Automotive Service Excellence (ASE) Air Conditioner Certification Practice Exam 2025 - Free ASE Air Conditioner Practice Questions and Study Guide

High humidity significantly impacts the performance of an air conditioning (A/C) system. When humidity levels are elevated, the moisture content in the air increases, which affects the heat exchange process within the A/C unit.

In an air conditioning system, one of the primary functions is to remove heat and moisture from the air to provide a comfortable indoor environment. Higher humidity means that the system not only has to cool the air but also remove a greater amount of moisture. This added burden can lead to a higher load on the compressor and other components of the A/C system. As a result, the system may operate less efficiently, ultimately leading to decreased cooling output and increased energy consumption.

Maintaining a comfortable indoor climate becomes more challenging under high humidity conditions, often resulting in longer running times for the system and a reduction in its overall efficiency. Therefore, option C accurately reflects the effects of high humidity on A/C system performance.