Choose the Right Flexible Ductwork for Your Needs

At airandus, we offer a wide range of flexible ductwork options to meet your specific requirements. Whether you need ductwork for residential HVAC systems, commercial buildings, or industrial applications, we have the ideal solutions to facilitate efficient air distribution.

Our knowledgeable team is available to assist you in selecting the right flexible ductwork based on your system specifications, space constraints, and airflow needs. We can provide guidance on sizing, insulation options, and installation best practices to ensure optimal performance and compatibility.


Airandus - Your HVAC Flexible Ductwork Manufacturer

Welcome to Airandus, your global exporter of ventilation equipment. With a strong commitment to delivering premium quality products and cost-effective solutions, Airandus has been serving customers since 2012. As a trusted name in the industry, we have established partnerships with over 60 countries worldwide.

At Airandus, we take pride in offering a comprehensive range of ventilation products designed to meet your needs. Our expertise lies in providing top-notch flexible ductwork, grills, diffusers, and more. We understand the importance of efficient air distribution in various settings, whether it’s residential, commercial, or industrial.

When it comes to flexible ductwork, Airandus stands out as a reliable and innovative manufacturer. Our flexible ducts are engineered to optimize airflow while maintaining durability and flexibility. With our products, you can ensure efficient ventilation while minimizing installation costs.

As a testament to our commitment to quality, our products have obtained CE, RoHS, and UL certificates, ensuring compliance with international standards. These certifications provide our customers with the assurance that they are investing in reliable and safe ventilation solutions.

Whether you are an HVAC professional, contractor, or building owner, Airandus is here to support your ventilation needs. Explore our wide range of flexible ductwork and other ventilation products to create an optimal indoor environment.

Choose Airandus for superior quality, trusted performance, and exceptional value in the world of ventilation. Experience the difference of our flexible ductwork solutions and let us help you achieve efficient and reliable air distribution. Contact us today to learn more about our products and how we can assist you in your ventilation projects.

Flexible Ductwork Series

Lightweight and highly flexible, this duct is perfect for HVAC systems, facilitating efficient air distribution.

Featuring insulation, this duct reduces energy loss, ensuring optimal thermal efficiency.

This product combines sound absorption materials with insulation, ideal for reducing noise levels in duct systems.

A hybrid duct offering the durability of aluminum and the flexibility of PVC, suitable for various environments.

Utilizes polyester for insulation, providing excellent thermal retention and energy efficiency.

A cost-effective solution, made from polyester, offering flexibility and durability.

Features a metallized polyester film that provides a robust barrier and radiant heat reflection.

Made from PVC, this duct is versatile, resistant to chemicals, and easy to install.

Offers a balance between flexibility and rigidity, making it easier to install and maintain its shape.

Why choose to use our Flexible Ductwork

There are several compelling reasons to choose Airandus’ Flexible Ductwork for your ventilation needs:

Premium Quality: Our Flexible Ductwork is crafted with utmost precision and attention to detail. We prioritize quality materials and manufacturing processes to ensure a reliable and long-lasting product that meets the highest industry standards.

Optimal Airflow Efficiency: Airandus’ Flexible Ductwork is engineered to provide excellent airflow efficiency, minimizing resistance and pressure drops. This ensures that air can move smoothly and effectively through the ducts, maximizing the performance of your ventilation system.

Flexibility and Adaptability: Our Flexible Ductwork offers exceptional flexibility, allowing for easy installation in various configurations and tight spaces. This flexibility enables efficient routing around obstacles, simplifying the installation process and reducing labor costs.

Durability and Longevity: We understand the importance of durable ductwork that can withstand demanding environments. Airandus’ Flexible Ductwork is built to last, maintaining its integrity and performance over time. You can trust our products to provide reliable ventilation for years to come.

Energy Efficiency: Our Flexible Ductwork is designed with energy efficiency in mind. By minimizing air leakage and optimizing airflow, our ducts help reduce energy waste and lower operational costs. This makes them an environmentally friendly choice while maximizing energy savings.


Aluminum 4IN 5FT 06

Compliance with Certifications: Airandus’ Flexible Ductwork is rigorously tested and approved by respected certifications such as CE, RoHS, and UL. These certifications validate our commitment to safety, quality, and compliance with international standards.

Dedicated Customer Support: At Airandus, we prioritize customer satisfaction. Our team is dedicated to providing exceptional support, guiding you through product selection, installation, and any technical queries you may have. We strive to ensure a seamless experience and exceed your expectations.

Choose Airandus’ Flexible Ductwork for its superior quality, efficient airflow, flexibility, durability, energy efficiency, compliance with certifications, and outstanding customer support. Trust us to deliver ventilation solutions that meet your needs and contribute to a comfortable and healthy indoor environment.

If you need know more our products please download our catalogue to choose.”Experience exceptional customer service and reliable -Flexible Ductwork. Contact us now!”

Airandus-Flexible Ductwork Factory Show


What is a Flexible Ductwork?

Flexible ductwork, also known as flexible air ducts or flex ducts, is a type of HVAC (Heating, Ventilation, and Air Conditioning) component used for distributing air throughout a building or structure. It consists of a flexible outer layer made of durable materials such as plastic or metal, which encloses an inner core. The inner core is usually made of a coiled wire or plastic helix, providing flexibility and allowing the duct to bend and shape easily.

Flexible ductwork is designed to be versatile and adaptable, making it suitable for various installation scenarios. It is commonly used in situations where rigid ductwork is impractical or difficult to install, such as in spaces with limited access or irregular layouts. The flexibility of the duct enables it to navigate around obstacles and corners, providing a convenient solution for air distribution.

The outer layer of flexible ductwork is typically insulated to prevent heat transfer and minimize energy losses. The insulation helps maintain the temperature of the air being transported, ensuring efficient and effective HVAC system performance. Additionally, the insulation also aids in reducing noise transmission from the air movement within the duct.

Flexible ductwork is commonly found in residential, commercial, and industrial settings. It is used to connect air vents, registers, grilles, and diffusers to the main HVAC system, allowing conditioned air to flow into different areas of a building. It offers the advantage of easy installation, as it can be cut to the required length and easily connected to other components using compatible connectors or clamps.

It is important to ensure proper sizing and installation of flexible ductwork to avoid restrictions in airflow, which can negatively impact the performance of the HVAC system. Regular inspection and maintenance are also necessary to prevent blockages, damage, or leakage that may occur over time.

Overall, flexible ductwork provides a practical and versatile solution for distributing air in HVAC systems, offering flexibility, insulation, and ease of installation.

What is the difference between Ventilation Duct,Flexible duct,Flexible dcuting,Flexible Ductwork and Flexible Air Duct?

The terms “ventilation duct,” “flexible duct,” “flexible ducting,” “flexible ductwork,” and “flexible air duct” are often used interchangeably, but they generally refer to the same concept. Here’s a breakdown of these terms:

  1. Ventilation Duct: This is a broad term that encompasses any duct or conduit used for the purpose of air ventilation. It can refer to both rigid and flexible ducts and is a more general term.

  2. Flexible Duct: This term specifically refers to a type of duct that has a flexible construction, allowing it to bend and shape easily. It is typically made of a flexible outer layer and an inner core, often coiled wire or plastic helix, which provides the necessary flexibility.

  3. Flexible Ducting: This term is similar to “flexible duct” and is often used interchangeably. It refers to the flexible component used for air distribution in HVAC systems.

  4. Flexible Ductwork: This term refers to the system of flexible ducts used in an HVAC installation. It includes the main flexible ducts, as well as any additional components such as connectors, elbows, or reducers that are used to create a complete flexible duct system.

  5. Flexible Air Duct: This term is another way to describe a flexible duct used for conveying air in HVAC systems. It highlights the purpose of the duct, which is to transport air.

In summary, while there may be slight variations in terminology, these terms generally refer to the same thing: a duct that is flexible in construction and used for air distribution in ventilation or HVAC systems.

What are the advantages and disadvantages of flexible ductwork?

Flexible ductwork offers several advantages and disadvantages. Let’s explore them:

Advantages of Flexible Ductwork:

  1. Easy Installation: Flexible ductwork is relatively easy to install compared to rigid ducts. Its flexibility allows it to navigate around obstacles and fit into tight spaces, making it suitable for installations in areas with limited access.

  2. Versatility: Flexible ductwork is highly adaptable and can be used in various installation scenarios. It can be easily cut to the required length and connected to different components using compatible connectors or clamps, providing flexibility in system design.

  3. Cost-Effective: Flexible ductwork is often more cost-effective than rigid ducts, especially in situations where extensive modifications or additional materials are required for rigid duct installations. The ease of installation and reduced labor time contribute to cost savings.

  4. Noise Reduction: The flexible outer layer and insulation of flexible ductwork help reduce noise transmission, minimizing the noise generated by the airflow within the ducts. This can contribute to a quieter and more comfortable indoor environment.

Disadvantages of Flexible Ductwork:

  1. Airflow Restrictions: If not properly installed or sized, flexible ductwork can be prone to restrictions in airflow. Sharp bends, kinks, or improper stretching of the ducts can hinder the efficient flow of air, leading to decreased system performance and potential energy waste.

  2. Durability and Damage: Flexible ductwork may be more susceptible to damage compared to rigid ducts. The outer layer can be punctured or torn if not handled with care during installation or maintenance. Damage to the ducts can result in air leakage, reducing the effectiveness of the HVAC system.

  3. Heat Loss and Condensation: Flexible ductwork may have higher heat loss compared to insulated rigid ducts. If the outer layer is not properly insulated, heat transfer can occur, affecting the efficiency of temperature control. Additionally, if the ducts pass through unconditioned spaces, condensation may form on the outer surface, leading to moisture-related issues.

  4. Cleaning and Maintenance: Cleaning and maintaining flexible ductwork can be more challenging compared to rigid ducts. Accumulated dust, debris, or microbial growth within the flexible ducts can potentially reduce indoor air quality and require specialized cleaning techniques.

It is important to note that the proper design, installation, and maintenance of flexible ductwork are crucial to mitigate the potential disadvantages and ensure optimal performance. Consulting with HVAC professionals and following industry guidelines can help address these concerns effectively.

What is the production process of flexible ductwork?

The production process of flexible ductwork involves several steps. Here is a general overview of the typical manufacturing process:

Material Selection: The first step is selecting the appropriate materials for the flexible ductwork. The outer layer is usually made of flexible and durable materials such as plastic (such as PVC) or metal (such as aluminum). The inner core is typically a coiled wire or plastic helix that provides flexibility.

Fabrication of Outer Layer: The selected material for the outer layer is processed and shaped into a continuous strip or tube. This can be done through extrusion or by using preformed sheets or coils, depending on the material and manufacturing method.

Formation of Inner Core: The inner core, which provides the flexibility and shape of the duct, is created. For wire-based cores, a coil of wire is formed into a helix shape with the desired diameter. Plastic-based cores can be extruded or formed through molding processes.

Assembly: The outer layer and inner core are combined in the assembly process. The inner core is inserted into the outer layer, with the helix or wire structure fitting snugly within the tube or strip.

Insulation: If insulation is required, it is applied to the flexible ductwork. Insulation helps to prevent heat transfer and minimize energy losses. It can be added as a separate layer or as an integral part of the outer layer during the fabrication stage.

Cutting and Sizing: The flexible ductwork is cut into the desired lengths to suit specific installation requirements. The ducts may be cut manually or using automated cutting equipment to ensure accuracy and consistency.

Quality Control: The finished flexible ductwork undergoes quality control checks to ensure that it meets industry standards and specifications. This may involve inspections for proper dimensions, integrity of the inner core, and overall product performance.

Packaging and Distribution: The final step involves packaging the flexible ductwork for distribution and shipment to retailers, wholesalers, or directly to construction sites and HVAC contractors.

It’s important to note that the exact production process can vary depending on the manufacturer and the specific type of flexible ductwork being produced. Advanced production methods, such as automated machinery and computerized control systems, may be employed by some manufacturers to enhance efficiency and accuracy in the production process.

FAQs About Flexible ductwork

Q1: How do I properly size flexible ductwork?

A1: Proper sizing of flexible ductwork is crucial to ensure efficient airflow and optimal HVAC system performance.

Important information for sizing flexible ductwork:

Calculate airflow requirements: Determine the required airflow for each room or area to be served by the ductwork.

Consider friction losses: Take into account the friction losses that occur when air flows through the ducts. Use a duct sizing calculator or consult industry guidelines to ensure proper sizing.

Follow building codes and regulations: Ensure compliance with local building codes and regulations regarding duct sizing and installation.

Q2:What are the maintenance requirements for flexible ductwork?

A2:Regular maintenance is essential to keep flexible ductwork functioning properly and to maintain good indoor air quality.

Important maintenance requirements for flexible ductwork:

Regular cleaning: Schedule periodic cleaning to remove dust, debris, and other contaminants that can accumulate inside the ducts.
Inspect for leaks and damage: Check for any leaks, loose connections, or signs of damage in the flexible ductwork. Promptly repair or replace damaged sections to prevent air leakage and efficiency loss.
Maintain proper insulation: Ensure that the flexible ductwork is adequately insulated to prevent condensation and energy loss.

Q3: Can I use flexible ductwork in all HVAC applications?

A3:While flexible ductwork offers numerous benefits, it may not be suitable for every HVAC application.

Important considerations for using flexible ductwork:

Length limitations: Flexible ductwork is generally limited in length, and excessive lengths can result in increased airflow resistance and reduced system efficiency.
High-pressure systems: In applications where high-pressure air distribution is required, rigid ductwork may be a more appropriate choice.
Noise considerations: Flexible ductwork can produce more noise compared to rigid ductwork, so it may not be suitable for noise-sensitive areas such as recording studios or bedrooms.

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