[Aqtlow]

I have a Laurel oak floor plan less than one year old and looking at the front of the house the garage and water heater are on the left and the bathrooms are on the right, with the water coming in to the house on the left and the sewer exiting on the right.
Now saying that, the kitchen sink is the closest fixture to the water heater- tankless mounted on the left front corner of the garage. The kitchen sink is the last fixture to get hot water, or so it seams anyway, the problem I am having is the dishwasher.
The dishwasher performers poor at best. Samsung is the brand. Does anybody have any information or suggestions as to how to improve the performance on the wash?