Inside our filters.
Our advantages
Our filtration systems are designed for robustness, easy maintenance and maximum efficiency. Every detail is engineered to keep operation dependable and user-friendly.
Compact design
Slim design, fits into narrow boiler rooms and is easy to retrofit.
Premium high-voltage power supply
Ensure an even charge on the particles for maximum separation performance.
Self-cleaning collection surfaces
Specially coated to minimise build-up and make cleaning easier.
Robust casing
Heat-resistant, durable and suitable for permanent use in wood-fired heating systems and installations.
Integrated temperature sensor
Brush cleaning unit
Well-thought-out design for maximum effect
Our electrostatic filter systems are engineered as a fully coordinated design, where every component plays its part. A robust housing safeguards the sensitive technology, electrodes charge the particles in the exhaust stream, and large collection surfaces capture them efficiently. The result is consistently high separation performance, straightforward maintenance and economical, compliant operation.
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Engineered design for maximum performance
Our electrostatic filter systems are engineered as a fully coordinated design, where every component plays its part. A robust housing safeguards the sensitive technology, electrodes charge the particles in the exhaust stream, and large collection surfaces capture them efficiently. The result is consistently high separation performance, straightforward maintenance and economical, compliant operation.
How an electrostatic filter works
When wood is burned, extremely fine particles are released that are not visible. Our filters use an electrostatic process to remove these particles efficiently from the flue gas. The principle is simple: particles are electrically charged, collected on plates and then cleared by an integrated cleaning system. This results in consistently clean exhaust air that supports environmental protection and complies with regulatory requirements.
In the first stage, the flue gas passes through the ionisation electrodes, where the fine dust particles are electrically charged, including ultrafine particles that are not visible.
The charged particles are then drawn to the large conductive inner pipe surfaces, where they are securely captured and permanently removed from the exhaust gas flow.
To maintain consistently high separation performance, the inner pipe surfaces are cleaned automatically at regular intervals.
Our filtration technology operates with very low power consumption. Compared with the benefit of up to 90–95% emission reduction, operating costs remain extremely low.
R-filter types
The electrostatic operating principle of our particulate filters is identical across all performance ranges. To provide the optimal technical and economic solution for every wood-fired system, we divide our systems into two performance categories with different configurations. The key difference lies in the pipe diameter and the resulting collection surface area: Larger filter pipes provide a greater surface area, enabling consistently high separation efficiency even at increasing raw gas volume flows.
