Water In Floor Heating Ducts

Water in buried heating and cooling ducts can cause serious health problems.

Water in floor heating ducts.

Hvac ductwork in floor slabs. Each time the heating or cooling system operates the air moving through the ducts can blast millions of mold spores throughout the house. Push the pole into the air duct and allow the rags or sponges to absorb the water. Hvac air ducts located inside concrete slab floors invite a surprisingly broad range of building problems that fall into two broad categories.

This article describes heating and air conditioning ducts that have been placed in or beneath concrete floor slabs. It differs from a register because it does not have a damper to control airflow. And third in extreme cases it can cause instability in the foundation and concrete floor slabs. There is little you can do to avoid water getting into the ducts in a flood but if your house sits where water can get in during heavy rain you should consider diverting water around the home.

If you see water in any vent you should examine all of the other boots and ducts for water. Sometimes the air. What causes condensation in hvac ducts. It can also form small water pools on the floor in severe cases.

Our 1968 home in md has had water in the floor vents on and off for 20 yrs. This method involves lowering the hose of a wet and dry vacuum into the opening of your air duct towards where water has gathered and sucking it all out. I ran a french drain years ago. You will need to dig a trench to divert the water away and permanently stop the water from entering ducts.

Second damage to the heating and cooling system can occur. Every year during the rainy season the ducts become half filled with water. Moisture can also collect in the summer if cool air passes through a duct in a room that isn t air conditioned. This is ideal if the water is not pooling and can easily be cleaned by the rags.

There are a few common reasons for water in air ducts. Grilles the function of a grille is to pull air from a room to return it to the heating or cooling system. During the heating season unused air conditioning ducts located in unheated rooms can collect moisture. Moisture can be a sign of low duct temperature.

Main causes for condensation occurring in your ac ducts include the temperature difference between the outside air and ac vent improperly sealed ac ducts and lack of insulation around these ducts. Functional troubles such as lack of air flow or collapsed ductwork and environmental problems such as. Is your vent positioned in your baseboard instead of the floor. I am interested in filling and sealing off all of the ducts in the slab an using only.