Recently, I compared various high-pressure washers, and honestly, there are so many options that it's confusing. Kyocera, Karcher, Makita, Bosch—each manufacturer has their own models, and there are quite a few points to consider like water pressure, noise level, and cleaning range.

From my personal testing, I think the balance between water pressure strength and quiet operation is most important. Karcher's K3 series has sufficient water pressure and is relatively quiet. Makita's high-performance models can save water, which is good for those concerned about running costs. Kyocera's RYOBI has very strong water pressure, but it tends to be a bit louder.

When comparing high-pressure washers, what really matters is the cleaning range. Covering a large area at once shortens the work time. Another surprisingly important factor is ease of movement. Casters make it much easier.

Wireless models are also increasing in number, and being able to use them without a power outlet is convenient. However, their cleaning range is narrower, so it’s better to choose based on where you'll be using it. For cleaning exterior walls or parking lots, wired models are suitable; for quick garden cleaning, cordless models are a good choice—select based on your intended use.