Pressure washing or power washing is the growing practice of cleaning using high pressure water spraying. The high pressure water spraying is achieved by specially designed pumps. This type of cleaning is many times more powerful than the pressure that comes out of a typical garden hose. If you choose to use on concrete it removes mold and mildew, bubble gum, and other dirt stains. Also, pressure washing can make wooden decks look like new. Pressure washers are also commonly used by homeowners to improve the appearance of aluminum or vinyl siding by removing pollution, mildew, and other signs of neglect.

When choosing a pressure washer, your application will play a major factor in whether you need a hot or cold water pressure washer. Cold water pressure washers are ideal for removing dirt on most any surface. Additional accessories like, high pressure nozzles or rotating brushes, work with cold water pressure washers to increase the cleaning power and decrease your cleaning time.

However, if you are cleaning surfaces that have grease or oil on them, hot water is a must. You wouldn't think of washing your greasy hands with cold water and the same applies to pressure washing. If you operate cold water equipment more than a few hours a week, you should consider the labor savings you could realize by switching to a hot water pressure washer.

Belt driven pressure washer are most commonly found on commercial and industrial jobsites. A belt driven pump is ideal for cleaning applications that require more than 20+ hours per week. On a belt driven unit, the high-pressure pump spins at a less RPM reducing the heat and vibration, which in turn, minimizes the wear and tear on the internal parts of the pump and leads to longer life.

If you will be using your pressure washer less than 20 hours a week, a direct drive may be better suited for your application. Direct drive units turn about twice the RPM as a belt driven unit. These units are usually more compact and easier to transport. They also typically are more cost effective.

Gas or electric is completely up to the consumer. There are pros and cons to both.

Electric is safe to use indoors because you don't have harmful fumes. Electric motors are usually quieter and require less maintenance than a gas engine. Also, with an electric motor you do not have to have gas on hand and you do not need to fight the rising cost of fuel prices.

With a gas pressure washer you have a couple of different choices when selecting an engine. Also, gas engines don't require a power cord which in turn allows more portability.