Technical Articles

Fan selection, airflow, controls, installation and application knowledge.

How-to-Select-a-Backward-Curved-Centrif
By longwell / October 11, 2026 / Technical Articles

How to Select a Backward-Curved Centrifugal Fan?

Choosing the right backward-curved centrifugal fan is not just about s...

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Australia-and-New-Zealand-Energy-Rating
By longwell / October 8, 2026 / Technical Articles

Australia and New Zealand Energy Rating RECAP Registration Evidence Checklist

Australia and New Zealand have moved Energy Rating product registratio...

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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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Axial-Cooling-Fan-for-Condenser-Units--
By longwell / September 21, 2026 / Technical Articles

Axial Cooling Fan for Condenser Units: Selection Guide

A complete HVAC system usually consists of multiple components, includ...

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