An air purifier is an almost absolute necessity if you have sinus problems or asthma. However even perfectly healthy people would like to have one, just in order to make sure the air they breathe is clean. And a good air purifier will do just that. It will also remove allergens and kill bacteria. Some models also charge the air with beneficial ions and emit ozone to kill molds and viruses.
However, if you buy a bad model it will not truly clean the air, leaving you with the illusion that you are breathing clean air, while in reality you are not. So it would be good to know the market prices and quality brands before you set to buying an air purifier. And we can help you find the perfect model, since we have assembled the five best air purifiers in this list.