CWS-COMBI Combined Supply and Exhaust Air Box
CWS-COMBI Combined Supply and Exhaust Air Box
The CWS-COMBI combined ventilation box is designed to provide simultaneous fresh air intake and indoor air exhaust through a compact, single-unit solution. Its innovative design prevents airflow mixing, making it ideal for situations where there is not enough space to install two separate intake and exhaust ducts with sufficient distance between them.
This box is most commonly used in mechanical ventilation systems with heat recovery, especially in projects with limited façade space.
Key Features:-
Two airflows in one unit – supply and exhaust without interference
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Compact design, perfect for space-constrained façade areas
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Made from galvanised steel, powder-coated in RAL 9010 as standard
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Can be painted in any RAL colour upon request
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Fitted with a drip cap to prevent condensation stains on the building façade
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Includes a protective wire mesh to keep out leaves, debris, and insects
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Available in right-hand or left-hand versions – please specify when ordering
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Multi-storey buildings, apartments, offices, and commercial premises
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Projects where installing two separate wall grilles is not feasible
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Ventilation systems with heat recovery (HRV)
The CWS-COMBI air box offers a practical and visually appealing solution by combining two functions into a single high-quality unit – saving space, simplifying installation, and ensuring reliable long-term performance.
