Pressure Washing Guides
Five short guides: how to choose a pressure washer, PSI vs GPM, nozzle colors and angles, gas vs electric, and safety. Each links to the tools and to the matching picks.
Choosing
How to choose a pressure washer
Five steps, from the job to the listing.
Gas vs electric
Power source, where each can run, upkeep, and where cordless fits.
Understanding the numbers
PSI vs GPM
What the two figures mean, cleaning units, and max vs rated pressure.
Cleaning units calculator
Multiply a washer's listed PSI by its GPM. All tools are on the tools page.
Technique
Nozzle guide
What 0°, 15°, 25° and 40° tips do, and why colors vary by brand.
Safety
Pressure washer safety
The sourced essentials, from CDC guidance and owner's manuals.
- Cleaning units calculator: multiply a washer's listed PSI by its GPM. All tools are on the tools page.
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