Simple to operate, a pressure washer forces water from your garden ... We tested the power washers on the exterior siding of a house. Electric models work well on wood and synthetic decks that ...

Although this pressure washer offers impressive cleaning power ... allows you to fill the tank with an external water source ...

Since gas-powered pressure washers tend to be more powerful and produce a higher PSI than electric ones, a gas-powered model will work best. But they can be more expensive. CNET tested ...