Tom Bosley -- who famously played Mr. Cunningham on  Happy Days  -- died this morning at a hospital in Rancho Mirage, CA ...
Average estimates: $250 to $420. Power washers can have pressures of 4,000 psi (pounds per square inch) to lesser pressures of maybe a few hundred and run by gas or electric. This means that professionals will probably use one with less pressure to clean a deck and maybe one with higher pressure to clean a patio.
Electric Pressure Washers. Electric washers have a range of 1,300 to 1,400 psi and are best for washing cars, grills and garage floors. They can cost around $90 to $200 depending on the pressure you need. They are quiet and portable so you can quickly clean your driveways and decks.rovide a few details about your project and receive competitive quotes from local pros. The average national cost of power or pressure washing an exterior surface is $284, with most homeowners spending between $185 and $383. This data is based on actual project costs as reported by HomeAdvisor members.