The Blizzard® NU-99729VFT (variable frequency & touchscreen) −86°C ultralow temperature (ULT) freezer ffrom NuAire plugs into almost any laboratory outlet with its potential to function on a wide spectrum of electrical configurations from 100 to 230 V, 50 to 60 Hz, and 15-20 Amps.

The VFT model features an intuitive LCD touchscreen control center that can catalogue ULT inventory, allows user account creation, graphs past freezer performance, and produces visual/audible alarms. The ultra-silent compressor motor can be set to high-efficiency or energy-saver mode and is Energy Star Certified for US and Canada.

Quick Specifications

Table 1. Source: NuAire, Inc.

Rack Capacity 20*
2" Box Capacity 200*
Temperature Accuracy °C ±1°C
Temperature Uniformity °C ±3°C


A freezer made for versatility.

Image Credit: NuAire, Inc.

*Rack capacity may vary depending on rack manufacturer's specifications

Standard Features

  • Operating voltage and frequency of 100–230 V/50–60 Hz/15-20 A
  • Intuitive touchscreen control center
  • Summary of sample deposits and withdrawals
  • In-depth data logging capabilities
  • Steel exterior walls
  • 4 inner doors insulated with polyurethane foam
  • Electronic control system
  • USB download port for data logging
  • Visual and audible alarms
  • Access ports on back wall
  • R290 and R170 HC refrigerants
  • Temperature range of −40°C to −86°C
  • VIP insulated outer walls
  • Quadruple outer door gasket with single inner door gasket
  • Passcode protection capabilities
  • Vacuum relief port in outer door
  • Battery backup for power failure alarm
  • Stainless steel shelves
  • Castors with front leg levelers

LCD Touchscreen Control

The NU-99729VFT provides a modern interface to the advanced laboratory that exhibits the most essential data on screen and rapid access to four submenus for tracking and configuration. Users are allowed to select a multitude of temperature set points, record sample deposits and withdrawals, graph historical temperature data, and create separate user accounts with different levels of access permissions, download data logs  via USB with a few quick taps of the finger.

Touch screen control.

Image Credit: NuAire, Inc.

Standard Warranty

  • Three year standard warranty for parts and labor in the United States and Canada
  • For international warranty, please consult your local accredited NuAire distributor

Blizzard VFT NU-99729VFT: −80 °C ultra-low freezer

Image Credit: NuAire, Inc.

Blizzard VFT NU-99729VFT: −80 °C ultra-low freezer

Image Credit: NuAire, Inc.