Not all ventilation unit filters are the same. Some ensure clean, healthy indoor air, while cheaper or uncertified filters can pose risks to both the ventilation system and your health. This guide explains what to look for when choosing filters — from ISO 16890 testing and hygiene standards to material safety and real filtration performance — so you can be confident you’re using a safe, certified and reliable filter.

Foggy windows, high humidity or mold in homes with an AHU or MVHR system? Learn why this happens and how to fix it – from airflow adjustments to filter checks.

Autumn is the perfect time to check your indoor air quality. HVAC installers share expert tips on choosing the right filters for your MVHR system. Learn when to use G4, M5 or F7 filters, when activated carbon filters are worth it, and how proper maintenance helps your unit last longer.

Properly maintained filters are essential to ensure you always breathe clean air at home. Changing the filters isn’t difficult – you just need to follow a few simple steps.