As there are a lot of rooms in your home, this is not possible that you will get a purifier for each room and have clean air in the whole home. You can choose one room in your home and then can easily have some fresh and pure breathe there. Having a separate air purifier for every room is not encouraged as it can cost you a lot and can give you a lot of trouble as you will then have to spend a lot of time maintaining them all. You will have to clean each of them, change the filters of all of them, and solve other technical problems that might occur while you are using them. You can get one air purifier in the room where you spend most of your time. The ideal room is always your bedroom, as you are spending most of your time there. Along with spending most of your time there, you are also sleeping in there, and if you are inhaling fresh and clean breath while you are sleeping, then you will never have a tiring or bad day the next day. You will always wake up fresh, and your whole body will be ready to face the world and all the toxic gases and pollution present in the air. But, you can choose the air purifier with the wheels so you can take it with you in every room that you go to. There are also a lot of air purifiers being launched in the market that clean all the air around you. They can be installed in your entire home instead of just in one room, and wherever you will go, you will have a refreshing breath. These air purifiers are not very much encouraged as they require high maintenance and if you are the only person residing at your place, then you can get one of the small ones and carry them around with you then. Anyhow, the big systems that can purify all the air present in your rooms can also be connected to the heating or cooling system of your home and give you the ultimate results.