Does Ductwork Go Bad? Four Reasons You Might Want To Consider

Unless you make a point to annually inspect your home’s HVAC system, you probably haven’t thought twice about your ductwork- I mean since it’s made out of metal, it should last a while, right? On average, ductwork should be replaced every 15-20 years due to aging, leaks or inadequacies. Plus, if you live somewhere at the shore, like Ocean City or Sea Isle City, let’s not even talk about what the the salt air can do to metal. So, that’s why preventative maintenance checks are so important- professionals will take a look for you. In addition to checking over your heating and cooling system, Lenegan Plumbing & Heating LLC assess your home’s ductwork too. Here are some reasons why ductwork can go bad:

  1. Thermal Stress: Simply, winter heating causes the ductwork to expand while summer time cooling causes it to contract. This movement can disconnect seams and cause leaks. In some cases, poorly joined ductwork that is not attached with screws or sealed with mastic or aluminum duct tape will pull itself completely apart.
  2. Restricted Air flow: The shorter and straighter the duct work runs, the better the air flow. When air moves through duct work, it can slow down due to friction from running into the inside walls of the duct. Therefore, some rooms may not get cool enough in Summer or fail to get warm in Winter.
  3. Poor Insulation: Apart from leaky duct joints, uninsulated metal duct work can rust due to condensation forming on the metal during the Summer air conditioning season. Rust can eat holes into the metal and cause leaks or break down connections.
  4. Updated HVAC System: Lastly, you might need to replace old duct work is if you are installing a new high efficiency HVAC unit.

We here at Lenegan Plumbing LLC offer an extensive preventative maintenance tune-up that asses your HVAC Unit and ductwork, to take a look at the services we provide take a look at our service contract. If you have any questions regarding your heating and cooling system, give us a call at (609) 399-1200.

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