Ventilation systems take care of the indoor air quality of a room by getting rid of stale air and introducing fresh outdoor air into the room. A ventilation system can also help clean the air to ensure that you breathe air that is not contaminated.

The following are some signs that you may need to replace your backup system.

Indoor air quality is a phenomenon that is strongly linked to people’s health and wellness. You should be concerned about indoor air quality because it is likely that you spend a good amount of time indoors, be it at home or at work.