15 Coursework Example | Topics and Well Written Essays - 500 words

15 - Coursework Example Heating and cooling service technicians face a difficult task installing a machine in a major city such as Phoenix because of poor air quality due to humidity. This seems to be a huge problem for the citizens residing in these metropolitan areas, who complain of having symptoms caused by bacteria(http://www.phoenixenvironmentallawyer.com). What  Causes  Indoor Air  Problems? Without a doubt, indoor air problems source from inadequate ventilation, pollutants, amount ventilation. Inadequate ventilation is detriment to air since it increases air pollution by not diluting emissions from indoor sources. Poor air ventiliation accounts for 50% percent of air pollution problems. In addition, the cause of indoor air pollution can be displayed by incineration of certain materials such as oil, gas, kerosene and tobacco products. In this case, the age of the particular substance is a critical factor that determines how dangerous the emissions are. The third source for indoor air problems is Amount ventilation. Amount ventilation is harmful because they serve as barriers against outdoor air. High levels of pollutants present in outdoor air entering indoors can be a huge health risks for the residents. All of these factors accumulate to cause an indoor air problem, which continues to pose a threat for the environment. Ask any service technician about identifying a problem, and troubleshooting will be the answer. Troubleshooting is essential because it is standardized set of steps in order to identify the problem. The three phases of basic troubleshooting consist of checking the thermostat settings, inspecting the circuit breaker box, the natural gas line, and finally examining airflow(). Since ventilation remains as a top concern for homeowners, it is vital to understand the main causes that negatively affect ventilation systems. These problems consists of systems design, proportion of