Flexible ducts are also the worst type of ductwork for airflow.
Flex duct vs metal duct.
Metal ducts are more rigid due to the nature of steel making them ideal to build an entire hvac system.
Sometimes the best route for a flexible duct run is up and over an obstruction.
Sheet metal ducts vs.
If your ductwork is properly sized it will be better than flex.
There are two basic types of ductwork to keep in mind when deciding upon your new system.
Matt risinger principle of risinger homes in austin tx is surprised by how few builders use rigid metal ducting anymore.
In a hot climate a well installed hvac system is a must for a new home.
Semi rigid metal usually aluminum duct is flexible and similar to foil ducting but quite a bit more rigid.
Made from sheet metal ducts with internal and external fiberglass lining.
It is typically installed with clamps.
Like foil duct semi rigid is used only for transition ducting and should not be concealed in walls or floors.
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09 05 2007 10 58 am 10.
This is because they re more versatile and flexible.
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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.
To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for.
In comparison to metal duct flex duct is easier and faster to install.
Rigid sheet metal and flexible ductwork.
One very important aspect of duct design to consider is the differences between flexible hvac ductwork and rigid duct insulation.
Each has its advantages.
But it needs to be sealed and insulated to today s standards.
The inner liner ribs restrict airflow more than sheet metal ductwork but not significantly.
See how matt and his crew use both rigid metal and flex for great air distribution in the homes they build.
Because of what it s made out of it tends to last a long time especially when it is properly cared for.