Once in a while we come across a product which is a real game changer, and this is one of them! After putting this air purifier through our rigorous testing protocol, the QuietPure Home came through with flying colors. In fact, nearly flawless, it really doesn't get any better. This QuietPure Home is the industry’s newest, most advanced air purifier for both residential and office environments. It is quieter (essentially silent), cleans more air and is easier to use than other brands; making the Home air purifier our first choice for allergy sufferers and those who suffer from asthma or severe respiratory diseases such as COPD. With your new QuietPure, you are equipped with real data that puts you in control of your home's health, enabling you to make changes to your environment and secure the health and well being of everyone in the family. Category Winner for Quiet.