Learning About Residential Furnaces

Air Conditioning Installation: Challenges Of In-Slab Ductwork You Should Be Aware Of

The air duct system plays an important role when it comes to the performance of the air conditioning system. Since it is responsible for moving air into the air conditioning system, how in-shape it is usually determines the rate of airflow in the air conditioning system. And since it is also responsible for dumping the air-conditioned air into the home, how clean it is plays a role in determining the air quality of the home.

It is important to be aware of the challenges that usually face in-slab duct systems simply because they not only affect the performance of the air conditioning system, but also determine the quality of air in your home. The following are the most common challenges that homeowners with in-slab air duct systems face.

Water challenge

Since in-slab duct systems are installed underground, they are usually susceptible to water infiltration. Installing the duct systems at a depth that is below the high water table of the area usually exposes it to ground water. The fact that the air ducts are installed in the floor also makes it easy for any water that leaks from burst pipes to leak into the system.

The presence of water in the duct system is something that will negatively your air conditioner. This is because the water will occupy the space that is intended for airflow. This will lead to restricted airflow over the evaporator coil area. If this condition persists, it may lead to evaporator coil icing. Moisture presence may also cause mold and bacteria to thrive in the duct systems, something that will definitely reduce the quality of air that the air conditioner eventually dumps into the home.

There are various ways through which homeowners can overcome water challenges. The first is by avoiding too-deep installations – the aim should be to keep the ducts above the high water table of soils on which a home is built. The second is by installing air conditioner duct vapor barriers that help to protect the duct system from water leaks.

Collapse challenge

When installing in-slab ducts, one has to be mindful of the weight of the overlying concrete. This is because the weight of the overlying concrete can cause the walls of the duct system to collapse. This may then cause restricted air flow, something that may then reduce the efficiency with which the air conditioning system operates.

To keep the walls of the duct system from collapsing, reinforcing the area around the duct system is advisable. Using structural reinforcement made from steel will shoulder most of the crushing force of the overlying concrete and thus protecting the ducts.

To learn more, contact a company like Jerry Boschert Heating & Cooling.   


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