AC units are supposed to deliver cool, clean air into the home, not trigger your allergy symptoms. The fact is, a poorly maintained AC unit can drive unwanted and harmful pollutants inside your home, triggering uncontrolled coughs and wheezing. A little cleaning goes a long way in preventing these symptoms in the first place.
The air filter is designed to collect contaminants. Failing to keep it clean not only affects air quality, but also makes your unit work harder. Eventually, it leads to higher energy bills. If you notice that the filter is dirty, take it out and give it a complete inspection. Signs of wear and tear necessitate a filter change, while filters still in good condition just need thorough cleaning. Read more on this article. http://bit.ly/2rKb0EX