Thermo Scientific™ TSX Series Ultra-Low Freezers
Protect your samples and drive energy efficiency with freezers that adapt to your environment.

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Excellent performance
Hypertension and Vascular research.
Very Sensitive and accurate. The only comments i want to share is, temperature drop very quick when the door is open even for one minutes. The good thing is it revert back too quickly if closed promptly.
Review Date: 19 Jun 2023 | Thermo Fisher Scientific
Great Freezer
Sample Storage
The TSX series ultra-low -80 freezer is a top-of-the-line freezer that provides excellent performance and features. In my opinion, it is one of the best ultra-low temperature freezers on the market today. One of the most notable features of this freezer is its low noise level. It operates at a noise level of just 48 decibels, which is barely noticeable. This is particularly important in laboratory environments, where noise can be a major distraction. Another great feature of the TSX series freezer is its Wi-Fi connectivity. This allows users to remotely monitor the freezer's performance and temperature from a smartphone or computer. This is particularly useful for researchers who need to monitor their samples around the clock. The TSX series freezer is also incredibly energy-efficient, with a high-quality insulation system that helps maintain a consistent temperature even during power outages. It is also designed to minimize frost buildup, which helps extend the life of the unit. Overall, I would highly recommend the TSX series ultra-low -80 freezer to anyone in need of a high-performance freezer that is both quiet and energy-efficient. Its Wi-Fi connectivity is also a standout feature that makes it a great choice for researchers who need to monitor their samples remotely.
Review Date: 23 Mar 2023 | Thermo Fisher Scientific
Good freezer with one big problem
Ultralow temperature freezer storage
Bought this -80C freezer from Thermo-Fisher at a deep discount, but soon found out why it was discounted. Over time the temperature reading drops because the sensors inside are faulty and it has to be reset. When I say reset, I mean clear, thawed, and reset. It has happened twice within the first 3 years and now I am very paranoid about opening it at all. The temperature inside is actually fine, but the fan runs constantly and which causes the sensors to warm up more and the alarm goes off constantly. Because it can be reset this way, they don't want to service it, but that is several days of lost work just moving things in and out of freezers, not to mention the risk of freeze/thawing reagents. Two other labs within the same building have the same freezer and the same problem. Other than that, it is a good freezer, so hopefully, they have fixed this issue with newer models.
Review Date: 13 Feb 2023 | Thermo Fisher Scientific
Our new go to brand! Most energy efficient of its kind
Frozen Sample Storage
I like the option for energy usage by the unit: either a value added energy reduction or a high performance that reduces the amount of condensation/frost buildup at the door. I also like the easy to use signal handle design of the door and the nonlocking inner doors, it allows for quick retrieval and stocking to prevent temperature loss.
Review Date: 17 Nov 2022 | Thermo Fisher Scientific
Compact -80C that maintains temp well. Too deep for ease of sample retrieval.
Cold storage for samples and reagents
TSX -80C freezer is user friendly. In comparison to older models it has a small footprint. The downside to this being, the freezer is very deep. Samples not placed in a rack system are impossible to see or get to if near the back of the freezer.
Review Date: 23 Jul 2021 | Thermo Fisher Scientific
Great freezer, but the monitoring system needs serious improvement.
Storage of samples
Remote monitoring system built into the freezer. It is difficult to configure the alarm system. The messages I receive each day overwhelm my mail box.
Review Date: 3 Jul 2020 | Thermo Fisher Scientific
Quiet, efficient and monitored storage of precious DNA samples for the laboratory!
Protection of DNA for long term storage
The freezer has a wonderful screen on the outside of the door to monitor/chart any drops in temperature. It is also easy to organize with the metal pull-out storage trays that efficiently store multiple samples in an organized fashion. We were pleased that it comes with a lockable door to secure samples if needed.
Review Date: 21 Nov 2019 | Thermo Fisher Scientific
Safe and reliable, quiet, and efficient.
Store clinical samples at -80C
Easy to use, touchpad interface allows you to control entry and analyze how the freezer has been performing. Very quiet and could be kept in a lab without disturbing researchers.
Review Date: 25 Oct 2018 | Thermo Fisher Scientific
Very nice freezer with a long warranty on the compressor.
Tissue specimen sample storage
Very big and quiet freezer ultra low freezer. The touchscreen is very easy to use and provides a nice summary of any alerts it encounters (open door, temperature drops, etc..). The freezer is also very quiet and best of has a long 12 year warranty on the v drive compressor.
Review Date: 24 Aug 2018 | Thermo Fisher Scientific
The ENERGY STAR® certified Thermo Scientific™ TSX Series ultra-low freezers are designed to meet the highest standards in reliability, sustainability, and temperature management. At the heart of the TSX Series is V-drive technology, designed to adapt to user patterns, substantially reducing energy and HVAC (Heating, ventilation, and air conditioning) costs without compromising performance. All TSX Series freezers are manufactured in a zero-waste facility and are built with natural refrigerants and water-blown foam insulation, compliant with the U.S. EPA’s Significant New Alternatives Policy (SNAP), the European Union’s F-Gas compliance and other sustainability standards.
Performance
- No need to worry about where your samples are stored within the freezer. With peak variation less than 5°C, your samples are protected and safely stored throughout the entire cabinet space
- Long warm-up time from -50°C to -80°C: 5.05 hours
- Quiet enough to reside directly in the laboratory, rather than in the hall. At just 45.5 dBA, the TSX Series’ sound level is comparable to a home refrigerator
- V-drive’s adaptive control is designed to detect usage patterns such as door openings when a higher compressor speed is needed and periods of stability where the compressor runs at a lower speed, saving energy without compromising protection
Sustainability
- TSX ULT portfolio is ENERGY STAR® certified providing significantly increased energy savings and decreased operational costs
- Natural refrigerants and water-blown foam insulation, making the TSX Series compliant with the U.S. Environmental Protection Agency’s Significant New Alternatives Policy (SNAP), the European Union’s F-Gas and other sustainability standards
- Manufactured in an award-winning, zero-waste to landfill facility
- Lower HVAC costs as a result of less heat emission into the environment
User Friendly
- Newly re-designed touch-screen user interface with easy-to-use: set-up wizard, event log, temperature mapping and data downloads via a built-in USB port
- Eliminate the need for a separate chart recorder with the touch-screen’s datalogging and temperature mapping features, all exportable via a built-in USB port
- Ergonomic design including comfortable door handle, eye-level touch-screen and shelf-level placement that don’t require floor-level loading of racks
- Four capacities (400, 500, 600 and 700 2-inch box) to accommodate a variety of storage needs and lab footprint specifications
- Compatible with most racking systems including a full range of Thermo Scientific™ racks for boxes, microplates, Thermo Scientific™ Matrix™ and Nunc CryoBank™ tubes
- Security features including alarm settings, padlock-compatible doors, and optional access card entry
Brochures
TSX Universal Series ultra low temperature freezers
Explore the environmental benefits of the Thermo Scientific™ TSX™ Universal Series ultra-low temperature (ULT) freezers. These ENERGY STAR-certified freezers have adaptive V-drive technology for reduced energy consumption. They also feature lower noise levels, recycled materials, less hazardous refrigerants, and an extended warranty for sustainable, efficient, and reliable sample storage.
Five reasons to consider Thermo Scientific ULT freezers
In this product brochure, Thermo Fisher Scientific details five reasons for choosing its ultra-low temperature (ULT) freezers. The brochure traces the company's cold storage journey back to the introduction of the Thermo Scientific™ ULT freezers in 1940. Thermo Fisher Scientific highlights its continuous evolution, drawing on expertise from renowned brands such as Thermo Scientific Revco™, Forma™, Jewett™, and Harris®, allowing it to pioneer cutting-edge technology from the ground up.
Thermo Scientific™ TSX Series Ultra-Low Freezers
Designed to meet the highest protection and sustainability standards for storage at ultra-low temperatures
Five reasons for choosing greener cold storage lab equipment
Discover a greener option for your cold storage with recyclable materials from Thermo Fisher Scientific. These green refrigerants are energy efficient, have been certified by ENERGY STAR®, and carry the My Green Lab® Accountability, Consistency, and Transparency (ACT®) label to provide clear, third-party verified information about the environmental impact of our equipment. Explore five reasons for choosing greener cold storage lab equipment, including less waste, responsible packaging and more energy efficiency.
Cell culture contamination prevention
Contamination remains a significant challenge in cell culture laboratories worldwide, impacting on time management, financial resources, and even the credibility of research laboratories. Explore the various types of contamination and their potential impact on cell culture. Learn how to minimize the contamination risk in your lab and find out how to select the most suitable lab equipment and consumables throughout the cell culture workflow.
Keep your samples fresh with laboratory refrigerators and freezers
Protect your precious samples this season with Thermo Fisher Scientific's cool promotions! For a limited time, you can save 35%* on the Thermo Scientific™ TSG Series general purpose laboratory refrigerators and freezers range and great savings* are also available on the Thermo Scientific™ TDE Series Ultra-Low Temperature Freezers.
Reliable biobanking for medical research across South Africa
In this case study, discover how the National Health Laboratory Service (NHLS) Biobank in Johannesburg helps secure and manage collections of biomaterials and their associated data for research, human health, and biotechnology development.
What makes your facility a biobank?
In this poster from Thermo Fisher Scientific, discover what a facility requires to be considered a biobank.
SmartNotes: Ultra-Low Freezers
Switching to −70°C for ultra-low freezers can reduce energy, but is that safe for your samples? Find out more in this download.
Thermo Scientific™ Ultra-Low Temperature TSX Series Freezers
In order to achieve what is fast becoming a tall order for ultra-low temperature (ULT) freezers, designers and manufacturers have had to develop innovative technologies to provide laboratories and scientists with devices that meet the demands of modern research.
Thermo Scientific™ Ultra-Low Temperature TSX Series Freezers
Laboratories are reliant upon the capability of freezers to reach exceedingly low temperatures (down to -80°C), in order to reduce any biological activity or preserve structural integrity within a sample, while simultaneously ensuring that they remain viable once thawed. The Thermo Scientific TSX ULT freezer has been designed to ensure that your samples are always secure from temperature fluctuations thanks to the V-drive, its variable speed compressor capable of quickly recovering from door opening and other heat loads. This white paper presents the features of the TSX ULT freezer and explores how it can aid laboratory work.
Thermo Fisher Scientific biobanking equipment
This video from Thermo Fisher Scientific highlights its range of biobanking equipment offerings. Its biobanking equipment includes sample collection, preparation and automation equipment, cost storage solutions, wireless monitoring, tubes, vials, containers, reagents and biobanking services.
Thermo Fisher Scientific and My Green Lab collaborate to expand use of ACT Label in driving environmentally sustainable lab practices
Over 1,200 products are to be identified for environmentally friendly capabilities and sustainability objectives
New ultra-low temperature freezers meet the highest protection and sustainability standards
Thermo Scientific TSX Series ultra-low temperature freezers reliably preserve stored materials in an environmentally and user-friendly design
New Ultra-Low Temperature Freezers Offer Outstanding Sustainability and Sample Protection
Energy usage reduced by up to 50 percent compared to conventional refrigerant ultra-low freezers
Transforming Customer Needs by Accelerating Innovation
Instruments designed to meet the demand for enhanced productivity displayed at analytica

























