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 ...

Also, gas engine pressure washers are best stored over the winter in the garage or an outbuilding. The force that the water exits the nozzle is measured in PSI (pounds per square inch).

One of the best things about this surface cleaner is its compatibility with gas/electric pressure washers from 2,000 PSI 1.8 GPM up to 4,000 PSI 8 GPM. It comes with 2 adapters for connection to 3 ...