KEN BROWN 18 in Shutter Exhaust Fan, 2450 CFM High Speed - Ventilate

In this review the KEN BROWN 18 in Shutter Exhaust Fan is evaluated as a heavy-duty, wall-mounted ventilation solution for large, stuffy spaces; its single biggest selling point is the strong 2450 CFM airflow that moves large volumes of air quickly. The fan is aimed at homeowners and small business operators who need rapid removal of heat, moisture, dust, or odors from garages, attics, greenhouses, workshops and warehouses, and the review focuses on real-world use, durability, installation and where the fan performs best.

Key Features

• High airflow: 2450 CFM capacity moves heat and moisture out of large spaces quickly, reducing stagnation and odors.
• Durable construction: Aluminum shutters and blades resist corrosion and high temperatures for long service in humid or dusty environments.
• Automatic shutters: Gravity-operated aluminum shutters open with fan operation and close when off to keep debris and pests out.
• Complete power kit: Includes a 1.65m power cord and a 3 ft strain relief clamp with clear instructions to make a straightforward wall-mounted installation.
• High speed motor: 1495 RPM at 120V/60Hz delivers consistent performance for cooling workshops, garages and agricultural buildings.

Who It's For

The fan is best for homeowners, hobbyists and small commercial operators who need a robust, wall-mounted exhaust to ventilate large enclosed spaces such as garages, attics, workshops, greenhouses and small warehouses; its aluminum shutters make it suitable where moisture or occasional wet conditions are present. The strong airflow and durable blades are particularly useful for spaces that build up dust, fumes or humidity and where a simple, gravity-shutter design is preferred.

Those who should look elsewhere include buyers seeking ultra-quiet household fans for living areas or precision climate control systems that require variable speed or thermostat integration; also, if continuous low-speed operation is needed to avoid any motor heat, consider models with PWM speed control or purpose-built HVAC fans.

Pros & Cons

Pros

• Powerful 2450 CFM airflow effectively clears heat and odors from large spaces.
• Corrosion-resistant aluminum shutters and blades hold up in moist or dusty environments.
• Gravity-operated shutters add protection and improve energy efficiency when the fan is off.
• Included power cord kit and clear instructions make wall installation easier for a DIYer.

Cons

• Motor can run hot under heavy or continuous use, so it may not suit applications that demand cool-running continuous ventilation.
• Not a drop-in solution for noise-sensitive living areas since it is a high-speed industrial-style fan.

Specifications

Size	18 in shutter fan
Airflow	2450 CFM
Voltage / Frequency	120V / 60Hz
Motor speed	1495 RPM
Shutter / blade material	High-grade aluminum
Power cord	1.65 m included with 3 ft strain relief clamp

Our Verdict

The KEN BROWN 18 in Shutter Exhaust Fan is a practical, value-oriented choice for garages, workshops, greenhouses and similar spaces where high-volume ventilation and corrosion resistance matter. Its strong airflow, automatic shutters and included power kit make it an efficient, durable option for DIY installation, though buyers should not expect quiet, continuous low-heat operation in sensitive living areas.

Frequently Asked Questions

Is this fan suitable for a greenhouse?
Yes, the aluminum shutters and blades resist moisture and rust, and the high CFM helps control humidity and heat in greenhouse spaces.

Does it include a power cord and mounting hardware?
It ships with a 1.65 m power cord, a 3 ft strain relief clamp and clear installation instructions for wall-mounted setups.

Will it cool a two-car garage?
In most cases yes; the 2450 CFM airflow can significantly reduce temperature and odors in a typical two-car garage when positioned and vented properly.