





Blizzard VFTNU-99729VFT
-80°C Ultralow Freezer
ELECTRICAL VERSATILITY | TOUCH SCREEN CONTROLS | VERY LOW NOISE LEVEL | EXTENSIVE DATALOGGING
The NU-99729VFT Blizzard™ plugs in to nearly any laboratory with its ability to operate on a spectrum of electrical currents from 100-230V/50-60Hz and connect to them through a broad choice of power cords. Users can prioritize tight governance of the inner temperature by using the freezer in High Performance mode or use the more forgiving Energy Saving mode to prioritize efficiency. This model’s computer economizes energy use by turning the compressors on and off at the ideal times, which also serves to minimize the noise output. Samples are safely stored on steel shelves inside the freezer behind not only a quadruple-gasketed outer door but also a set of four single-gasketed and insulated inner doors. The outer door perimeter is implanted with heated elements that keep ice and frost buildup under control. Beyond its modern aesthetics, the touch screen allows users to easily review records of not only the freezer’s operation but also a summary of the storage and withdrawal of the numerous samples kept inside. Short-term performance is graphed on screen while long term data is downloaded via a USB port.
Request a QuoteA FREEZER MADE FOR VERSATILITY
Products
Quick Specs
2-inch Box Capacity | 500 |
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Rack Capacity | 20 |
Temperature Accuracy °C | Inquire |
Temperature Control | Microprocessor Controller |
Temperature Uniformity °C | +1.3/-1.8 |
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Features
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Specs
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Options & Accessories
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Resources

keep your finger on the pulse.
TOUCH SCREEN CONTROL
The NU-99729VFT offers a modern interface to the modern laboratory that displays the most important information on screen and quick access to four submenus for monitoring and configuration. Choose your set points, record sample deposits and withdrawals, graph temperature history, or download the logs for nearly any aspect of your freezer’s operation in just a few quick finger presses.

GO AHEAD. GET "INTO THE WEEDS" ON US.
INTERACTIVE ON SCREEN GRAPH
Press the tab to view the temperature graph for the last 2 hours, day, week, or month or type in your own custom timeframe to chart the most relevant data range. From whichever one you start, continue by using your fingers on the screen to zoom in, zoom out, scroll or choose a specific moment in time and drill down to the exact temperature reading you are looking for. Finally, download years of data via the side USB port.

A MULTI-LAYERED DEFENSE AGAINST TEMPERATURE LOSS. <br>
INSULATED & GASKETED DOORS
The outer freezer structure combines VIP and polyurethane foam to insulate the main chamber. The outer door uses quadruple gasketing to defend against the loss of cold air, while the four inner doors not only compartmentalize the interior during door openings but also provide a second line of defense through their own insulation and single gasketing. The outer door perimeter is implanted with heated elements that keep ice and frost build up under control to keep your samples isolated inside.
ONE FREEZER SIZE FOR MULTIPLE ELECTRICAL CONFIGURATIONS.
AVAILABLE SIZE AND ELECTRICAL COMPATIBILITY
MODEL |
VOLUME |
VOLTAGE |
NU-99729VFT | 729L (25.75 ft3) | 100- 230V/50-60Hz |

PLUG IN ANYWHERE AT 100-230v/50-60hz.
MULTIPLE POWER CORD OPTIONS
115V NEMA 5-20P (20A) |
220V NEMA 6-15 (15A) |
240V UK Type G Power Cord (16A) |
250V EU Type C Power Cord (16A) |
125V US Power Cord (20A) |
125V US Power Cord (15A) |
CALCULATE YOUR STORAGE CAPACITY.
AVAILABLE STORAGE CAPACITY
MODEL |
RACK1 |
RACKS PER FREEZER |
BOXES PER RACK |
SAMPLES PER BOX |
SAMPLES STORED |
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NU-99729VFT | 552 | 20 | X | 25 | X | 100 | = | 50000 |
1 Rack part numbers must be prefixed with LUT-UFDR-_ _ _
The NuAire© Advantage
NuAire® utilizes an independent network of sales and service professionals offering our customers a vast array of knowledge and relationships. Our inside sales and service teams are the pride of the industry; some of which have been with NuAire® since the beginning in 1971. We work hard and diligently to make you happy. That is our mission, and that is why we come to work every day. Purchase a NuAire® and become part of our family.
Warranty
Backed by the Industry's Best
- 5 Years & Labor (United States and Canada)
- Consult Local Distributor (Global)
Standard Features
- Operating Voltage & Frequency of 100-230V/50-60Hz
- Touch Screen Control System
- Summary of Sample Deposits and Withdrawals
- Extensive Datalogging Capabilities
- Temperature Range of -40°C to -86°C
- R290 and R170 Refrigerants
- Main Insulation with VIP and Polyurethane Foam
- Steel Exterior Walls
- Steel Interior Walls
- Access Ports on Back Wall
- Castors and Leg Levelers
- Quadruple Outer Door Gasket
- Single Inner Door Gasket
- Inner Door Insulation with Polyurethane Foam
- Stainless Steel Shelves
- Pass Code Protection
- Audible and Visual Alarms
- Battery Backup for Power Failure Alarm
- USB Download Port for Datalogging
- Vacuum Relief Port
Est. Shipping Width Inches (mm) | 43 (1092) |
1 Minutes Door Open Recovery Time (25°C ambient running temp -75°C) in Minutes | Inquire |
2-inch Box Capacity | 500 |
Est. Shipping Height Inches (mm) | 84 (2137) |
Est. Shipping Depth Inches (mm) | 43 (1092) |
Access Port Location | Back Wall |
Adjustable High/Low Temperature Alarms | True |
Alarms | Internal Temperature, Power Failure, Probe Failure, Hot Condenser, Ambient Temperature, Door Ajar, Low Battery, etc. |
Ambient Temperature (°C) | 10 to 32 |
Auto Voltage Safeguard | Inquire |
Back Up Battery for Alarm Functions | Maximum load:3 0VDC, 2A Rechargeable battery: 12 VDC, charges automatically Lithium battery |
Cabinet Thickness Inches (mm) | 90 |
Casters | 4 |
Compressor Capacity Watt | Inquire |
Compressor Type/Brand/Number | Fully closed /SECOP/2 NLV12.6CN |
Condenser Type | Finned Coil |
Cool Down Time (25°C ambient to -80°C) in Minutes | 280 |
Data Output Features | USB, RS-485 |
Defrost Method | Manual |
Door Thickness Inches (mm) | 90 |
Electrical Configuration | 100V5060Hz, 115V60Hz, 115V50Hz, 220V60Hz, 230V50Hz, 230V5060Hz |
Electric Protection Type | Class I |
Evaporator Type | Copper Tube |
Exterior Depth Inches (mm) | 38.9 (998) |
Exterior Depth with Door Open Inches (mm) | 74.8 (1900) |
Exterior Door | Single Door |
Exterior Door Seal | Quadruple Seal on the Outside Door |
Exterior Height Inches (mm) | 78 (1980) |
Exterior Material | Coated Cold Rolled Steel / Electric Plated Zinc |
Exterior Width Inches (mm) | 41.2 (1046) |
Fan Brand | Inquire |
Footprint Depth inches (mm) | 38.9 (998) |
Footprint Width inches (mm) | 41.2 (1046) |
Inner Doors | 4 |
Insulation | Vacuum insulated with polyurethane foam (non-CFC) |
Interior Depth Inches (mm) | 28 (716) |
Interior Door Seal | Single Seal on all Interior Doors |
Interior Height Inches (mm) | 51 1/2 (1310) |
Interior Material | Coated Cold Rolled Steel / Electric Plated Zinc |
Interior Volume Cubic Feet (Liters) | 729L |
Interior Width Inches (mm) | 30 (766) |
Leg Levelers | 2 |
Locking Mechanism | Key |
Net Weight lbs (kg) | 771 lbs (350 kg) |
Performance Standard | Energy-Star |
Power Switch | On-Off |
Rack Capacity | 20 |
Refrigerant Charge/Flammable | R170 / R290 |
Refrigeration System Type | Inquire |
Remote Alarm Terminals | Standard |
Setpoint Security | Yes |
Shelf Capacity lbs (kg) | 100 (50) per shelf |
Shelf Depth Inches (mm) | Inquire |
Shelf Material | Stainless Steel |
Shelf Width Inches (mm) | Inquire |
Shelves | 3 Shelves |
Est. Shipping Weight lbs (kg) | Estimated 881 lbs (400 kgs) |
Sound Level | 43.5 dB(A) |
Style | Upright |
Temperature Accuracy °C | Inquire |
Temperature Control | Microprocessor Controller |
Temperature Range °C | -40 to -86 |
Temperature Sensor Type | RTD (Pt100) |
Temperature Uniformity °C | +1.3/-1.8 |
Warm-Up Time (25°C ambient -80°C to -50°C) in Minutes | 280 |
NuAire Accessories
REQUEST A QUOTE
PLEASE FILL OUT THE FORM AND WE’LL GET TO WORK ON GETTING YOU WHAT YOU NEED.
How it works. NuAire sells through a network of knowledge representatives, some who have been selling and servicing NuAire since our inception in 1971. We’ll notify your local representative who will reach out to you. He/She can assist with product selection/configuration, training, installation guidance, support throughout the life of the product, or just provide you pricing in a quick manner. We have some of the best customers who are doing some groundbreaking work. We would love for you to join our family and experience the NuAire Advantage.
Why Your Colleagues Choose NuAire
Let me say that we have come to rely on Nuaire, as a strong partner to Vaccines & it is so because of our valued relationship with George Riley, who is always at our beck and call. God bless him (Keep him for Sure!!) & your Quality BioSafety Cabinets. Service is King & Quality is his side-kick!! So thank you! We look forward to a long and prosperous relationship. Keep up the good work & quality build.