This article explains why children may cough more frequently or fall ill even in seemingly clean homes – and how indoor air quality plays a key role. It covers the main contributing factors, including pollen, particulate matter (PM10, PM2.5), volatile organic compounds (VOCs), and insufficient air circulation. You’ll also find practical guidance on choosing the right filters for your situation – whether you’re dealing with allergies, pollution, or lingering odours. Learn how to reduce exposure to airborne pollutants and improve the air quality in your home.

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.

Did you know that an incorrectly installed filter can cut your heat recovery unit’s lifespan in half? Learn which mistakes to avoid and how to replace your filters correctly at home.

Manufacturers recommend changing them every 6 months under normal conditions, or every 4 months in polluted areas. Learn the key signs that your filter is clogged and how to choose the right replacement interval.

September is a transitional month when sharp temperature and humidity fluctuations create additional challenges for your ventilation system. During the day the air is still warm, while at night it becomes much cooler. Improperly adjusted ventilation can lead to discomfort, condensation, or even mold risk.

Most people replace filters only when they become visibly dirty. However, even a filter that looks “still usable” may already fail to clean the air properly. Sometimes people try shaking, vacuuming, or blowing through the filter – but that only helps for a short while. Why is that, and what is the real difference between old and new filters?

G4 filters are effective at trapping medium-sized dust particles, sand, insects, lint, and even some larger pollen particles. They provide sufficient filtration to keep ventilation systems running smoothly and cleanly.

Knowing the difference of the filtration classes according to the ISO 16890 may help you select the necessary filters according to your needs 

Replacing filters in your air handling unit (AHU) is a simple yet crucial task for maintaining system efficiency and air quality. This guide walks you through the correct steps, from selecting the right filter class to ensuring proper airflow direction and resetting the filter timer. Follow these easy steps to keep your ventilation system running smoothly and avoid unnecessary issues.

Choosing the right filter for your air handling unit (AHU) can be overwhelming with so many options available. Whether you have a SALDA, Komfovent, Systemair, Flexit, or Wolf AHU, understanding the key factors such as air quality, filter class, and manufacturer specifications is essential. This guide outlines the basic rules for selecting the appropriate filter to maintain your system’s performance and avoid potential warranty issues.