15-inch Surface Cleaner
Spinning-bar cleaner that turns driveway and patio work from hours of striping into even, fast passes. Match the rated PSI to your washer.
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The pressure washing buyer’s guide
Clean like a pro.
Clean like a pro.
Buy like an expert.
Clear, independent recommendations on pressure washers, surface cleaners and detergents — matched to the job, not the hype.
- 10machines shortlisted
- 3power types compared
- 0paid placements
Editor’s picks
The short list
Three machines that cover most homes. Start here, or explore the full rankings.
60-second finder
Which washer fits your job?
Answer two questions and we’ll point you to the right class of machine.
Shop by type
Choose your power
Electric
Quiet, light, no fuel. 1,300–2,300 PSI. Best for cars, decks and patios.
Top electric picks →Gas
Maximum cleaning power. 2,800–4,000 PSI. Best for driveways, siding and paint prep.
Top gas picks →Cordless
Battery-powered portability. Draws from a bucket. Best for boats, RVs and quick rinses.
Top cordless picks →The secret to faster cleaning
Pressure gets attention. Flow does the work.
PSI loosens dirt; GPM carries it away. Multiply the two and you get cleaning units — the most honest single number for comparing machines.
Read PSI vs GPMGreenworks 1500 PSI1,800
Sun Joe SPX30003,573
Ryobi RY1423002,760
Westinghouse WPX32008,000
Simpson PowerShot PS32288,250
Cleaning units = max PSI × GPM, from manufacturer ratings.
Upgrade your setup
Accessories that change the job
The right attachment saves more time than a bigger engine.
Adjustable Foam Cannon
Clings thick soap to cars and siding so detergent can work before you rinse. Check that it fits your gun: most electrics need an adapter.
View on AmazonQuick-Connect Nozzle Set
Replacement 0°, 15°, 25°, 40° and soap tips. Buy the orifice size that matches your washer’s PSI and GPM.
View on Amazon50 ft Flexible Hose
A longer, kink-resistant hose means less dragging the machine around. Confirm thread type (M22 or 3/8") before ordering.
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