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HDS-3.7 Permanent Magnet Ceiling Fan 3.7m PMSM Direct-Drive Ultra Quiet | GTFI

Model: FAN-HDS-37 ⭐ High Airflow In Stock
  • High airflow for large spaces
  • Energy-saving PMSM motor
  • Ultra-quiet operation
  • OEM customization available
1 Unit 1 Unit 15-25 Days 15-25 Days Shipping: FOB Shanghai / Shenzhen 12 Months 12 Months Spare Parts: Available

GTFI HDS-3.7 permanent magnet ceiling fan, 3.7m diameter, PMSM direct-drive, 0.75kW, ultra-quiet ≤38dB. Ideal for larger industrial and commercial spaces. CE/ISO certified.

Model: HDS-3.7
Power: 0.75 kW (1 HP)
Voltage: 220-240 / 380-460V
Diameter: 3.7 m (12 ft)
Frequency: 50/60 Hz
Speed: 100 rpm
30+ Countries Export CE/ISO Certified Factory Tested 24/7 Support

Core Specifications

Key parameters at a glance — see if this fan fits your ventilation needs.

ModelHDS-3.7
Diameter3.7 m (12 ft)
Power0.75 kW (1 HP)
Voltage220-240 / 380-460V
Frequency50/60 Hz
Speed100 rpm
Airflow5,000 m³/min
Blades5
Noise≤38 dB
Motor TypePMSM Direct-Drive
ProtectionIP65
Coverage~380 m²
Effective Area~230 m²
Motor Weight16 kg
Fan Weight49 kg
CertificationsCE, RoHS, ISO9001

Industrial Fan · HDS-3.7 Permanent Magnet Ceiling Fan 3.7m PMSM Direct-Drive Ult… Industrial Fan — High Airflow Ventilation for Large Spaces

The Industrial Fan · HDS-3.7 Permanent Magnet Ceiling Fan 3.7m PMSM Direct-Drive Ult… is a high-performance industrial fan designed for large-space ventilation in factories, warehouses, gymnasiums, and commercial buildings. With a diameter of 3.7 m (12 ft) and airflow capacity of 5,000 m³/min, this fan delivers efficient air circulation for improved comfort and productivity.

Powered by a PMSM Direct-Drive motor with 5 blades, the Industrial Fan · HDS-3.7 Permanent Magnet Ceiling Fan 3.7m PMSM Direct-Drive Ult… provides a natural, gentle breeze while consuming minimal energy. The IP65 protection rating ensures reliable operation in demanding industrial environments, while the ≤38 dB noise level makes it suitable for noise-sensitive applications.

Whether you need cooling for a factory, ventilation for a warehouse, or air circulation for a gymnasium, the Industrial Fan · HDS-3.7 Permanent Magnet Ceiling Fan 3.7m PMSM Direct-Drive Ult… industrial fan offers the performance and reliability you need. Backed by CE/ISO certification and GTFI's decades of manufacturing experience, this fan is built to perform in the most demanding conditions.

Key Technical Features

  • High Airflow Capacity — delivers 5,000 m³/min for effective large-space ventilation.
  • Energy-Efficient Motor — PMSM Direct-Drive motor saves up to 50% energy.
  • Ultra-Quiet Operation — ≤38 dB noise level for comfortable environments.
  • Durable Construction — aluminum-magnesium alloy blades with corrosion-resistant coating.
  • Smart Control Options — VFD speed control with optional WLAN/Bluetooth/4G.
  • CE/ISO Certified — compliant with international quality standards.
#IndustrialFan #HVLSFan #Ventilation #OEMManufacturer #EnergySaving

Technical Advantages

Four reasons to choose GTFI industrial fans for your ventilation needs.

PMSM Direct-Drive

Up to 92% efficiency with no gearbox losses.

Ultra-Quiet

≤38dB suitable for noise-sensitive environments.

Energy Efficient

Saves up to 50% energy.

Durable Construction

Aluminum-magnesium alloy with T5+ oxidation treatment.

Where This Fan Works Best

Six common use cases for this industrial fan.

Large factories

Warehouses

Logistics centers

Gymnasiums

Supermarkets

Exhibition halls

Working Principle

Simple, efficient, and reliable three-step ventilation process.

1

Air Circulation

The fan draws air downward, creating a large circular airflow pattern.

2

Natural Breeze Effect

The aerofoil blades generate a gentle, natural-like breeze.

3

Temperature Equalization

Airflow helps equalize temperature stratification, reducing energy costs.

Installation Cases

See how GTFI industrial fans are installed in real projects.

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Frequently Asked Questions

Quick answers to the most common questions about our industrial fans.

What is the diameter?
3.7 meters.
What is the noise level?
≤38dB.
What is the airflow?
5,000 m³/min.
What is the warranty on the motor?
3 years.
Is it suitable for outdoor use?
With IP65 protection, it can be used in covered outdoor areas.

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