I recently purchased the A2 after having owned the GS for two years. The GS model that I have, that is no longer available, was highly sensitive when set on automatic. If my cat walked by it, the speed would change. If I made my bed from 8 feet away from the purifier it would sense it and change the speed. I was very impressed by this. The remote on the GS was wonderful as it had all the icon settings on the remote so that I could operate the purifier from my bed if I wanted to. I mention these things about the GS because the A2 is lacking these two features I loved best about the GS. The remote on the A2 has the buttons for Speed and Mode but in order to see what settings I want to set it on I have to walk up to the purifier, bend over, put my face within 2 feet of the face of the purifier so that I can read the settings by tiny LED lights. Why bother with the remote? The purifier had no sensitivity. I shook a blanket next to it and no speed change. I called Customer Service and they instructed me on how to set the sensitivity levels which involved a process. I have it set on the most sensitive setting and it still isn't as sensitive as the GS. I prefer the styling to be as inconspicuous as possible. I don't want the purifier to be a focal point of the room.The white A2 is too bright white and has the silly light bar thing across the front. I'd be happier if all the settings were on the remote and not on the front panel and if it were a more neutral, less extreme, color to blend with all color schemes. (Such as the gray GS). I believe the A2 is doing the job and it is very quiet but I don't see how it is an improvement over the GS. Perhaps there are features of this purifier that I don't understand and I'm open to correction. I would still recommend a RabbitAir for the quality and Customer Service was excellent. But I truly hope they get rid of the useless "remote" and keep the old design of the GS remote.
Excellent, quiet, effective. We bought one last year, and another this year for our upstairs. I wish you could turn off or dim the control lights, though. It's a bit bright for our bedroom, so we put a sheet of cardboard over the controls at night.
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