What is a common problem found with central air conditioning systems?

The issue of oversized distribution ductwork is indeed a common problem found in central air conditioning systems. When ductwork is too large for the system, it can lead to a variety of inefficiencies. Specifically, oversized ducts can cause a decrease in air velocity, resulting in reduced overall airflow effectiveness. This can lead to uneven cooling throughout the space, as certain areas may become over-cooled while others do not receive adequate air, leading to discomfort.

Additionally, oversized ducts can contribute to higher energy costs since the system may run longer to achieve the desired temperature, resulting in wear and tear on the equipment. Properly sized ductwork is critical for maintaining the efficiency and effectiveness of a central air conditioning system, ensuring balanced airflow and overall system performance.

While other issues like short cycling, insufficient refrigerant, and blocked air filters can also be problematic, the ramifications of having oversized distribution ductwork are specifically tied to airflow and system efficiency, which are foundational to the HVAC system's operation.