Commercial HVAC Systems

Analyzes the integration of AC centrifugal fans and AHUs as critical components in modern commercial HVAC systems.

LONGWELL duct fan
By longwell / July 21, 2026 / News

How to Install a Duct Fan: Step-by-Step Guide

The ducts in HVAC systems are usually long. When the airflow goes thro...

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Longwell centrifugal fan
By longwell / June 24, 2026 / News

7 Effective Ways to Reduce Centrifugal Fan Noise

Centrifugal fans are widely used in various commercial and industrial ...

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longwell LWAC-50610 cross flow fan
By longwell / May 14, 2026 / Engineering Cases

610mm Cross-Flow Fan Housing & Impeller for HVAC OEMs

An HVAC OEM required a 610mm motorless cross-flow fan sub-assembly. Se...

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ec fans in hvac ventilation
By longwell / May 13, 2026 / News

EC Fans in HVAC Ventilation: Driving the Future of Energy-Efficient Airflow

In today’s fast developing pace, efficiency is paramount in every indu...

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Engineering-HVAC-Fan-Efficiency--A-Tech
By longwell / April 2, 2026 / News

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

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

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Why AC Centrifugal Fans Are Widely Used in Air Handling Units (AHUs)
By longwell / October 29, 2025 / News

Why AC Centrifugal Fans Are Widely Used in Air Handling Units (AHUs)

Air handling units (AHUs) are an essential part of modern HVAC systems...

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