As of 2015, combination washer and dryer units range from around 22 to 29.75 inches deep, 33 to 38.69 inches tall and 23.38 to 27 inches wide. The overall capacity ranges from 1.8 to 4.3 cubic feet.
Combination washer and dryer units not only save space, but they typically also save on water and energy use. Depending on the model purchased, these appliances feature a variety of wash cycles, including cotton, delicates, permanent press, speed wash and wool. Some machines feature allergen cycles, built-in water heaters and delay start options. Some available drying options include automatic temperature control, sensor dry and timed dry.