I would recommend Harbor Freight for almost any purchase as their return policy is unmatched.
They are great for washing finished surfaces. Patio tiles, siding, windows, cars, painted house sides, etc. You'll likely want something gasoline powered if you wash more concrete and porous surfaces like brick, stone, in-ground pools+ surrounding tile and concrete surfaces that are either heavy duty paint sealed or bare stone/concrete. Check the warranty printed on box or receipt. Typically if it breaks in 90 days of usual use, they'll exchange the product or tool.
As electric pressure washers go they're adequate. Harbor freights warranty is fabulous you buy it and have a problem with it bring it back they'll refund you the money
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