To get some fresh outdoor air into your home is important for your health - 0 views
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swdimports on 25 May 17Fresh outdoor air contains 400 ppmv (parts per million volume) of CO2 (carbon dioxide). Humans and animals exhale the same gas at the same time in amount that depends on their physical activity. In rooms that are not sufficiently ventilated, this gas accumulates and causes what we can call the stuffy air. Staying in such rooms can lead to many health problems - from fatigue and drowsiness to irreversible damage of your health. What give you a completed ventilation control? Try uPVC tilt and turn windows.