Author: longwell

Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / November 4, 2026 / Engineering Case Studies

Cross Flow Fan Integration into a Sun Umbrella Frame

A customer requested a cross flow fan for a sun umbrella frame. LONGWE...

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ATEX-Axial-Fans-for-Hazardous-Areas--A-
By longwell / November 3, 2026 / Technical Articles

ATEX Axial Fans for Hazardous Areas: A Buyer’s Guide

In a chemical plant, a paint workshop, or a grain handling facility, i...

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Saudi-Air-Conditioner-Energy-Efficiency
By longwell / November 2, 2026 / Technical Articles

Saudi Air Conditioner Energy Efficiency Transition Buyer Checklist

Saudi Arabia will cancel certificates issued under the previous air-co...

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HVACR-Vietnam-2026-Fan-and-Motor-Buyer-
By longwell / November 2, 2026 / Technical Articles

HVACR Vietnam 2026 Fan and Motor Buyer Checklist

HVACR Vietnam runs from 4 to 6 November 2026 at SECC in Ho Chi Minh Ci...

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Types-of-AHU--A-Complete-Guide-to-Air-H
By longwell / October 31, 2026 / Technical Articles

Types of AHU: A Complete Guide to Air Handling Units

Urban growth and new construction continue to push up demand for air h...

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Fan-Wall-Unit--FWU---What-It-Is-and-Why
By longwell / October 30, 2026 / Technical Articles

Fan Wall Unit (FWU): What It Is and Why Data Centers Specify It?

Data centers are critical infrastructure for storing, processing, and ...

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Fan-Energy-Index--FEI---A-Complete-Guid
By longwell / October 28, 2026 / Technical Articles

Fan Energy Index (FEI): A Complete Guide for HVAC Fans

AMCA developed the Fan Energy Index (FEI). ANSI/AMCA 214-21 provides a...

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China-2026-Draft-Motor-Efficiency-Stand
By longwell / October 26, 2026 / Technical Articles

China 2026 Draft Motor Efficiency Standard OEM Evidence Checklist

China's draft GB 18613 revision adds inverter fed motors and updates f...

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Great-Britain-2026-Industrial-Fan-Ecode
By longwell / October 26, 2026 / Technical Articles

Great Britain 2026 Industrial Fan Ecodesign Consultation Buyer Checklist

Great Britain is consulting on ecodesign rules for 125 W to 500 kW ind...

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10-Best-DC-Fan-Manufacturers
By longwell / October 24, 2026 / Technical Articles

10 Best DC Fan Manufacturers

DC fan manufacturers work in a market shaped by both application needs...

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