The most important task for an air filter is to reduce the number of particles and pollutants in the ventilation air and provide high quality of indoor air (IAQ). Therefore low energy consumption should never be prioritized over efficient air filtration and good air quality. However, this does not have to be exactly the opposite. Saving energy is necessary not the most important reason to change, but it is an aspect to consider. Nevertheless, some additions need to be made if you look at what filters you have in the property and how they affect energy consumption without compromising human health.
To keep the pressure drop as low as possible and save energy costs within the different filter classes, the filter's construction/design is of the utmost importance. Increasing the amount of filter media, choosing the right media, and optimizing the shape of the bags results in lower pressure drops.
Through a conical seam inside the bags which prevents them from blowing together (blocking the filter surface), the airflow is further promoted, which also reduces energy consumption. This is done without compromising the efficiency of the filter (degree of separation).
All air filters can be classified from A + to E, where A + stands for the lowest energy consumption and E for the highest.
The classification gives customers a better understanding of the annual energy consumption, average efficiency, and lowest efficiency. You can see that an A + filter contributes to reduced energy use and carbon dioxide emissions. Based on an extensive certification process, Eurovent-certified products must show annual energy consumption (kWh / year) specifically for each ISO efficiency rating and be tested in independent laboratories and by random sampling of the manufacturer. The certified data is available on Eurovent's website: www.eurovent-certification.com
To get an overall understanding of how considerable the total environmental impact is, the life cycle assessment (LCA) is designed. It is a method for assessing a product's environmental impact where the goal is to get an overview of how extensive the total environmental impact is during a product's life cycle from raw material extraction, through manufacturing processes, application, and waste management, including all transportation and energy consumption throughout the product life cycle.
Camfil has developed a tool for calculating and analyzing the life cycle cost of our filters. We are happy to help you with your calculations and share support in selecting the right air filtration product.
Contact your local Camfil office and we will help you further.
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