Factors affecting indoor environment quality

We spend 90% of our time indoors, so Indoor Environment Quality is important for human health and spirit. There is 6 main factors affect to IEQ as following:

• Surrounding Environment: Climate, geology, hydrology; Landscapes, plants, animals; Neighboring buildings, the planning area; The level of environmental pollution
• Structure, cover façade: Bearing capacity; Covering capacity; Shape, direction; Connecting to the outside; Security, preventing and fighting fire
• Interior space: Dimensions of space; Partition and arrangement of space; Decoration; Lighting
• Material used: Good for health; Suitability, comfort; Green (recycling, reusing…)
• Equipment of building: Wiring, Lighting, Plumbing, HVAC
• Activities of human: Emission: CO2, heat, sound; Using equipment

During the design process, it is necessary to note the above factors to improve the quality of life.