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How to Prevent Condensation on Air Conditioning Ducts

air conditioning ducts
Reading Time: 3 minutes

Did you know that condensation on air conditioning ducts is an extremely common problem? Unfortunately, even though it’s easily fixed, it’s often left unresolved.

Living in South Florida, the air conditioner is literally essential to survival, by that we mean, it’s always on. Recently, you may have noticed water droplets forming on your air conditioner ducts. This is the formation of condensation, also known as sweating.

While it may not have an immediate effect, long-term air conditioning duct condensation leads to a host of other issues. Art Plumbing, AC & Electric is here to share some easy ways to prevent it from happening.

What Is Condensation?

If we’re going to understand why condensation forms on our air conditioning ducts, we first need to understand what condensation is.

Have you ever been wearing glasses indoors and upon stepping outside or somewhere hot, your lenses fog up? That my friends, is… well, annoying. But it’s also a great example of condensation!

Condensation is the physical process of water vapor being transformed back into a liquid. This happens when the air cools down past its dew point from being exposed to heat. Essentially, it happens when something cool comes into contact with warm air. For all intents and purposes, the sub-tropical climate we’re privy to in South Florida is the ideal breeding ground for this exothermic reaction.

What Causes Condensation on Your Air Conditioning Ducts?

There could be several reasons why condensation forms on your air conditioning ducts. However, one of the main reasons is the temperature difference between your air conditioner vent and the air outside.

The formation of condensation could also be attributed to:

  • Improperly sealed air conditioner ducts or the lack of insulation around them
  • Too much moisture in the air
  • Dirty air filters
  • Clogged ducts

How to Prevent Air Conditioning Condensation

Luckily, air conditioning condensation is a common problem with various ways to prevent it. So, let’s take a closer look at some of the easiest ways, shall we?

  • Reduce the Humidity Level

    We may not be able to reduce the humidity level in the air, but we can reduce the humidity levels around our air conditioner’s ducts. An easy way to do this would be to leave spaces in between each one. This allows air to flow more freely.

    If the air ducts are in a crawl space under the home, then cover the soil to reduce the amount of moisture in the air. However, if the ducts are in the attic, it’s important to make sure that the area is properly insulated.

    Investing in a dehumidifier can also go a long way in reducing condensation.

    Pro Tip: The recommended humidity level for inside Florida homes is between 45% and 55%. Maintaining ideal humidity helps prevent the growth of mold, mildew, and condensation.

  • Unblock the Air Ducts

    It’s not uncommon for air ducts to become blocked so cleaning them regularly is important. Because the air is unable to move freely through the system, it becomes cooler inside certain air ducts. In turn, this increases the likelihood of condensation forming.

  • Keep the Air Filters Clean

    Air conditioning filters not only need to be cleaned often but they should also be replaced every 30 to 90 days. If you’re a pet owner or someone who struggles with dust allergies, the air filters should be replaced more frequently.

    Not sure what AC filter you need? Check out this handy guide from Art about how to choose the right air filter for your air conditioner.

  • Repair Any Leaking Air Ducts

    When an air duct is leaking, more cold air that seeps out. This means that even more condensation will form.

    So, how do you know if you have a leaking air duct?

    You could use a pressure gauge to detect the leak or by simply holding your hand near the air duct. Here you’ll be able to feel any air that’s escaping.

    These are all things that would be fixed during regular air conditioner maintenance scheduled with your local HVAC technician.

Why You Should Address AC Duct Condensation

As mentioned earlier, over time condensation can lead to a myriad of bigger issues.

If left without attention, condensation on the air ducts could lead to:

  • An air conditioner that is less effective at regulating the temperature inside your home
  • Condensation dripping on your roof’s insulation if it’s in the attic
  • Mold growth, which thrives in wet and humid areas

Do You Have More Questions About Air Conditioning Ducts?

As professionals, we understand that life can get crazy. Unfortunately, this often means that condensation on your air conditioning ducts may be the least of your worries. This sounds ‘cool’ in theory, but it’s not. Having an efficient air conditioning system in South Florida is basically essential for survival. 

Art Plumbing, AC & Electric makes fixing the issue of excess condensation on your AC ducts feel like a breezy walk in the park. So, for all your air conditioning and dehumidifier needs, don’t sweat it! Chill out and call Art today at 1-800-475-1504 to schedule an appointment with an experienced HVAC technician.

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