Everyone needs quality. When we buy something the find point that we evaluate is the quality of that item. Similarly when it comes to air conditioner repairing then one should always go for quality engineering. The meaning of quality engineering for air conditioning system repair is to engage an individual who is aware and have knowledge about analysing and evaluating the indoor environmental conditions. A quality engineer is well trained and experienced individual having expertise in repairing the root cause of the problem. Although you will agree that a quality engineer must do your air conditioner repairing still some of the benefits that they impart are as follows: Increases ventilation rate: It is observed that when the outdoor air supply is increased then the pollutant tend to settle down in the internal environment only. This adversely affects the health of the resident. In order to avoid this situation you must get your air conditioner serviced with quality engineer. He/she will be able to intimate or guide you regarding this problem.