hvac

LWAA4D350S-5MKB-22-00
By longwell / June 26, 2026 / Engineering Cases

LWAA4D350S-5MKB-22-00 380V AC Axial Fan for HVAC Condensers

An OEM required a 380V 60Hz AC axial fan for a new line of HVAC conden...

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customized impeller
By longwell / June 24, 2026 / Engineering Cases

LWPI-Φ107X762-01 Cross-Flow Fan Impeller for HVAC OEM

A commercial HVAC OEM required a 762mm x 107mm drop-in replacement cro...

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lwfa e 250 01 forward curved centrifugal fan
By longwell / June 23, 2026 / Engineering Cases

LWFA-E-250-01 Forward-Curved Centrifugal Fan for HVAC Air Handlers

An OEM required a 220V AC centrifugal fan for a commercial air conditi...

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LWA-Ø385x115-5
By longwell / May 15, 2026 / Engineering Cases

LWA-385×115-5 Axial Fan Impeller for Commercial HVAC OEM

An HVAC OEM required a custom 385mm axial fan blade for a new condense...

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Deep-Dive--An-HVACR-Engineer-s-Guide-to
By longwell / April 13, 2026 / News

Deep Dive: An HVACR Engineer’s Guide to Evaluating True Cross Flow Fan Quality

During the design and procurement phases of modern HVACR (Heating, Ven...

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Best-Centrifugal-Blower-Fan-Supplier-in
By longwell / December 12, 2025 / News

Best Centrifugal Blower Fan Supplier in China: High Static Pressure & Energy-Efficient Options

Best Centrifugal Blower Fan Supplier in China: High Static Pressure &a...

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Real-World-Efficiency--4-Critical-Appli
By longwell / December 6, 2025 / News

Real-World Efficiency: 4 Critical Applications of Tangential Blowers in Modern HVAC & Heating Systems

Real-World Efficiency: 4 Critical Applications of Tangential Blowers i...

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By longwell / November 20, 2024 / Events &Exhibitions

LONGWELL – Successful Conclusion of HARFKO 2024

September 27, 2024, Seoul – After three days of lively interactions an...

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