For stubborn stains and high end cleaning the pressure washer is what readily comes to mind. The commercial pressure washer is undoubtedly designed to do the toughest jobs of cleaning and also to give the desired outcome at the end of every cleaning process. What distinctive quality makes the best commercial pressure washer? This question should be asked when trying to get you the best commercial pressure washer. The qualities of the best commercial pressure washer are vast as its engine has to be super strong, the pump and the overall construction of the pressure washer has to be top-notch in addition to a powerful suction engine for the best results.