What is the most common duct material used for residential applications?

Galvanized steel is the most common duct material used for residential applications due to its combination of strength, durability, and resistance to corrosion. It provides a robust framework for air distribution systems, ensuring longevity and reliability in various environmental conditions. The galvanization process involves coating the steel with zinc, which helps prevent rust and corrosion, making it suitable for HVAC applications where moisture buildup can be a concern.

In addition to its physical properties, galvanized steel is relatively cost-effective and easy to work with during installation. It can be easily fabricated into different duct shapes and sizes required for residential systems. Furthermore, it has excellent air flow characteristics which contribute to the overall efficiency of HVAC systems, ensuring that conditioned air is effectively distributed throughout the home.

While other materials such as aluminum and flexible plastic are used in certain applications, they do not have the same level of widespread use as galvanized steel in traditional ductwork for residential settings. Aluminum ducts, for instance, are lighter and resistant to corrosion, but they can be more expensive and may not provide the same structural integrity. Flexible plastic ducts are often used in specific situations where easy installation is a priority, but they may not be as robust or durable as galvanized steel options.