alaTest has collected and analyzed 10 user reviews of NewAir AD-400 40 from Amazon.com. The average user rating for this product is 2.9/5, compared to an average user rating of 3.9/5 for other products in the same category on Amazon.com. People really like the usability. The performance also gets good comments, but there are some mixed reviews about the reliability. Some have doubts about the size and design.

The NewAir AD-400 Dehumidifier works well enough for a couple of interconnecting rooms but is not nearly as powerful as the dehumidifier we used for many years. I like the controls and the ease of operation, and I find it a lot easier to move around...