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Thermo TSX3020FD High-Performance -20°C Freezer
Thermo TSX3020FD High-Performance -20°C Freezers are designed are designed for applications in which even slight intermittent coil warming during auto defrost cannot be tolerated. The design supports sample protection and sustainability objectives for the storage of enzymes, reagents, pharmaceuticals, vaccines, biological and other commonly used laboratory and clinical materials.
Thermo TSX3020FD freezer features
The Series' V-drive technology is designed to provide temperature uniformity that continually adapts to user patterns, offering significant energy savings without compromising protection.
Unique V-drive technology 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. Cold wall convection cooling for uniform and stable temperatures. Easy to use microprocessor control with interior light, setpoint security and alarms. Standard door locks provide comfort and assurance.
Ergonomically designed door handle on the Thermo TSX3020FD High-Performance -20°C Freezer with a soft-touch grip. The controller is angled to help prevent neck strain. Automatic pressure equalization port the enables fast reentry. Easy to clean and adjust epoxy coated shelves. Whisper quiet with a sound level of 52 dBA, enabling end users to work alongside the refrigerator without distraction. Self-closing door with 90° stop to assist with inventory loads.
Thermo TSX3020FD freezer specifications
Temperature Range
-25° to -15°C
Capacity
29.2 cubic feet / 827 liters
Display
Microprocessor
Interior Dimensions (D x W x H)
28.5 x 30 x 58 inches (72.3 x 76.2 x 147.3 cm)
Exterior Dimensions (L x W x H)
37.9 x 34 x 78.5 inches (96.2 x 86.4 x 199.4 cm)
Electrical Requirements / Plug Type
208-230V 50/60Hz, 15A / NEMA 6-15
Smart View Compatibility
Smart-Vue Compatible
Refrigerant
R290
Shelves
4
Weight
371 lbs / 168 kg
Shipping Weight (English)
439 lbs / 199 kg
Defrost
Manual
Door Style
Solid
Testing
This Thermo Scientific TSX3020FD is used and reconditioned. Our technicians verify the accuracy of temperature controls and readouts of all freezers, making sure that the units hold temperature to within the manufacturer specified tolerance. We replace any hardware or parts as is necessary and if needed replace refrigerant. We clean all freezers thoroughly prior to shipment.
Pictures
The photos above are representative. Please bear in mind that the equipment shown is currently in storage in our warehouse. In addition to testing each machine we will clean all the equipment thoroughly prior to shipment.
We often have multiple units of each model in stock and sometimes we're unable to feature photos of every single unit. At your request, we can provide photos of the equipment in your order after it has been tested and cleaned.
The Thermo Scientific TSX3020FD is a high-performance -20°C laboratory freezer designed for storing biological samples, enzymes and reagents, and clinical and laboratory materials. It is intended for reliable, long-term cold storage in lab environments.
So what is V-drive technology and why is it a good thing?
V-drive is a variable-speed compressor system that:
Adjusts cooling based on usage patterns (e.g., door openings)
Improves temperature stability
Reduces energy consumption
It helps maintain sample protection while saving energy, meaning that the TSX3020FD uses up to 50% less energy than conventional refrigerant systems. The system runs on R290 (natural refrigerant) for lower environmental impact.
Is the Thermo TSX3020FD freezer frost-free? And how often should I defrost it?
No. It is a manual defrost freezer, so frost will accumulate over time and periodic defrosting is required. Operator guidance and user experience suggest:
Typically 1–2 times per year, depending on usage and humidity
More frequent defrosting may be needed in high-use environments
Manual defrost is necessary to maintain efficiency and temperature stability.
How can I maintain optimal performance of the Thermo TSX3020FD and other laboratory freezers?
Best practices include:
Regular manual defrosting
Cleaning air intake filters periodically
Avoiding frequent door openings
Ensuring proper clearance and leveling
FAQ
Does the equipment come with a warranty?
Yes, all equipment from American Instrument Exchange comes with a warranty. Used/reconditioned/refurbished equipment is tested to make sure it operates to the manufacturer's specifications and comes with a 90-day warranty (unless otherwise noted). New equipment comes with a warranty from the manufacturer.
How do you test and recondition the equipment?
Testing requirements vary across all the equipment categories we sell. Temperature controlled units are tested with NIST traceable probes and data loggers. Gaskets, external housing, glass, handles, controls and control screens are all thoroughly inspected for integrity and functionality. We test all equipment using the manufacturer's parameters and specifications to confirm that the unit operates properly.
How do products ship from American Instrument Exchange?
We can ship products both nationally and internationally using a well-established network of transporters. Smaller items will ship via UPS. Larger equipment will be palletized and shipped either LTL or air-ride, depending on the specific equipment and/or delivery requirements.
Return and order cancellation policy
American Instrument Exchange will accept the return of any product that is not working as represented and could not be replaced or repaired to the customer's satisfaction during the warranty period. Customers who cancel orders after refurbishing has begun will be subject to a cancellation and restocking fee of between 20% and 40%.
Are discounts available for educational or non-profit institutions, or for bulk purchases?
Yes – call or email us today with a list of equipment you're looking for and we can potentially put together a quote that includes a discount.
How does your price matching policy work?
We strive to keep our pricing competitive and reasonable. If you find comparable items for sale at a lower price from other vendors please send us a link and or quote for the item and we'll do our best to match or beat the price.
Can I see the equipment in person before committing to a purchase?
Customers are welcome to make an appointment to view equipment in our warehouse. Given our workload we may not be able to test or clean the equipment prior to your arrival if you have not committed to an order.
1023 Western Avenue is a working warehouse, not a showroom, and customers should dress appropriately and wear closed toe shoes.
Can I ship products that I purchased elsewhere to American Instrument for repair?
Yes – please see our repair services page for more information.
