duct videos
Construction, running condition, wind-tunnel tests and factory walk-throughs. Every video links to the model's specifications and drawings.
LONGWELL EC Fan Test | LWDE3G100-IS-03Ø98 mm · 385 m³/h · 269 Pa · EC
LWDA-250 Fan Test | LWDA-250(10″)S-MWN-06Ø250 mm · 2,100 m³/h · 215 Pa · AC
Longwell Duct Fan – Efficient Ventilation, Fresh Air Everywhere
Longwell Metal Spherical Duct Fan—Efficient Ventilation, Enjoy Natural Airflow | LWDA-315S-MBN-02Ø315 mm · 1,680 m³/h · 593 Pa · AC
Superior Airflow, Intelligent Living | LWDA-100S-MBN-14Ø100 mm · 242 m³/h · 326 Pa · AC
Where Precision Meets the Journey of Air | LWDE-100S-MBN-10Ø100 mm · 324 m³/h · 927 Pa · EC
Longwell Duct Fans: Where Performance Meets Precision | LWDA-150(6)S-PWN-06
The Silent Heart of Buildings | Longwell Fans for Efficiency & Quiet
Longwell Fans: Breathe Freshness, Enjoy Comfort | LWDE3G150-IS-03Ø147 mm · 705 m³/h · 465 Pa · EC
Longwell AC Plastic Duct Fan, Breathe Fresh Vitality into Your Space | LWDA-100(4)S-PWN-18
Longwell AC Plastic Duct Fans – Quality Airflow, Quiet Comfort | LWDA-200(8)S-PWN-07
Powerful & Quiet: The Reliable Choice – Longwell Duct Fan | LWDA-100(4″)S-PWN-14Ø100 mm · 325 m³/h · 163 Pa · AC
Longwell EC Plastic Duct Fan: Quiet Breeze, Smart Energy Savings | LWDE3G100-IS-01Ø98 mm · 385 m³/h · 269 Pa · EC
AC Mixed Flow Duct Fan 315 Series: High Pressure, Low Noise | LWDA-315(12.6”)S-PWN-05Ø315 mm · 2,500 m³/h · 450 Pa · AC
EC Spherical Duct Fan LWDE-200S Series: Omnidirectional & Efficient | LWDE-200S-MBN-09Ø200 mm · 1,210 m³/h · 1,030 Pa · EC
AC Spherical Duct Fan Series 200: 360° Ventilation for Tight Spaces | LWDA-200S-MBN-13Ø200 mm · 987 m³/h · 515 Pa · AC
Straight-Through Duct Fan LWDE3G150 Series: EC Direct-Drive & Efficient | LWDE3G150-IS-05LWDE3G150-IS-05
EC Plastic Duct Fan LWDE 200S Series: Quiet, Smart & Energy-Saving | LWDE-200S-PWY-02LWDE-200S-PWY-02
150 Series AC Plastic Ultra-Quiet Duct Fan: Silent & Concealed | LWDA-150(6)S-PWN-15LWDA-150(6)S-PWN-15
Ultra-Quiet Duct Fan LWDA-150 Series: Library-Level Silence, Hidden Efficiency | LWDA-150S-PWN-13Ø150 mm · 556 m³/h · 309 Pa · AC
EC Plastic Duct Fan LWDE-150S Series: Quiet, Efficient & Smart | LWDE-150S-PBY-02LWDE-150S-PBY-02