July Sale - Limited Time Promotion
New EC Fans | 30%-50% Off | Free Samples Available
Self-Developed EC Centrifugal Fans · EC Duct Fans · Cross-Flow Fans · DC Motors — 100% in-house R&D, manufacturing, and testing.
New Fan Series
All designed, engineered, and manufactured in-house by LONGWELL. Click each product for more information.
EC Backward Curved Centrifugal Fan
High-efficiency backward-curved impeller for AHU retrofit, FCU, heat pumps, and BESS thermal management.
EC Inline Duct Fan
High static pressure, ultra-quiet operation for HVAC and industrial ventilation.
Cross-Flow Fan
Ultra-slim fan with AcousticFlow™ noise reduction. Perfect for air curtains, fireplaces, elevators, and display cabinets.
EC Backward-Curved Centrifugal Fan
IP66 rating for industrial, outdoor ventilation, and data center cooling.
DC Motor
Precise speed control, high efficiency, compact design, and fast response.
Applications & Customer Cases
LONGWELL fans are deployed in different industries where performance and reliability are non-negotiable.
Data Center CRAH/CRAC
Precision cooling for data centers and edge computing. EC plug fans with Modbus RTU control.
EC FanCold Chain
Cold storage, supermarket cabinet, cold chain transport, industrial process, beverage.
Centrifugal Fan · Axial Fan· Cross FlowBESS & EV Thermal
Battery energy storage and EV charging stations. High-efficiency EC axial fans.
EC CentrifugalIndustrial Ventilation
High-temperature oven fans, corrosion-resistant exhaust, explosion-proof solutions.
Industrial BlowerRail Transit
Ventilation systems for trains and subway cars. Vibration-resistant, long-life bearings.
Custom EC/ACMedical & Clean Room
FFU for cleanrooms and medical equipment. ISO 14644-1 compliant, ultra-low noise.
EC CentrifugalResdential Ventilation
Residential ventilation fans operate inside bedrooms, living rooms, and nurseries.
Axial · Cross-FlowAgriculture & Livestock
Greenhouse climate control, poultry and livestock ventilation. IP-rated for harsh environments.
Exhaust FanFortune 500 Data Center Cooling Retrofit
Replaced imported EC fans with LONGWELL EC plug fans across 12 CRAH units. Identical performance curves at significantly lower cost.
AHU Manufacturer Cross-Reference Switch
Switched from premium brands to LONGWELL backward curved centrifugal fans. Same mounting footprint, same airflow — at substantially lower unit cost.
Commercial Air Curtain Cross-Flow Supply
Supplied 8,000+ cross-flow tangential fans for a European air curtain brand. Custom length and diameter, noise reduced by 6 dB(A) vs previous supplier.
Certified. Tested. Trusted Worldwide.
Performance tested to AMCA method · Third-party test reports available on request · ErP 2026 compliant
The LONGWELL Brand Advantage
For 36 years, LONGWELL has engineered fan and motor systems for mission-critical environments — trusted by Fortune 500 OEMs across 30+ countries.
100% In-House R&D
A single engineering team designs the impeller, the motor, and the control algorithm together — achieving efficiency that assembled competitors cannot match.
- Professional R&D engineers
- CFD simulation labs
- SmartEC™ / AcuFlow™ / AcousticFlow™
- EC motor efficiency up to 90%
Vertically Integrated
From motor winding to impeller balancing to final assembly — all under one roof. No outsourced components, no hidden costs.
- 40,000+ m² manufacturing base
- Motor · Impeller · Housing — all self-made
- 5M+ units shipped annually
- Strict QC at every production stage
True OEM Partnership
Full-process OEM/ODM support with 3D STEP integration, fast prototyping, and dedicated engineering liaison.
- Sample delivery: 1–3 days
- Bulk order: 15–30 days
- 12-month warranty
- 24/7 technical support
Global Reach
Exporting to 30+ countries with dedicated overseas offices in Europe, North America, and Dubai. Fortune 500 supplier.
- European office
- North American office
- Dubai office
- 3-hour response guarantee
LONGWELL vs The Competition
See why Fortune 500 OEMs are switching from imported brands to LONGWELL self-developed solutions.
| Comparison Factor | LONGWELL Self-Developed | Imported Brands | Generic OEM / Trading Company |
|---|---|---|---|
| Motor Development | ✓ 100% In-house R&D | In-house but premium-priced | ✗ Outsourced / Rebranded |
| Manufacturing | ✓ Vertically integrated | Vertically integrated | △ Assembled from parts |
| Pricing | ✓ Factory direct | Higher | △ Low but quality varies |
| EC Motor Efficiency | ✓ Up to 90% | Up to 90% | △ 60–75% (varies) |
| Cross-Reference Compatibility | ✓ Drop-in replacement for premium brands | Original — but locked-in pricing | ✗ No cross-reference data |
| Standard Sample Lead Time | ✓ 1–3 days | 2–4 weeks | △ 1–2 weeks |
| Bulk Order Lead Time | ✓ 15–30 days | 8–12 weeks | △ 4–8 weeks |
| OEM/ODM Customization | ✓ Full custom: voltage, bracket, cable, label, impeller | High MOQ | △ Catalog only |
| Warranty | ✓ 12 months | 12–24 months | ✗ 3–6 months or none |
| Technical Support | ✓ 3-hour response · Dedicated engineer | 1–2 business days | ✗ Email only, slow |
Need a cross-reference for your current ebm-papst or Ziehl-Abegg model? Use our Cross-Reference Guide →
Ready to Save for Your Ventilation Projects ?
Contact our engineering team for model recommendations, cross-reference matching, and factory-direct pricing. Free samples available for qualified buyers.
Prefer email? sales@longwellfans.com