Fan Selection

Correct fan selection starts from the duty point — airflow plus system resistance — then checks efficiency zone, speed, noise, voltage, protection class and mounting. Articles here walk through step-by-step selection for each fan type and flag the specification mistakes that cost efficiency later.

Fan-Selection-for-HVAC-Systems--Advance
By longwell / April 1, 2026 / News

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

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

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How-to-Select-the-Right-Backward-Curved
By longwell / March 23, 2026 / News

How to Select the Right Backward Curved Centrifugal Fan: An 8-Step In-Depth Selection Guide & Technical Analysis

How to Select the Right Backward Curved Centrifugal Fan: An 8-Step In-...

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Cross-Flow-Fan--Complete-Engineering-Gu
By longwell / March 12, 2026 / News

Cross Flow Fan: Complete Engineering Guide, EC Motor Technology, and Selection Tips (2026)

Cross Flow Fan: Complete Engineering Guide, EC Motor Technology, and S...

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In-Depth-Guide--Core-Technology-and-Sel
By longwell / March 9, 2026 / News

In-Depth Guide: Core Technology and Selection Guide for Cross Flow Fans

In-Depth Guide: Core Technology and Selection Guide for Cross Flow Fan...

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Core Aerodynamic Performance Analysis: Technical Selection Guide for Forward vs. Backward Centrifugal Fans
By longwell / March 7, 2026 / News

Core Aerodynamic Performance Analysis: Technical Selection Guide for Forward vs. Backward Centrifugal Fans

Forward-curved or backward-curved? Neither is the automatic winner. St...

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AC-vs-DC-vs-EC-Axial-Fans--The-Ultimate
By longwell / February 28, 2026 / News

AC vs DC vs EC Axial Fans: The Ultimate Motor Selection Guide for Global Markets

AC vs DC vs EC Axial Fans: The Ultimate Motor Selection Guide for Glob...

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Axial-Fans-101--Complete-Guide-to-Types
By longwell / February 27, 2026 / News

Axial Fans 101: Complete Guide to Types, Applications and Selection

Axial Fans 101: Complete Guide to Types, Applications and Selection Wh...

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EC-Fan-Technology-Explained--How-EC-Fan
By longwell / January 12, 2026 / News

EC Fan Technology Explained: How EC Fans Work, Benefits, and How to Choose the Right One

EC Fan Technology Explained: How EC Fans Work, Benefits, and How to Ch...

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How-to-Choose-the-Right-Axial-Compact-F
By longwell / December 20, 2025 / News

How to Choose the Right Axial Compact Fan for Your Application: A Comprehensive Guide

How to Choose the Right Axial Compact Fan for Your Application: A Comp...

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