A cleaning house is very important as less dust can help improve allergies and reduce asthma. A wonderful way to help guarantee clean air is to buy an air purifier. Air purifiers are especially important in houses because they quickly and quietly clear allergens and other particles, effectively remove odor, pollen, smoke, dust, pet dander, and almost all other pollutants present in the air. An air purifier is a must if you own pets and have allergies ensure a clean house and clean air.