A Whirlpool built-in dishwasher does the dishes for you every day. Special sensors measure how dirty the dishes are, adjusting the water use accordingly. That way, you can be sure that a Whirlpool built-in dishwasher doesn't use unnecessary amounts of water. Whirlpool built-in dishwashers come in different versions. The Whirlpool built-in dishwashers have a door-in-door system or a sliding door. Both systems have their own way of mounting and ensure the built-in appliance looks neat in your kitchen.