Front-load washers often fit more clothes per cycle than top-load models—a standard one with a 3- to 4.5-cubic foot capacity can accommodate around 12 to 16 pounds of laundry at once.

Quietest: Maytag High Efficiency Stackable Front-Load Washer-Dryer; Best for Athletic Wear: Frigidaire Stackable Washer-Dryer; ... an adjustable wrench, and of course, a stacking kit.