1) Temperature. To Work in Too Cold or Too Hot is very hard. The indoor room temperature of offices and home should be constant and comfortable all the time.
2) Air Movement. The Rooms should have a proper circulations, the air should not be too moving or too still. Either a proper ventilated room or an Air Purifier is the solution for closed rooms to ventilate the air.
3) Humidity. The air indoor should not be too dry or too muggy in side offices and houses.
If these above conditions indoor are not good enough, it can affect health of the occupants. The indoor workers can have headaches, sinus problems, congestion, dizziness, nausea, fatigue, and irritation of the eyes, nose, or throat. Such symptoms are usually difficult to correlate with the workplace.
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