Let's Discover the air problems in your home !
Highly airtight and insulated house can cause bad ventilation,dew condensation and indoor air pollution.
Hazardous substances caused by sick house or allergy, are even more active during summer due to high temperature and high humidity
Please click the icon to show the influences of various pollutants Please click the icon to show the improvement through ventilation
Please click the icon to show the advantages of installation ventilating fans in the house Please click the icon to show the disadvantages of without ventilation
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