I have to say this air purifier is the perfect size for my office at home. The modern and sleek look will fit in any room. One thing I absolutely love about this air purifier is that I can control it from my phone. To me it’s a great feature because if I’m sitting working at my desk, I can simply use my phone to program if I want it on or not. When the purifier is running, it is very quiet. The fan speed adjust it, kicks on higher when it detects an odor in the air. It will run for a while on a higher speed until the air is clear, and then kick back down again. Another great feature is a light that illuminates to let you know the quality of air in the room. Blue is good air quality, while red indicates particles in the air that need to be cleaned. With having a dog and a smoker in the house this is a wonderful product. I would definitely recommend it to a friend.