What's the difference between Power washing (pressure washers) vs a garden hose? What works best to get oil spots and gum off parking lots, garages and sidewalks? Well they both spray water yes, but can they both do an acceptable job cleaning your parking lot and parking garages. The simple answer is no. A hose does not produce enough pressure to clean up most parking lot stains such as oil spots and gum removal etc. Pressure washers are also more efficient in saving water, money and resources. While pressure washers use 10-50% more pressure than garden hoses, they use up to 80% less water. Pressure washers also have a significantly higher PSI than hoses. PSI refers to pound per square inch or, more accurately, pound-force per square inch. In layman's terms, it sprays a lot harder. Garden hoses are 40PSI, while a pressure washer can be 1500 to 3300 PSI depending on what kind of machine you use, light duty to industrial. That is a huge difference. Factor in the heated water of a power washer and you have a recipe for a clean parking lot, sidewalk or drive-thru.
Another question you might wonder, what if you change the hose nozzles will that make the pressure harder? Again the answer is no. You would have to change the pump that produces the water not the nozzle. This is how pressure washers work so well. Hope this helps you understand the very big differences between garden hoses and power washing. Garden hoses rinse and pressure washers clean. If you have any other questions, leave them for us in the comments.