Product review (4 stars): Good washer for tight spaces (though with caveats noted below)
This is a compact unit, perfect (well, almost perfect) for tight spaces, with a stated cabinet width of 20.2".  However, as you can see in the picture, the drain hose exits the unit from the left side bottom of the unit, meaning that, if space is tight (and space is presumably tight or else you'd be buying a bigger unit) you either have to allow an extra ~1.5" to 2" (i.e., closer to 22") for the hose, or open the plastic back plate and re-direct the hose to exit from the rear.  The other problem is that, if you install using separate hot and cold water lines, the "Hot" setting appears to draw both hot and cold water, a fact the mfr confirms but can't really explain -- so instead of Hot, Warm, and Cold settings, you really have Warm, Warm, and Cold settings.  (The work-around to achieve a true hot wash is simply to turn off the cold water valve, if that's an option in your set-up.  Given that we try to avoid hot-water washes to spare our clothes, this is only a minor, if vexing, annoyance.)  Otherwise, the Avanti TLW16W is an attractive, well-designed unit that, even though agitator-less, swirls clothes around vigorously, providing a perfectly acceptable wash.