This circuit has a power source, a complete path for electrons to flow, and a resistor as the load. An electric circuit is a path in which electrons from a voltage or current source flow. Electric current flows in a closed path called an electric circuit.
A service will typically charge $660 which includes labor and material, to clean the exterior of a 1200-square-foot house. You can rent a power washer for $160 a day and do the job and save75 percent.
Pressure Washing Costs. 1  Paying a professional to power/pressure wash a basic single level deck with around 250 square feet might cost $150 to $250.  Renting a pressure/power washer for the day might cost $60 to $80 depending on the unitâs capacity.