Replacing Duct Work

Do you have any idea what is duct work in HVAC units? Duct work is used for transportation of air. The airflow includes the supply of air from inside the house that needs cooling or heating, the return and dispersion of the conditioned air throughout the house and also the exhausting of the air as and when required from the house. Thus, the main function of duct work is to move air and duct works are of different shapes and material. It is quite common to find rectangular, oval and round shaped duct work made up of metals, fiberglass or even flexible plastic.

However, it is a problematic situation when there are some problems in the duct work and it needs replacement. Some of the common problems of duct works are the following:

Sloppy design: Duct work that has not been correctly designed or installed is not able to cool or heat your room adequately
Leaky duct work: If the duct work is leaky most of the air moving through it will be lost. So it is important to have properly sealed duct work.
• Loose registers and grills
• Flexible ducts that are twisted, kinked, crushed or torn
• Pest damaged duct work
• Uninsulated or improperly insulated duct work
• Dirty air ducts

Thus, these are some of the common problems faced by duct works and when any of these situations arise, it is pertinent to take good care of them.

When discussing about the replacement of duct work, a common question that might come into the minds of many is the way to understand whether duct work requires replacement.

First of all you need to consider the age of the duct work. For example, if the duct work of your house is more than 10 or 15 years old it may be time for replacement because the normal life span of duct work is around 10 to 15 years.

It is important to check the exposed ducts in areas like the crawl space or the attic. You should look for holes or tears. One should also look for disconnected joints or eroded duct shapes.

It is also important that you visit each of the rooms and check the airflow. The moment you feel that the airflow in any of the room is not proper, you should become aware. This is because it may be a sign that the duct work has eroded and needs a replacement.

Another effective way to check whether you duct is functioning well is to check the duct blower test. This is generally conducted by the HVAC company specialists. This is a test in which the technicians test the amount of air that is leaking through the ducts.

It needs to be mentioned here that replacement of duct work is a job best suited for the HVAC professionals because they have all that is necessary to replace and check the condition of an existing duct work. However, as a homeowner if you think of replacing the duct work the things that you would need includes the following:

• Measuring tape
• Paint brush
• Scissors
• Aluminum tape
• Plastic rib
• Duct tape



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