Cleaning Systems, Inc. has been the trusted provider of cleaning equipment for commercial and industrial customers. We offer pressure washers, parts washers, wastewater recycling systems anda full line of detergents for the cleaning equipment we sell. Not Sure How to Choose a industrial Pressure Washer, at Hotsy were here to help. Where you use your pressure washer may sound like a silly question, but whether you're cleaning indoors or outdoors can make a huge difference when deciding how to choose a pressure washer, in addition to the power of the heat source and the mobility needed of the equipment.