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Filters for AHU
The Air Handling Units (AHUs) are the heart of HVAC systems in civil and industrial buildings: they manage air renewal, purification, heating/cooling and humidification.
The filters installed in AHUs serve to protect indoor environments from dust, pollen, bacteria and contaminants and to preserve the efficiency and lifespan of the system itself. Proper filtration reduces energy consumption, improves comfort and ensures compliance with indoor air quality regulations.
Typical applications
- Civil buildings: offices, schools, universities, hospitals, shopping centres
- Light industry: HVAC systems in production plants and warehouses
- Healthcare sector: hospitals, clinics, laboratories
- Hotels and accommodation facilities
- Theatres, cinemas, gyms and sports centres
- Data centres and technical environments requiring filtered air and climate control
Customer benefits
- Clean and healthy air in workplaces and public spaces
- Protection of the AHU system from dust and contaminants that reduce machine lifespan
- Energy savings thanks to low-pressure-drop filters
- Regulatory compliance and improved indoor air quality (IAQ)
- Optimised maintenance with fewer replacements and lower operating costs
Types of filters for AHU
- Coarse pre-filters (G4, ISO Coarse) → block larger dust particles
- Medium-efficiency filters (ISO ePM10, ePM2.5) → for fine dust and pollen
- High-efficiency filters (ISO ePM1) → advanced protection for sensitive environments
- HEPA/ULPA filters (EN 1822) → for hospitals, cleanrooms, laboratories
- Activated carbon filters → for removing odours, VOCs and pollutant gases
- Pocket filters and compact panels → for modularity and high airflow
Reference regulations
- ISO 16890 – air filter classification
- EN 1822 – HEPA/ULPA absolute filters
- WHO and EU guidelines on indoor air quality
Specific features
Filtration class
ISO 16890 (from ePM10 to ePM1); in healthcare and cleanroom environments, also HEPA filters in accordance with EN 1822.
Energy efficiency
Filters designed for low initial pressure drop and stability during use
Modularity
Possibility of combining multiple filtration stages (prefilters + media + absolute).
Operating life
Filter media with high dust accumulation capacity, for longer maintenance intervals.
Maintenance
Easy replacement, airtight sealing systems to prevent air bypass.
Customization
Sizes and types adaptable to AHU units from various manufacturers.
Regulations
Compliance with ISO 16890, EN 1822 standards, indoor air quality guidelines
Product catalog
Filters for AHU
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