Air cleaners will help improve the air situation. You must decide which area of the room will be subjected to the air cleaning process. There are small devices that can be transferred from room to room and designed to work in small rooms. Next, you need to decide on the problem that you plan to solve using the air cleaner. After all, in fact, there are a large number of technologies for air purification. Depending on how many air purification technologies are included in the device, its price will depend. For example, if a person suffers from allergies, and knows why he arises from him, then you can purchase an air cleaner with filters, struggling specifically with dangerous allergens.