Eff如何ective are Air Purifiers? With all this talk of CO2 emissions on the news, people are shutting their windows to keep the bad air out. Shut windows keep low quality air trapped in a home and are terrible for ventilation. The air inside is just as rich in contaminants as the air outside. Dust particles and mould spores, plus gases from cleaning contribute to poor quality indoor air. Air purifiers are designed to tackle the large particles, but not the gases. Air Quality Air quality both indoors and outdoors has an impact on overall health. Bad air can trigger asthma attacks and even increase the chance of having a stroke as…