Month: April 2026

longwell-wi-6935667693-project
By longwell / April 2, 2026 / Engineering Case Studies

125mm EC Mixed Flow Fan Engineered for 100 Pa Pressure

Discover how we built an ec mixed flow fan to hit 150 m3/h at 100 Pa. ...

Read More »
Engineering-HVAC-Fan-Efficiency--A-Tech
By longwell / April 2, 2026 / Technical Articles

Engineering HVAC Fan Efficiency: A Technical Guide to System Design and Selection

Engineering HVAC Fan Efficiency: A Technical Guide to System Design an...

Read More »
longwell-wi-6935098557-project
By longwell / April 1, 2026 / Engineering Case Studies

115V AC Centrifugal Fan with 190mm and 225mm Round Capacitors

See how we engineered a 115v ac centrifugal fan with custom round capa...

Read More »
longwell-lwfe3g180-092ds-02-pr
By longwell / April 1, 2026 / Engineering Case Studies

Metal EC Centrifugal Fan for 1730 m3/h HVAC Delivery

See how we balanced 1730 m3/h of airflow against a strict 63 dB(A) noi...

Read More »
longwell-wi-6935125311-project
By longwell / April 1, 2026 / Engineering Case Studies

Engineering a 1585mm Replacement Impeller for a Dry Cooler

See the exact specs for replacing a 1585mm dry cooler fan impeller on ...

Read More »
longwell-wi-6935162654-project
By longwell / April 1, 2026 / Engineering Case Studies

A Split AC Indoor Fan Engineered for 61C Extreme Cooling

Review the engineering steps behind this split ac indoor fan project, ...

Read More »
Fan-Selection-for-HVAC-Systems--Advance
By longwell / April 1, 2026 / Technical Articles

Fan Selection for HVAC Systems: Advanced Engineering Guide & Technical Specifications

Fan Selection for HVAC Systems: Advanced Engineering Guide & Techn...

Read More »