Kitchen & Housewares : Vornado AQS15 Air Quality System

Rating: - Love it!
It is a loud machine but it's great for me because I live on a noisy street and it blocks out all the other sounds so I can sleep at night! It works great too, and it's small in size and not heavy, so when I have people over that smoke I move it to the living room or wherever we are and it completely eliminates the smell.

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Rating: - Nice machine, but too loud
I just purchased all three Vornado air filters: the AQS15, AQS25, and the AQS35. All have the same basic design, and the higher the model number, the larger the size. The AQS25 and 35 deserve five stars: good design, and quiet operation. The AQS15, however, has one major problem. It is loud. On its lowest setting (of the three speeds it has), it is as loud as either of its bigger siblings on their highest settings! The AQS15 is so loud that I personally can't stand to be in the same room with it. An air filter should be seen and not heard. I don't know why it is so loud, possibly because of its small size and the huge volume of air that it moves. I own other Vornado products, such as their heater, fans, and humidifier. This is the first time Vornado has disappointed me.

Bottom line: if you want a *quiet*, high quality HEPA air filter, get the AQS25 or 35. The AQS25 is the best buy for the money. On the other hand, if you don't mind having a filter that sounds like an old fashioned 9-horsepower box fan, then get the AQS15. Aside from the Vornado design, the only thing this filter has going for it is its small size.