Home Appliances

Appliance makers judge fan modules on noise spectrum, batch consistency, cost and certification — usually with custom mechanical constraints. This tag collects fan-module design notes for hoods, dryers, purifiers and dehumidifiers, plus OEM development-to-production practice.

Manometer showing negative pressure difference across a doorway
By longwell / August 21, 2026 / Fan Engineering Guides

Positive vs Negative Pressure Ventilation

Room pressure decides which way air leaks through every gap in the bui...

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Range hood blower motor being removed from a cooker hood canopy
By longwell / August 21, 2026 / Fan Engineering Guides

Range Hood Blower Motor Replacement

A range hood that stops pulling air is not always a dead motor. Grease...

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Breaking-the-35dB-Acoustic-Boundary--A-
By longwell / January 15, 2026 / News

Breaking the 35dB Acoustic Boundary- A Technical Review of LONGWELL Assisting a Korean Home Appliance Giant in Conquering Noise Challenges

Breaking the 35dB Acoustic Boundary: A Technical Review of LONGWELL As...

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LONGWELL DC Cross Flow Fans
By longwell / October 28, 2025 / News

Longwell DC Cross Flow Fan: The Intelligent New Choice for Industrial Cooling

Imagine this: At three in the morning, a hospital’s MRI machine sudden...

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Clean Kitchen Exhaust Fan
By longwell / January 17, 2025 / News

Clean Like a Pro: How to Clean Kitchen Exhaust Fan

Introduction Your kitchen exhaust fan is really helpful. It gets rid o...

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