Best Exhaust Fans for Barns and Large Spaces
This article highlights powerful, weather-ready exhaust fans suitable for barns, sheds, and other large spaces. We compare sizes, airflow (CFM), durability, and ease of installation to help you choose an efficient ventilation solution for heat, moisture, and odors. A quick buying guide follows the product summaries.
style=”display:none;”>Summary Table: 5 Selected Products for Barn Ventilation
| Product | Brand | Airflow (CFM) | Size | Notes |
|---|---|---|---|---|
| iLiving ILG8SF12V-ST | iLiving | 960 | 12″ | Shuttered, thermostat, variable speed |
| KEN BROWN 20″ Shutter | KEN BROWN | 3500 | 20″ | High volume, automatic shutters |
| iLiving ILG8SF18V-ST | iLiving | 1736 | 18″ | Large area coverage |
| KEN BROWN 24″ Shutter | KEN BROWN | 4200 | 24″ | Pre-wired, robust |
| iLiving ILG8SF20V-ST | iLiving | 3368 | 20″ | High capacity, thermostatic control |
iLiving 12-Inch Wall Mounted Shutter Exhaust Fan
Powerful ventilation with 960 CFM and a 12-inch form factor makes this unit suitable for mid-sized barns or workspaces. It features automatic shutters, a Thermospeed controller, and a temperature range of 32-130F. The aluminum blades and galvanized frame deliver durability, while a low noise level (<65dB) helps maintain a comfortable environment. Ideal for reducing heat buildup and improving air quality in animal housing, workshops, and greenhouses.
KEN BROWN 20 Inch Shutter Exhaust Fan
This 20-inch shutter exhaust fan provides strong airflow and is designed for heavy-duty spaces such as barns, garages, attics, and greenhouses. High-grade aluminum shutters and blades resist moisture and high temperatures, extending the unit’s longevity. Automatic gravity shutters open with the fan operation, offering straightforward operation and reliable performance in demanding environments.
iLiving 36-Inch Wall Mounted Shutter Exhaust Fan
With 6128 CFM and a 36-inch size, this model is designed for very large spaces, such as sizable barns, industrial sheds, or workshop complexes. It features an automatic shutter system and a Thermospeed controller for variable speed, along with a corrosion-resistant galvanized frame. Its large air-handling capacity supports rapid heat and moisture removal across wide areas.
KEN BROWN 24 Inch Shutter Exhaust Fan with Speed Controller
Designed for heavy-duty ventilation, this 24-inch shutter exhaust unit delivers up to 4200 CFM. It’s suitable for barns, attics, greenhouses, and industrial spaces. The system uses automatic gravity shutters with a pre-wired power cord for easier installation, and it’s built with aluminum components for durability in moist environments.
iLiving 18-Inch Wall Mounted Shutter Exhaust Fan
This 18-inch model offers 1736 CFM, a Thermospeed controller, and a variable speed setup. The galvanized steel frame and aluminum shutters provide corrosion resistance, making it suitable for larger barns, sheds, or warehouses. It’s designed to help remove heat and moisture efficiently while ensuring a quiet operation compared to higher-velocity units.
iLiving 20-Inch Wall Mounted Shutter Exhaust Fan
With 3368 CFM, this 20-inch option covers larger barn spaces and warehouses effectively. It includes a thermospeed controller for precise speed and temperature regulation, along with a galvanized steel frame and aluminum components for durability. The fan’s low-noise operation suits continuous ventilation needs in animal housing, workshops, and greenhouses.
Buying Guide: Key Considerations For Barn Ventilation
- Airflow capacity (CFM) and space: Larger spaces require higher CFM ratings to move enough air for effective cooling, moisture removal, and odor control. Match CFM to the square footage and ceiling height of the barn.
- Shutter mechanism: Automatic gravity shutters prevent backdrafts and keep out weather when the fan is off. Aluminum shutters resist corrosion and wear in damp environments.
- Speed control and thermostatic features: Variable speed and temperature regulation help maintain comfortable conditions while reducing energy use. Look for Thermospeed controllers or similar systems.
- Durability and materials: Galvanized steel frames, aluminum blades, and corrosion-resistant components extend life in dusty, humid, or agricultural settings.
- Noise level: Barn environments benefit from quieter operation to reduce stress and maintain a workable atmosphere for animals and people.
- Installation and wiring: Pre-wired cords and straightforward mounting simplify installation. Ensure electrical compatibility (voltage, amperage) with your existing setup.
- Coverage area: Some models specify coverage up to several thousand square feet. For large barns, prioritize higher-CFM units with broad coverage.
- Maintenance: Perimeter guards and accessible components ease cleaning and service, improving long-term reliability.
- Safety and compliance: Look for UL-listed units and proper wire guards to meet safety standards in agricultural settings.