How Do You Stop Condensation on Your AC Ducts?


Condensation from your air conditioner is nothing to sweat about…literally! While it may be gross to think about, understanding condensation, why it forms, and how to prevent it will ensure your AC system stays in tip-top shape. So, what is condensation? In short, water vapor has transformed into a liquid state. The vapor will transform into water droplets when humid air comes into contact with a colder surface—like your AC ducts.

While a small amount of condensation is normal, long-term exposure can lead to serious problems—for example, wood rot, mold growth, and decreased efficiency. Knowing how to prevent condensation will save you time, money, and headaches in the long run. Following some simple tips can help keep your AC system running smoothly for years to come.

Insulating Your AC Ducts

Most people don’t think about AC ductwork until there’s a problem. But the truth is, your ductwork is one of the essential parts of your AC system. It’s responsible for carrying cooled air from your AC unit to the different rooms in your home. And if it’s not working properly, you could have serious problems. One of the most common problems that can occur with ductwork is condensation. When warm air hits the cold ductwork, it can cause water to form on the outside of the pipes. This can lead to various problems, including mold growth and structural damage.

Luckily, there’s an easy way to prevent this from happening. Wrapping your AC ductwork in duct wrap is an effective way to insulate and prevent condensation. Duct wrap comprises a foam insulation inner layer and a foil outer layer. To install it, wrap it around the AC duct and fasten it with duct tape near the joints. This will create a barrier that will prevent condensation from forming outside the pipes. Not only will this help to protect your AC system, but it will also help to improve its efficiency. So if you’re looking for an easy way to prevent condensation, invest in some quality duct wrap.

Change Your Air Filters Regularly

New or cleaned HVAC filters can reduce energy consumption by 5% to 15%. Dirty filters can contain pollutants that reduce the air quality in your home.

Because they restrict airflow, dirty filters can also contribute to duct sweating. This reduces the cooling efficiency of your air conditioner and its ability to dehumidify. That is, it does not remove excess moisture from your home’s air.

Filter replacement should be done more frequently in homes with pets, as their fur can clog filters. If someone in your household smokes, do the same, or better yet, prohibit indoor smoking.

Duct Maintenance Is Key

Human hair, pet dander, dust, debris, and even dead insects can clog your ducts like in air filters. A buildup of these in the ducts also reduces airflow. Cleaning ductwork, unlike air filters, is more difficult because it is often difficult to access. Working with a professional HVAC contractor to schedule ductwork maintenance and cleaning is best. They have specialized cleaning and vacuuming equipment to unclog those ducts.

At MasterCraft Mechanical, we are your trusted HVAC contractor. Whether you need duct maintenance or AC installation in Fort Worth, TX, we’ve got you covered.


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