A combination of pressure, measured in pounds per square inch (psi), and flow, measured in gallons per minute (gpm). Higher pressure results in better cleaning of a given surface; coupled with a ...

A combination of pressure, measured in pounds per square inch (psi), and flow, measured in gallons per minute (gpm). Higher pressure results in better cleaning of a given surface; coupled with a ...

In our lab tests we assess each pressure washer on the following: We regularly revisit the pressure washers on sale to see if there are any more popular models that need testing and when we find them, ...

Editor's Note: September 24, 2025: Autumn is here, and a pressure washer is perfect for tasks like cleaning outdoor tools and yard equipment before winter storage. Our recommendations below have been ...