GFC Metal Exhaust Fan 16-inch vs. 20-inch: A Comprehensive Comparison

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posted on 3 weeks ago — updated on 1 second ago

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Hijazi Sanitary and Electric Store is a one-stop retail destination specializing in high-quality sanitaryware and electrical products for residential, commercial, and industrial needs. As a trusted brand, we offer a wide range of premium fixtures, fittings, and electrical supplies to meet modern construction and renovation demands.

When it comes to industrial, commercial, or even large residential ventilation needs, GFC Metal Exhaust Fan are among the most reliable options available. Two of the most popular models are the GFC Metal Exhaust Fan 16-inch and GFC Metal Exhaust Fan 20 -inch versions, both designed for heavy-duty airflow and durability.

In this blog, we’ll explore the features, benefits, applications, and key differences between these two powerful exhaust fans to help you decide which one best suits your needs.

1. Introduction to GFC Metal Exhaust Fans

GFC (Global Fan Company) is known for manufacturing high-quality ventilation solutions. Their metal exhaust fans are built to withstand harsh environments while providing efficient air circulation. These fans are commonly used in:

Industrial facilities (factories, warehouses)
Commercial kitchens (restaurants, bakeries)
Agricultural settings (barns, poultry farms)
Garages and workshops
Large residential spaces (attics, basements)

Both the 16-inch and 20-inch models are constructed from galvanized steel, making them resistant to rust and corrosion. They also feature high-performance motors designed for continuous operation.

2. Key Features of GFC Metal Exhaust Fans

A. GFC 16-inch Metal Exhaust Fan

Blade Size: 16 inches
Airflow Capacity: ~2,500 – 3,500 CFM (varies by model)
Motor Power: Typically 1/6 to 1/3 HP
Speed: Single or dual-speed options
Voltage: 110V or 220V
Mounting: Wall or ceiling installation
Noise Level: Moderate (depends on speed setting)
Durability: Galvanized steel construction

B. GFC 20-inch Metal Exhaust Fan

Blade Size: 20 inches
Airflow Capacity: ~4,000 – 6,000 CFM (higher than 16-inch)
Motor Power: Typically 1/4 to 1/2 HP
Speed: Single or dual-speed options
Voltage: 110V or 220V
Mounting: Wall or ceiling installation
Noise Level: Slightly louder due to higher airflow
Durability: Galvanized steel construction

3. Performance Comparison: 16-inch vs. 20-inch

Feature	16-inch Model	20-inch Model
Airflow (CFM)	2,500 – 3,500	4,000 – 6,000
Motor Power	1/6 – 1/3 HP	1/4 – 1/2 HP
Noise Level	Moderate	Slightly Higher
Best For	Medium spaces	Large spaces
Energy Efficiency	Good	Slightly lower due to higher power

Which One Should You Choose?

For small to medium spaces (e.g., garages, small workshops, kitchens), the 16-inch model is sufficient.
For large industrial areas, warehouses, or commercial kitchens, the 20-inch fan provides better airflow.

4. Applications of GFC Metal Exhaust Fans

A. Industrial Use

16-inch: Suitable for small factories, machine shops, and storage areas.
20-inch: Ideal for large warehouses, manufacturing plants, and heavy-duty industrial environments.

B. Commercial Kitchens

16-inch: Works well in small to medium-sized restaurants.
20-inch: Best for large kitchens with multiple cooking stations.

C. Agricultural & Livestock

16-inch: Good for small barns or poultry houses.
20-inch: Better for large livestock buildings with high heat and odor levels.

D. Residential Use

16-inch: Great for attics, basements, or garages.
20-inch: Only recommended for very large homes or workshops.

5. Installation & Maintenance

Installation Tips

Ensure proper mounting (wall or ceiling).
Use ducting (if required) for directed airflow.
Follow electrical safety guidelines (correct voltage & wiring).

Maintenance

Regular cleaning of blades to prevent dust buildup.
Lubricate bearings (if applicable) for smooth operation.
Check motor performance periodically.

6. Advantages of GFC Metal Exhaust Fans

✔ Durable Construction – Galvanized steel resists rust.
✔ High Airflow Efficiency – Moves large volumes of air.
✔ Versatile Mounting – Can be installed on walls or ceilings.
✔ Low Maintenance – Designed for long-term use.

7. Potential Drawbacks

❌ Noise Levels – Larger fans (20-inch) can be louder.
❌ Higher Power Consumption – Bigger models use more electricity.

8. Final Verdict: Which One is Right for You?

Choose the 16-inch if you need moderate airflow for a smaller space.
Go for the 20-inch if you require maximum ventilation in a large industrial or commercial setting.

Both models deliver reliable performance, but your choice depends on space size, airflow needs, and budget.

9. Where to Buy & Pricing

GFC exhaust fans are available at:

HVAC suppliers
Industrial equipment stores
Online marketplaces (Amazon, eBay, specialized vendors)

Approximate Pricing:

16-inch: $150 – $300
20-inch: $250 – $500

10. Conclusion

Whether you opt for the GFC 16-inch or 20-inch Metal Exhaust Fan, you’re investing in a high-quality, durable ventilation solution. The 16-inch is perfect for smaller applications, while the 20-inch excels in large-scale environments.

Before purchasing, assess your space size, ventilation needs, and budget to make the best choice. Both models will provide efficient, long-lasting airflow for years to come.