Air conditioning & health

More and more health concerned people pay attention to indoor air quality. You may experience health effects from indoor air pollutant soon after exposure or possibly even years later. Air conditioning is able to prevent or reduce some of the health effects.


The way houses and buildings are constructed to conserve energy has reduced the natural ventilation of fresh air, which, in the worst case, results in sick building syndrome. When you stop ventilation of the house, you’ll reduce the energy required to heat and cool the house. But this means also that humidity levels are maintained within the house by re-circulating the same air and pollutants day after day. Dust, smoke, bacteria, virusses, mold, fungus, mildew and gasses circulate through the house.


The dust comes from the skin, hair, clothes or just comes off shoes when we walk in and out. The mildew, fungus and molds can come in along with the dust. Gasses can be caused by dyes, paints, varnishes and adhesives.


And, humidity of at least 50 % greatly reduces the survival rate of the influenza virus.


Solutions to lower the concentration of indoor air pollutants are ventilationfilters and humidity control. Air conditioning offers these solutions. Every air conditioning unit has a filter. The type of filter depends on the type of system. A system with integrated ventilation requires a less effective filter. The efficiency of a filter is measured in the percentage of arrestance of particles.

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