There are power washers and there are power washers.
When purchasing a power washer, most folks would choose the one with the highest pressure and flow rating as the best. However many surfaces are badly damaged when washed with such high pressure.
I had at my disposal a pressure washer belonging to my son who stored it in my garage until he got his own house. It was upper quality unit with a nice 5.5 hp Honda engine that started easily and ran strong. But that thing could really cause some damage!
When he took possession of it after he moved in to his own home, I bought a small electric washer and couldn't be happier. With its accessory nozzle that puts out a pulsing fan spray it works great for washing cars, trucks, mowers, tractors, decks, siding, etc.
For concrete sidewalks, paved parking lots and similar jobs a high pressure gas powered washer is more appropriate. When I decide to do this kind of work around the house, I just rent an appropriate sized power washer.
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