Vol. XXVI · No. 04 • Workshop Almanac
— The Everyday Handyman —
Est. MMXIX
Vol. XXVI · No. 04 • Workshop Almanac
Est. MMXIX
Electric or gas, light-duty or pro — the right pressure washer is decided by PSI, GPM, and the surfaces you clean, not the biggest number on the box. This buying guide covers cleaning power, nozzle tips, pumps, and hoses, so you can strip a deck, wash siding, blast a driveway, or clean a car without etching the surface or under-powering the job.
§ II — Reader’s Manual
Pressure washers are marketed on PSI alone, but pressure without flow just moves dirt around slowly. Real cleaning power is PSI and GPM together, matched to the surface. Here are the six things we weigh before recommending any washer in this guide.
PSI is the force that lifts grime; GPM (gallons per minute) is the flow that rinses it away. Multiply them for cleaning units (CU) — the truest measure of speed. A high-PSI, low-flow washer cleans slowly; balance the two. Light duty runs under 2,000 PSI, medium 2,000-2,800, heavy 2,900 and up.
Electric pressure washers are quiet, light, maintenance-free, and perfect for cars, patio furniture, and siding near an outlet. Gas pressure washers deliver far more PSI and GPM for driveways, decks, and large jobs, with no cord — at the cost of noise, fuel, and pump upkeep. Match the engine to the acreage.
Quick-connect tips set the spray angle: a red 0-degree pinpoint for stubborn stains, 15-degree yellow for stripping, 25-degree green for general washing, 40-degree white for delicate siding and cars, and a black soap tip for detergent. Using too tight an angle etches wood and gouges paint — start wide.
Axial-cam pumps are common on homeowner washers and fine for occasional use. Triplex pumps run cooler and last far longer under frequent, heavy use. For weekend jobs an axial pump is plenty; for weekly commercial cleaning, pay for a triplex.
A short hose and cord means constantly moving the machine. Look for at least a 25-foot high-pressure hose, a long power cord or generous gas runtime, and a hose reel for storage. Reach determines how much of the job you do standing still versus dragging the unit around.
Wheels, a foldable handle, and onboard storage for tips and the wand make a heavy washer usable alone. Useful accessories include a surface cleaner for driveways, a foam cannon for detergent, and a telescoping wand for gutters and second-story siding. Buy the attachments that match your actual chores.
Read the guide. Then close the tab, walk away, and come back to it tomorrow. The tools that still feel right after a night’s sleep are usually the right ones to buy.
§ II — Specimen Pages
§ II — Specimen Pages
Every recommendation here is also a set of washers we left off. Below are the kinds of pressure washers we have stopped recommending — not to fault one brand, but because the type tends to disappoint at the job.
An underpowered electric washer struggles to lift a season of grime and turns a ten-minute job into an hour. Size PSI and GPM to your dirtiest surface, not the cheapest sticker.
A pinpoint red tip etches deck boards, gouges paint, and shreds siding in seconds. Skip aggressive tips for delicate surfaces; start with a wide 40-degree spray.
A bargain gas unit with a sealed, non-serviceable axial pump becomes scrap when the pump fails. Choose a washer with a repairable or triplex pump if you use it often.
Odd-sized hoses and tips that fit nothing else leave you stranded when a part wears out. Buy a washer with standard quick-connect fittings and M22 hose threads.
Cordless mini washers fed from a bucket are fine for bikes and muddy boots, not driveways or siding. Do not expect a battery sprayer to do a pressure washer’s work.
Pro-grade pressure will strip car paint and blast mortar from brick. Over-buying is as bad as under-buying; match the machine to the surfaces you actually clean.
§ IV — Directory
One email, every Sunday. New tool reviews, the best tip of the week, and a single recommendation from the editors. No clutter.
