Month: September 2026

UK-Energy-Technology-List-2026-Motor-Cr
By longwell / September 30, 2026 / Technical Articles

UK Energy Technology List 2026 Motor Criteria Update Evidence Checklist for OEM Buyers

The UK Energy Technology List updated its AC motor criteria on 15 Sept...

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ErP-2026-Fan-Procurement-Checklist--15-
By longwell / September 29, 2026 / Technical Articles

ErP 2026 Fan Procurement Checklist: 15 Checks Before Choosing a Supplier

From 24 July 2026, a fan placed on the European market has to meet the...

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Centrifugal-Fan-Supplier-Checklist--10-
By longwell / September 23, 2026 / Technical Articles

Centrifugal Fan Supplier Checklist: 10 Questions Before You Buy

Choosing a centrifugal fan for the project is not only about finding a...

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Chillventa-2026--HVAC-R-Trends-and-the-
By longwell / September 23, 2026 / Technical Articles

Chillventa 2026: HVAC&R Trends and the Growing Role of Efficient Fan Technology

Chillventa 2026 runs from 13 to 15 October at the Exhibition Centre Nu...

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What-happened
By longwell / September 22, 2026 / Technical Articles

China’s 2026 Fan Efficiency Draft: From GB 19761-2020 to FMEG – An OEM Buyer Checklist

On 20 July 2026, China's National Standardization Administration opene...

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How a Centrifugal Fan Works (Animation + Real Teardown)
By longwell / September 21, 2026 / Fan Engineering Guides

How a Centrifugal Fan Works (Animation + Real Teardown)

See the complete energy path inside a centrifugal fan: axial inlet, ra...

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How a Cross-Flow (Tangential) Fan Works
By longwell / September 21, 2026 / Fan Engineering Guides

How a Cross-Flow (Tangential) Fan Works

A cross-flow fan uses a long cylindrical impeller, an eccentric intern...

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Backward-Curved vs Forward-Curved Impeller — What's Inside
By longwell / September 21, 2026 / Fan Engineering Guides

Backward-Curved vs Forward-Curved Impeller — What’s Inside

Forward-curved and backward-curved centrifugal fans can share a diamet...

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What Is an EC Fan? Brushless DC Motor Explained
By longwell / September 21, 2026 / Fan Engineering Guides

What Is an EC Fan? Brushless DC Motor Explained

What does EC actually mean in an EC fan? This engineering explainer fo...

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