Power washing equipment uses pressurized water to remove dirt, oil, mildew, and loose paint from hard surfaces. A pump draws water through an inlet hose, then forces it through a narrow nozzle. This restriction increases the water’s speed and cleaning impact.
Pressure is measured in PSI, while water volume is measured in GPM. Both numbers matter. High pressure alone does not guarantee better cleaning.
The main equipment types include electric and engine-powered washers, cold-water and hot-water systems, surface cleaners, extension wands, hoses, and adjustable nozzles.
Electric models suit patios, vehicles, and light residential work. Engine-powered units provide more flow for large driveways and commercial surfaces.
Hot water helps dissolve grease, but it requires more careful handling and maintenance.
A flat surface cleaner can reduce streaks on concrete. It also makes long jobs less tiring.
In practical cleaning work, nozzle selection often matters more than maximum pressure.
A wide spray covers more area, while a narrow spray concentrates force. Keep the wand moving. Staying too close can damage wood, soft stone, or painted surfaces.
I once underestimated water flow and finished a small job with a soaked work area and poor runoff control. The equipment worked, but my planning did not.
Check connections, inspect hoses, and test an unseen surface before increasing pressure. Some choices remain imperfect. For 2026 purchases, match the pump, water supply, attachments, and intended surface instead of chasing the largest numbers.