Quietcool AFG SMT PRO-3.0 Smart Attic Fan for Gable Vents – 2940 CFM, App Control, Thermostat & Humidistat

Powerful, adaptable attic ventilation

The Quietcool AFG SMT PRO-3.0 is designed for gable vents, delivering robust airflow with smart controls. Its two-speed PSC motor and efficient electronics move air where it matters, helping manage attic heat and moisture while blending into home comfort routines. Built for easy setup, this unit aims to be a practical upgrade in spaces that experience bright sun and summertime heat.

Smart features that adapt to your space

The integrated thermostat and humidistat connect to a companion app for automated operation. Set preferred humidity thresholds or temperature ranges, and the fan responds to real-time conditions, helping you maintain attic conditions without constant manual adjustments.

• App-based scheduling and auto-operation for hands-free comfort
• Two speed options to balance airflow and energy use
• Built-in safety features for extra peace of mind

Easy installation and solid build

With plug-and-play wiring and a 20 ft power cord, installation is flexible and quick—no attic rewiring required. Built-in mounting tabs and anti-vibration pads reduce noise and vibration, while vent covers help prevent backdrafts from compromising attic sealing.

• Plug-and-play installation reduces setup time
• Up to 2940 CFM on high at 264 watts; 1650 CFM on low at 191 watts
• Built-in fire safety shut off
• Vent covers included to block air from backdrafting

Real-world comfort and efficiency

In warm climates, continuous attic airflow can help reduce heat transfer into living spaces, potentially supporting cooler rooms in summer. The humidistat helps manage attic moisture, while the 20-foot cord offers placement flexibility that fits various attic layouts.