LOVE this so far! This is much better quality than my other purifiers. The air quality indicator is awesome, and I like putting it on auto mode so it saves energy. The replacement filters aren’t that expensive either. My kitchen, dining room, and living room are all open to each other and I feel like it cleans the air of all 3 rooms very well. It is a little noisy when the fan is on the highest mode, but I can barely hear it when it is on one of the lower modes. Very happy with this purchase.