Product review (5 stars): Efficient and Stow-able
I had no idea there was such a thing! Then while shopping for a portable apartment-sized washer (another revelation) I saw this on Amazon. At first I was going to just buy a washing machine and hang my clothes on the shower curtain rod to air dry, but this turned out to be worth every penny.

Installation by myself was simple with the help of a drill, pencil and the included cardboard template, two brackets and four screws. I attached it to the inside of the door to my apartment's walk-in closet, and keep it folded down when not in use. When needed, I just open the door, fold out the unit, plug it in, hang up my laundry, zip up the vinyl bag, and turn it on. It holds about two loads from my little Haier 1 cubic foot capacity washing machine, and dries most items in 90 minutes set on high.

Of course, everything dries a bit stiff, but still softer and far faster than air-drying. Fabric softener in the wash really helps, too.

Be aware that because theres no exhaust vent going outside like a conventional clothes dryer, warm, humid air emits from the unit as the clothes are drying. This is a big plus in my chilly San Francisco apartment, but maybe not so much in the summer months elsewhere.

The noise it makes sounds like a quiet blow-dryer, so for me there's no issue with drying a load before going to bed. And I love the convenience of being able to do laundry in my bathrobe.