International Standards and Certifications for Air Filters

International Standards and Certifications for Air Filters

The application of air filters in modern life is becoming increasingly widespread. From homes to offices and even industrial sectors, air filters play an indispensable role. To ensure the performance and quality of air filters, various international standards and certification systems have been established. This article will introduce some major international standards and certifications for air filters and their importance.

  • ISO 16890 Standard
    ISO 16890 is the most widely adopted standard for air filter evaluation globally. Developed by the International Organization for Standardization (ISO), this standard aims to unify the testing and evaluation methods for air filters worldwide. ISO 16890 classifies air filters into four categories: ePM1, ePM2.5, ePM10, and Coarse. These categories are based on the filter’s efficiency in removing particles of different sizes. For instance, an ePM1 rating indicates that the filter can effectively capture particles with diameters less than 1 micron.

    The importance of the ISO 16890 standard lies in its ability to provide a more realistic and comprehensive evaluation of filter performance, helping consumers choose the filter that best meets their needs. Additionally, this standard emphasizes the performance of filters under different operating conditions, which is valuable for practical applications.

  • EN 1822 Standard
    The European standard EN 1822 is another crucial air filter evaluation standard, specifically for high-efficiency particulate air (HEPA) and ultra-low penetration air (ULPA) filters. The EN 1822 standard comprises several parts, covering everything from testing methods to performance classification, ensuring a thorough evaluation process.

    EN 1822 focuses primarily on the filter’s efficiency in removing the most penetrating particle size (MPPS), which is a critical indicator of filter performance. According to this standard, filters are categorized into different grades, such as H13 and H14, representing varying levels of filtration efficiency. These grades help consumers and industry professionals quickly identify filter performance.

  • U.S. Department of Energy (DOE) Standards
    In the United States, air filter performance testing typically follows standards set by the U.S. Department of Energy (DOE). These standards rigorously test filter performance under various environmental conditions to ensure compliance with specific filtration efficiency and energy consumption requirements. The implementation of DOE standards promotes the use of energy-efficient filters in the market, reducing energy consumption.

  • Importance of Certification
    The certification process for air filters is a crucial step in ensuring their quality and performance. Certification bodies conduct comprehensive testing and evaluation of filters to ensure they meet relevant standards. Certified filters not only demonstrate excellent filtration efficiency but also meet strict requirements for safety, durability, and environmental friendliness.

    For consumers, choosing certified air filters means obtaining more reliable and effective products, thereby improving indoor air quality and protecting health. For manufacturers, obtaining certification helps enhance product market competitiveness and gain consumer trust.


International standards and certification systems for air filters are fundamental to ensuring their quality and performance. Whether it is ISO 16890, EN 1822, or the U.S. Department of Energy standards, they all play a crucial role in promoting technological advancements in the industry and enhancing consumer confidence. Understanding and adhering to these standards and certifications can help us better select and use air filters, creating healthier living and working environments.