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Choose From Multiple Types of Ductwork For Your Property

Barry Martin
October 18, 2021

In the changing climates of Texas and other places in the States, your ductwork is critical to the efficiency of your heating and cooling system. There is a range of multiple types of ductwork that you can pick from. 

It's helpful to understand your options to choose between and alternatives before having new ducts built or old ones fixed. 

Every industrial building has an HVAC system with a complex duct network. Duct systems in houses are frequently overlooked, and the same may be said for duct systems in commercial structures. Continue reading to find out more about what you need to know about your duct system.

Getting To Know More About Multiple Types of Ductwork

Almost every business building has an HVAC system (heating, ventilation, and air conditioning) with a complex duct network. Ducts are channels that transport cooled air from the air conditioning unit to the remainder of the building. Duct systems come in different shapes and sizes, including those for central air conditioning and heating.

Having a house or a company comes with a slew of obligations. We understand that you have a lot on your mind and that your building's ducting system isn't one of them, but that's fine! That is why we created this blog to provide you with helpful information.

There are three types of ductwork available;

1. Flexible Ductwork

Such ducts are usually tubular and composed of a conducting wire wrapped in a flexible, plastic material and surrounded by an insulator. Flexible ducting is ideal for cramped spaces where rigid ducts can't be installed, or rigid ducts can't be used to connect non-flexible ductwork to a ventilation terminal.

Flexible duct systems, like other central air-conditioning components, have unique installation requirements. Flexible ducting, for example, must be fastened appropriately and stabilized to avoid drooping or slithering.


Bends, twists, and loops should also be avoided since they restrict airflow and impair the efficacy of the air conditioning system. Flexible ducts have the advantage of being relatively easy to install while also being less affordable than rigid ducting.

2. Rigid Ductwork

Rigid ductwork can be square, rectangular, conical, or cylindrical and available in various materials and sizes. These ducts are typically insulated. They're popular since they're tough, long-lasting, and dependable.


There are three types of rigid ductwork:

i. Sheet Metal Ductwork

Galvanized steel and aluminum are the most popular materials for sheet metal ducts. Aluminum is a lightweight and simple material to work with. Due to various impenetrable,  rigid surfaces, as they don't have any pores, these materials are also the least prone to contain harmful molds or deformities.

ii. Fiberglass Lined ductwork

Fiberglass-lined ducts are similar to sheet metal ducts except that they have an interior fiberglass lining. Because it serves to soften the sound of the air conditioner unit, this duct system is more prevalent in commercial and industrial properties.

However, the fiberglass within those ducts is resistant to damage and ultimately discharges fiberglass particles into the air, posing a severe health risk due to exposure for an extended period. Furthermore, cleaning fiberglass-lined ducts is difficult due to the fact that the cleaning procedure might break the liners and discharge fibers. Rust and microorganisms can also cause contamination to the ductworks.

iii. Fiberboard ductwork

Fiberglass strands are made with resin in fiberglass ductwork, which is then coated with a laminated foil layer for humidity resistance. Since they are effectively insulated, fiberboard ducts are ideal for HVAC systems.

Nonetheless, we don't suggest it for ventilation. Because, like fiberglass-lined ducts, they may become hosts for mold and bacteria in moist climates. They, too, have rough edges, which can disrupt ventilation and reduce efficiency.

3. Semi Rigid Ductwork

Semi-rigid ducting is the best form of ventilation ducting viable since it provides users with several advantages. Because it is a 100% non-leakage ventilation duct, its high-quality semi-rigid ducting helps a ventilation system work at its best.

Semi Rigid Ductwork

High-quality semi-rigid duct systems, on the contrary, have higher flexibility. Specific semi-rigid ducting systems provide the installer with agility by allowing them to convert between round and elliptical ducting without compromising the hydrostatic force or performance of the HVAC system. Many semi-rigid duct systems feature anti-bacterial or fungal and pro linings, making them easier to manage.


Regardless, whatever ductwork you install, your ductwork should supply the appropriate amount of cold or warm air. And, to enhance air circulation and prevent outside air from entering any building space, ductworks should be sealed appropriately. Hence, cleaning your ducts can help to improve indoor air quality by removing pollutants from the air you breathe.

So, if you clean your air ducts regularly, you may obtain far more effective heating and cooling. We recommend contacting expert duct system cleaning service providers, All City Duct Cleaning, if you want the work done right. Cleaning your duct system will also result in significantly more effective cooling and overall airflow.

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