IREM Certified Property Manager (CPM) Practice Test 2025 - Free CPM Practice Questions and Study Guide

Using the correct size air conditioning unit plays a significant role in controlling mold growth in buildings. An appropriately sized air conditioning system helps maintain optimal indoor humidity levels. High humidity levels create an environment conducive to mold growth, as mold thrives in moist conditions. A correctly sized unit efficiently cools the air and removes excess moisture, helping to create a drier indoor environment that discourages mold development.

On the other hand, inadequate ventilation or allowing water to accumulate around foundation walls can exacerbate moisture problems, leading to increased mold risk. Additionally, reducing airflow through the building does not promote adequate drying or humidity control, which could further encourage mold proliferation. Therefore, ensuring that the air conditioning unit is properly sized is essential for maintaining a healthy indoor atmosphere and preventing mold growth.