right handles.
• Maximum Power Consumption: 7,400 W
• Exterior Dimensions: 90 W x 56.6 D cm  
• Temperature Range: -50°C to -86°C
• Volume Capacity: 101 L (3.6 cubic ft.)
• Average Cost: $12,000

CryoCube® FC660

• Overview: This ULT freezer is a chest freezer, which means it is accessed from the top. For this reason, the manufacturer claims to store samples safer than a conventional upright freezer. This freezer is popular because it is rated as energy-efficient, the unit also delivers long-term sample preservation, and it is considered hassle-free. The CryoCube comes with a 2-stage cascade cooling system, which makes it reliable during all cooling processes.
• Orientation: Chest freezer and accessed from the top.
• Maximum Power Consumption: 10,600 W
• Exterior Dimensions: 207 W x 84 D cm
• Temperature Range: -50°C to -86°C
• Volume Capacity: 660 L (23.3 cubic ft.)
• Average Cost: $18,000

Low-Temperature Solid Door Laboratory/Pharmacy Freezers

• Overview: Manufactured by Continental Scientific, these freezers are a more modern choice, equipped with self-closing doors and automatic interior lighting. The units have an external digital thermometer, and their steel shelves are coated with epoxy for ultimate protection. You can choose between three models: 1 section reach-in, 2 section reach-in, and 3 section reach-in.
• Orientation: Upright freezers with left/right handles.
• Defrost Type: Automatic electric.
• Exterior Dimensions: 
  • 1 section reach-in: 85.5” H x 42” D x 31 ⅝” W
  • 2 section reach-in: 85.5” H x 42” D x 64” W
  • 3 section reach-in: 85.5” H x 42” D x 90” W
• Temperature Range: -30°C to -18°C
• Volume Capacity:
  • 1 section reach-in: 65 cubic ft. 
  • 2 section reach-in: 133 cubic ft.
  • 3 section reach-in: 187 cubic ft.

Low-Temperature Glass Door Laboratory/Pharmacy Freezers

• Overview: Also manufactured by Continental Scientific, they are similar to the Solid Door Freezers, but these units feature see-through glass doors instead. These freezers also come in three models: 1 section reach-in, 2 section reach-in, and 3 section reach-in. Enjoying a design similar to their solid-door sibling, complete with the modern style, the Low-Temperature Glass Door freezers are fitted with a thermal expansion valve that manages the refrigerant flow to allow quick recovery.
• Orientation: Upright freezers with left/right handles.
• Defrost Type: Automatic electric.
• Exterior Dimensions: 
  • 1 section reach-in: 85.5” H x 42” D x 31 ⅝“ W
  • 2 section reach-in: 85.5” H x 42” D x 64” W
  • 3 section reach-in: 85.5” H x 42” D x 90” W
• Temperature Range: -24°C to -18°C
• Volume Capacity:
  • 1 section reach-in: 65 cubic ft. 
  • 2 section reach-in: 133 cubic ft.
  • 3 section reach-in: 187 cubic ft.

Frequently Asked Questions:

Q: How does an ultra-low temperature freezer work?

An ultra-low freezer is usually one of two design options; it is either a single high-power compressor hermetically sealed or two cascade compressors. The two cascade model is two refrigeration circuits connected so that the evaporator of one cools the condenser of the other, making possible the condensation of the compressed gas in the first circuit.

There are also air-cooled condensers which are used in laboratory ultra-low freezer systems. They consist of tubular batteries (copper or copper-aluminum) arranged to provide as much surface heat transfer as possible. An energy driven fan forces the circulation of the cooling air and the expansion of the refrigerant fluids is obtained by capillary tubes.

In this configuration, evaporation occurs through steel plate heat exchangers fitted inside the chamber or by a coil. The coil in the cabinet eliminates the efficiency issue in the heat exchange of freezers with the ring in the insulation cavity.

Q: Where is the ultra-low freezer used?

Low-temperature freezers are used for a wide range of applications, such as for biological and biotech storage in research universities, medical centers, hospitals, blood banks, and forensic labs.

An ultra-low freezer is ideal for storing biological samples like DNA/RNA, plant and insect samples, autopsy materials, blood, plasma and tissues, chemicals, drugs, and antibiotics.

Manufacturing firms and performance testing labs also use ultra-low temperature freezers to regulate the ability of products and machinery to perform reliably under severe low-temperature conditions, such as those found in the Arctic regions.

Conclusion:

As expressed, there are a lot of factors to consider when it comes to finding the right ultra-low temperature freezer for your use. You are advised to think about the energy consumption, location for the storage, and what you intend to store in the freezer. All of these considerations will go into the ultimate choice of which ULT freezer you eventually choose to buy.