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Airlift T20 Shutter Exhaust Ventilation Fan 20", Temperature And Humidity Controller 69 PRO

  • Large high-airflow shutter fan designed to remove stale air and ventilate greenhouses, garages, and more.
  • Dynamic temp, humidity, and VPD programming with custom timers and support for up to 4 fans.
  • Connect your mobile device to our app via WiFi to automate and track your building climate from anywhere.
  • IP44-rated frame features steel shutters and fan blades that block debris while resisting moisture and dust.
  • Fan Size: 20” | Dimensions: 23.0 x 23.0 x 11.2 in. | Airflow: 3425 CFM | Noise: 65 dBA | Bearings: Dual Ball


A shutter exhaust fan designed to exchange air in large spaces, improving ventilation in workspaces like warehouses, greenhouses, garages, and workshops. By installing this exhaust fan, you can refresh your workspace and regulate heat, moisture, and odor levels to improve comfort. It is run by a PWM-controlled EC motor that is energy-efficient while enabling precise fan speed control to generate your ideal ventilation level. This fan features an advance UIS controller that not only supports the fan speed control but also dynamic climate and time-based programming. Its heavy-duty build features aluminum fan blades, steel wire guards, and lightweight steel shutters. This product is a part of the UIS™ platform of grow devices and smart controllers, designed to integrate with each other to achieve your ideal environment.


Connect up to four devices to provide each with shared or independent programming. Go beyond basic on/off triggering by setting dynamic programs that adjust fan speed and light intensity in response to changing temperature, humidity, and VPD. Set minimum baseline levels that your devices will constantly run at, only increasing when triggers are activated. Timer, cycle, and schedule modes add custom on-demand activation for a variety of indoor growing uses. Securely connect with the AC Infinity app via Bluetooth or WiFi to remotely access your devices, unlock advance programs, set alarms, notifications, view historical charts, and export CSV data.


Features steel shutters that are weather and corrosion-resistant, automatically closing when not in use to prevent dust, debris, and moisture from entering your space. The blades and impeller are constructed of lightweight aluminum, weight-balanced to reduce vibrations. Utilizing an innovative EC motor that is controlled electronically using PWM (Pulse Width Modulation), the fans can maximize airflow while reducing noise and power consumption. The fully enclosed motor is also permanently lubricated and houses dual-ball bearings that are rated at 67,000 hours. The unit is IP-44 rated to be highly resistant to dust and liquids and performs well even in harsh environments.

 Product Identification
   Manufacturer    AC Infinity Inc.
   Product Name    AIRLIFT T20
   Product Model    AC-ALT20
   UPC Code    819137020955
   Product and Mounting Dimensions - Fan Unit
   Total Dimensions    23.03 x 23.03 x 11.21 in (58.5 x 58.5 x 28.5 cm)
   Frontside Enclosure Dimensions    20.62 x 20.62 in (52.4 x 52.4 cm)
   Required Mounting Hole    22.24 x 22.24 in (56.5 x 56.5 cm)
   Hole to Hole Distance    15.94 x 15.94 in (40.5 x 40.5 cm)
   Screw Hole Size    Ø 0.31 in (Ø 0.8 cm)
   Cord Length to Controller    120 in (10 feet)
   Product and Mounting Dimensions - Controller
   Total Dimensions    3.66 x 3.11 x 0.98 in. (9.3 x 7.9 x 2.5 cm)
   Display Size    3.5 x 1.4 in. (9 x 3.5 cm)
   Sensor Probe Length    144 in. (12 feet)
   Product Performance and Technical Specs
   Total Airflow    3425 CFM
   Total Noise    65 dBA
   Static Pressure    107 Pa
   Operating Voltage    100-240V AC
   Power    230W
   Current    3.2 A
   Operating Humidity    35 to 85% RH
   Operating Temperature    32 to 140°F
   Fan Bearings    Dual Ball
   Life Expectancy    67,000 Hours
   CE Certification (Whole Product)
   CE Certification (Whole Product) PDF  
   Product Manual
   Product Manual
   Installation Manual PDF