Flex Duct Vs Metal Duct

In a hot climate a well installed hvac system is a must for a new home.
Flex duct vs metal duct. Sometimes the best route for a flexible duct run is up and over an obstruction. Made from sheet metal ducts with internal and external fiberglass lining. Sheet metal ducts vs. One of the major advantages of sheet metal ductwork is its staying power.
It is typically installed with clamps. If your ductwork is properly sized it will be better than flex. Rigid sheet metal and flexible ductwork. View profile view forum posts visit homepage view forum threads.
One very important aspect of duct design to consider is the differences between flexible hvac ductwork and rigid duct insulation. See how matt and his crew use both rigid metal and flex for great air distribution in the homes they build. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. Each has its advantages.
408 422 2987. Metal ducts are more rigid due to the nature of steel making them ideal to build an entire hvac system. Matt risinger principle of risinger homes in austin tx is surprised by how few builders use rigid metal ducting anymore. Flex ducts are better for existing trunk and branch heating and cooling systems.
The inner liner ribs restrict airflow more than sheet metal ductwork but not significantly. This is because they re more versatile and flexible. In comparison to metal duct flex duct is easier and faster to install. Flexible ducts are good for air quality because you are not breathing in fiberglass insulation lined ductwork like the fiber air ducts and they are mold and rust resistant unlike galvanized.
But it needs to be sealed and insulated to today s standards. There are two basic types of ductwork to keep in mind when deciding upon your new system. Like foil duct semi rigid is used only for transition ducting and should not be concealed in walls or floors. Flexible ducts are also the worst type of ductwork for airflow.
Semi rigid metal usually aluminum duct is flexible and similar to foil ducting but quite a bit more rigid.