Poor maintenance: the real culprit
Well-maintained A/C units that effectively clean the air are actually quite beneficial. In fact, research from Yale University suggests that air conditioning can even reduce heart problems. However, there are definite drawbacks. Units that are not properly maintained develop clogged filters. The damp environment becomes a breeding ground for mold and bacteria, posing health risks. When the air expelled from the A/C is of low quality, it can lead to colds, sore throats, flu-like symptoms, watery eyes, and irritated airways. Asthma sufferers may also experience breathing difficulties.
