When you are looking to wash the siding of your home, what type of machine is best? Clearly you don’t want to go and scrub at the siding yourself. You are likely thinking it’s time to get a pressure washer to help you out. But do you use a power washer…or a pressure washer? Pressure washing and power washing are often used interchangeably. They both achieve the same goal – to get things clean. But how they achieve that goal is quite different.