Mistakes to avoid when choosing ventilation fans
Why Smart Airflow Decisions Matter for Comfort, Health, and Efficiency Good air circulation is one of those things you don’t notice—until it’s missing. A stuffy bathroom, a smoky kitchen, or persistent damp patches often point to one common issue: poor ventilation. And while ventilation fans seem like a simple fix, choosing the wrong one—or installing it poorly—can make the problem worse. Ventilation fans do more than move air. They control humidity, reduce indoor pollutants, and prevent the buildup of mould and mildew. But not all fans are created equal. Here are the most common mistakes homeowners and renovators make when selecting ventilation fans—and how to avoid them. 1. Choosing the Wrong Size Fan for the Room One of the most common errors is installing a fan that’s too weak—or unnecessarily powerful—for the space. A fan’s power is measured in cubic metres per hour (m³/h) or litres per second (L/s), and it needs to be matched to the size and function o...