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Abstract

Poor indoor air quality (IAQ) caused many problems for human; those problems can be classified into health problems which reduce the efficiency and output especially in workplaces. For example, health problems, like asthma and pulmonary inflammation, lead to low attendance level which affect the output. The main purpose of this paper is to review scientific literature on air filtration system effectiveness in improving indoor Air Quality (IAQ). These studies include topics such as: chemical, biological, gases, particle and bacteria. Indoor air pollution emitted by occupants, equipment, furniture and building are also included. Portable air cleaning, filtration system and ventilation methods application in HVAC system, recent research relating filtration type and ventilation used in laboratory environments and the large space applications are also reviewed. The scope of studies investigated includes appropriate air filter technology and the compatibility between cost, the health problems, energy consumption and its relationship with filter pressure drop. Future studies are suggested to focus on cleaners and air filtration, ventilation and energy consumption in office buildings.