Breathability of Bag Air Duct

Breathable Fabric Air Duct System for Efficient and Comfortable Air Distribution

Discover the advanced functionality of a fabric Air Duct system designed for optimal airflow management in commercial, industrial, and institutional environments. Unlike traditional metal ducts, our breathable fabric air ducts utilize engineered polyester fiber materials that allow controlled air diffusion through micro-pores—offering superior comfort, energy efficiency, and design flexibility.

Key Features:

• Uniform Airflow Distribution via Permeable Fabric Material
• Customizable Permeability Levels (from 5 mm/s to 18 m³/h/m²)
• Energy-Efficient Design Reducing Cooling Load by Minimizing Heat Exchange
• Condensation Prevention Through Controlled Infiltration
• Lightweight, Easy Installation, and Low Maintenance
• Available in Multiple Sizes and Configurations for Custom Projects

The term "fabric air duct permeability" refers to how much air passes through the surface area of the duct under specific pressure conditions—typically measured at 125 Pa. A standard unit used globally is CFM/ft² (cubic feet per minute per square foot), which converts to 18 m³/h/m² or approximately 5 mm/s when expressed in metric terms. This precise measurement allows engineers and HVAC professionals to select the ideal material grade based on application needs—from low-permeability options for high-ceiling warehouses to higher-permeability fabrics for office spaces where even air distribution is critical.

Understanding the distinction between infiltration-based and jet-hole-based air delivery methods is essential. While some systems rely solely on fabric porosity for air release (ideal for humidity control), most modern installations use targeted nozzle openings to deliver conditioned air directly into occupied zones. In such cases, only 5–10% of total airflow comes from permeation—ensuring minimal thermal loss while maximizing comfort. Choosing the right permeability level ensures efficient operation across varying heights, room types, and climate zones.

Our fabric ducting solutions are particularly suited for environments requiring quiet operation, aesthetic integration, and reduced maintenance costs—such as retail stores, manufacturing facilities, data centers, sports complexes, hospitals, and educational institutions. The unique structure of the polyester fibers not only enhances durability but also supports sustainable indoor air quality by preventing stagnant air pockets and promoting consistent ventilation without noise disruption.

Users report significant improvements in thermal comfort, especially in large-volume spaces where conventional ductwork struggles with uneven temperature distribution. One facility manager noted, “After installing the Fabric Duct system, we saw a noticeable reduction in hot spots and improved air freshness throughout the building.” Another user highlighted the ease of cleaning and the absence of condensation issues during winter months—a common problem with rigid metal ducts exposed to temperature differentials.

Common questions often include: “How do I determine the correct permeability for my space?” and “Is this suitable for humid climates?” The answer lies in understanding your project’s airflow requirements, ceiling height, occupancy patterns, and environmental conditions. For instance, a warehouse may benefit from a lower permeability setting to maintain airflow directionality, whereas an open-plan office might require medium permeability for diffuse, gentle air movement. Additionally, these systems perform exceptionally well in areas prone to moisture buildup due to their ability to manage humidity through passive diffusion rather than forced venting.

In summary, a fabric air duct system offers more than just air delivery—it delivers intelligent climate control, visual elegance, and long-term cost savings. Whether you're retrofitting an existing building or designing a new one, choosing the right permeability grade tailored to your environment ensures peak performance, occupant satisfaction, and compliance with international HVAC standards.

Product Categories : Universal Fabric Air Duct