There should be a no smoking policy for the facility. Filtration systems should remove any particles larger than 10 microns. Dust and particulates should be removed to decrease the hazards for allergy sufferers. The most significant cause of complaints of indoor air quality is lack of outdoor air. While operable windows do not increase the energy efficiency of a space, they do allow fresh air into an interior space, as well as allow the users to control their interior temperature.
Ventilation can force fresh air into a space as well.
This must have a filtration system on it that will filter any particles that may cause hazards for allergy sufferers. Formaldehyde is suspected to be carcinogenic. The natural diffusion of air through porous materials such as brick, stone, lumber, and plaster can create a breathing skin that can add to air exchange and help to absorb moisture. The air inside a sealed energy-efficient office building often has ten times more pollutants than outdoor air. Radon is a naturally occurring radioactive gas that is found in the soil in varying concentrations depending on location.