The rotating spray arm worked smoothly and quietly. While most of the other midsize models we tested were housed in plastic, the powder-coated steel housing and stiff ¾-inch bristle ring felt much more durable. It was large enough to clean 500 square feet of driveway in less than 5 minutes and also lightweight enough to use comfortably on vertical surfaces like our fence. We especially liked the combination of durability and performance in the Simpson 15-inch surface cleaner. While it doesn’t have a grease fitting, the stainless steel wand and nozzles resist corrosion from typical use. The fitting allows users to snap their pressure washer wand on and off the unit with ease. This pressure washer surface cleaner from Simpson features a ¼-inch quick-connect fitting. With a 3,700-psi maximum rating and a 140-degrees Fahrenheit maximum water temperature rating, it works with most gas-powered cold-water pressure washers. This semipro model features a 15-inch deck made from heavy-duty powder-coated steel for durability. Best OverallĭIYers hunting for a quality pressure washer surface cleaner that can be attached to a wand may want to check out this model from Simpson. Read on to find out how each one performed and whether one may be right for your next cleaning project. With all of that background information in mind, we tested the following models on a variety of surfaces. The largest models, especially those with wheels, lend themselves to extended use on large expanses, which some customers will appreciate. However we also noted the practicality of smaller electric-powered models for limited use where storage space comes at a premium. The 14-inch to 16-inch models tended to offer the best blend of durability, lightweight construction, multisurface performance, and cleaning power for a competitive price. Our scoring favored the versatility of midsize, wheelless surface cleaners. Finally, each of the lightweight models was tested on a vertical surface: a wood privacy fence, vinyl house siding, or a low concrete wall. We also tested each model on a wooden deck to get a feel for maneuverability in smaller spaces and on uneven surfaces. During this phase we assessed each surface cleaner for actual cleaning power, user comfort, and perceived durability. The test involved installing the surface cleaner onto the pressure washer, giving it a quick trial to ensure that the pressure and flow rate of the machine were appropriate for the attachment, then running a timed cleaning of the 500-square-foot section. Our primary testing area was a large concrete driveway divided into 500-square-foot sections. A 4,200-psi 3.2-GPM machine served as the tester for the most powerful surface cleaners. For the low-pressure surface cleaners we used a 1,800-psi 1.1-GPM electric pressure washer. We felt like it represented a good midrange pressure and flow rate that would work for the broadest number of users. Our go-to machine was a 2,700-psi 2.3-GPM gas pressure washer. With different tool capabilities and different users in mind, we decided to test these surface cleaners with three different pressure washers. Photo: Debbie Wolfe How We Tested the Best Pressure Washer Surface Cleaners
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