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Help & Advice
View allCommercial AHU Filters: Systemair Topvex & Geniox Explained
Filters for commercial air handling units work differently to domestic MVHR. A guide to Systemair Topvex and Geniox filters — grades, types, change intervals and how to order.
How Often Should You Change Your MVHR Filters?
The short answer is every 6 to 12 months — but the right interval depends on where you live and how you use your home. How to judge it, and how to tell when a filter is overdue.
How to Find the Right Replacement MVHR Filter for Your Unit
Ordering the wrong filter is the most common MVHR mistake. Here is how to identify the right replacement first time — by part number, by unit model, and what to watch out for.