Tempest Variable Speed 1.5 HP Fan

You don’t always have to sacrifice performance for the convenience of an electric powered positive pressure ventilation fan. Our American-made Variable-Speed Fan closes the CFM gap between gas and electric.

Equipped with a massive 2.0 HP motor, paired with our signature blade and shroud design, the VSR delivers the absolute best in GFCI compatible performance. If you’re looking to go electric but don’t want to sacrifice airflow, this fan is the answer.

Reliable, High-Powered Operation

Experience power, durability, and unmatched performance with the Variable-Speed Fan, designed specifically for positive pressure ventilation (PPV/PPA).

AirFlex Composite Impeller

Choose from 16”, 18”, 21”, or 24” AirFlex Fiberglass Reinforced Polyamide Blades to maximize air volume, velocity, and pressure with the uniquely designed composite blades that enhance safety by disintegrating upon impact, preventing hazardous fragmentation common in metal blades.

Robust Welded Steel Frame

Engineered with precision, the welded steel roll cage frame boosts strength-to-weight ratio by up to 30%, eliminating maintenance hassles from loose nuts and bolts and offering superior protection for motors and shrouds.

Ergonomic Design

Perfected over three decades of rigorous research, testing, and refinement, the ergonomic frame provides effortless lifting, carrying, and transport with strategically placed handles.

Quick Foot-Operated Tilt

Instantly adjust fan angles (-5° to +15°) with secure, intuitive foot operation—no knobs or levers needed.

GFCI/NEMA 4 VARIABLE-SPEED DRIVE

This GFCI compatible, NEMA 4 rated control box is durable, reliable and easy to operate. The 0 – 100 Rheostat knob and On/Off toggle are all it takes to operate the unit quickly and effectively.

Durable Non-Pneumatic Wheels

Navigate stairs, curbs, hoses, and rough terrains effortlessly with robust 8” non-pneumatic wheels. Stability is enhanced by anti-vibration rubber feet, eliminating unwanted movement during operation.

Turbo 2000 Shroud

Optimize airflow velocity by up to 30% with the redesigned Turbo 2000 Shroud, delivering powerful and sustained PPV pressure precisely where needed.

Convenient Foldable Handle

Move swiftly and comfortably with the foldable, full-width handle, which securely locks upright and neatly folds down for compact storage.

Dual-Step Foot Adjustment

Adjust effortlessly from multiple positions with the dual-foot-operated tilt mechanism, ensuring ease of use under demanding conditions.

Enhanced Safety Grille

Continuous spun wire grilles at front and rear, strengthened by eight tie-point bars, maintain structural integrity and adhere strictly to European CE Safety Standards.