Water In Central Air Ducts

Keep ducts spaced apart so air can flow between them.

Water in central air ducts. Water in buried heating and cooling ducts can cause serious health problems. The moisture develops in areas of the home that are typically not cooled but that have ducts in them such as attics and basements. Sometimes the air. According to naima the source of liquid water in unused or nonoperating ducts is the air within a home.

Hi please help if possible i live in a pretty decent mobile home with a common central air system. All air contains some water in the form of water vapor. However in winter inside air typically has more water vapor than outside air because warm air can hold more water vapor than cold air said charles cottrell vice president technical services naima. Each time the heating or cooling system operates the air moving through the ducts can blast millions of mold spores throughout the house.

Reduce the humidity level around your air ducts. The water in the ducts can initiate the growth of mold. Condensation that forms on the outside of air conditioning ductwork is a common problem in many homes. Moisture can be a sign of low duct temperature.

If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed. Moisture can also collect in the summer if cool air passes through a duct in a room that isn t air conditioned. There are two possible ways to solve this problem. If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture.

The most likely explanation for the water in your ducts is that warm interior air is entering the ducts during the winter and the moisture in the air is condensing on the interior of the cold ductwork. Every year during the rainy season the ducts become half filled with water. So water is condensing on your ac ducts. There are a few common reasons for water in air ducts.

When water condenses and drips into your attic or home it can cause a some serious secondary problems. Water that leaks into the air duct and stays there causes mold to breed. The first is to keep your ducts. We have an old forced air heating system with the air ducts in the ground below the slab floor.

On removing a vent grill i can see now that at that point there was nearly a. Lately i ve been noticing water spots underneath the mobile home it is lined with a kind of fiberboard underneath and i realize now that it is due to water dripping from the air ducts that run through the floor. The problem is particularly prevalent in basements because they often have higher humidity levels. Martin holladay editor of green building advisor responds.

First water dripping off of your ducts and onto your insulation can cause the insulation to compress which decreases it s r value or ability to insulate.