For a concrete driveway, the sweet spot is 2,500 to 3,500 PSI at 2.5 GPM or more, and the single best number for comparing machines is PSI multiplied by GPM. That number, measured in cleaning units or CU, tells you how much dirt a washer can actually move in a minute, which matters far more … Read more
The best pressure washer under 300 dollars right now is the Westinghouse ePX3500, a compact 2500-max-PSI machine that delivers 2000 rated PSI and 1.2 rated GPM from a body small enough to carry with one hand and store on a closet shelf. It pairs an auto-stop pump, a braided hose, a steel wand and a … Read more
A pressure washer surface cleaner is a disc-shaped attachment that clips onto the end of your wand and spins two rotating spray arms under a skirt, laying down an even, overlapping fan of water across flat concrete. On a driveway or patio it works several times faster than a bare spray tip, leaves far fewer … Read more