How to Choose the Best Pressure Washer | Power Washer Buying Guide

Pressure Washer Buying Guide

How does Pressure Washer Work?

This pressure washer buying guide is designed to help you learn about pressure washers and identify essential factors when purchasing one. Pressure washers use a gas engine or an electric motor to operate a pump, pushing water with high pressure through a concentrating nozzle to remove accumulated dirt and debris. They also allow you to clean chairs, siding, and other things with a scrub brush and hose in a fraction of the time it would take using a hose and scrub brush.

When you think about it, a pressure washer is not just a garden hose on steroids; it is reality. When spraying, their nozzles expel water at 30 to 80 times the normal pressure, and surprisingly, the nozzles can generate impressive cutting power regardless of which spray setting you to use. However, you must follow cautions for all pressure washers.

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A pressure washer is an excellent tool for performing various cleaning and maintenance tasks on concrete, flagstone, walkways, steps, and much more. A few blasts can effectively erase months or even years of stains.

Always exercise caution when using power washers (pressure washers, also known as power washers). A strong, powerful, and powerful high-pressure stream of water is supplied by these tools, and this high-pressure water causes severe injury and damage to property. That is why we only include a subset of the models we tested in our recommendations.

Green Home and Kitchen’s safe operating techniques can help you harness the power of a pressure washer. Using a power washer will do the job much faster than scrubbing with a brush and pail of water.

Pressure Washer Size Guide Chart

Tips To Use a Pressure Washer

We encourage caution when using pressure washers, so don’t overdo it and make a mess. However, these tools are delivered by a forceful high-pressure jet of water capable of causing significant injury and property damage. This is why we only included a fraction of the many models we tested in our suggestions.

  • To thoroughly clean the exterior of decks, driveways, and patios, homeowners can purchase a pressure washer and attach a pressure pump to it.
  • The pump will pump high-pressure water at a pressure to blast away accumulated dirt efficiently. Additionally, they allow you to clean chairs, siding, and other outdoor furniture with soap and a scrub brush in the time it would take to fill a bucket with soapy water and search for a scrub brush.
  • A simple horticultural hand tool like a pressure washer is no better than a garden hose on steroids. If you Use the nozzle at 30 to 80 times the normal pressure, the nozzles can cut almost anything, regardless of which spray setting you select.
  • Keep in mind that you must use caution when using pressure washers. A wayward jet of water could land you or a bystander in the emergency room when the adjustable wand tip is set at its narrowest spray setting or when you’re utilizing the narrowest tip.

    Read Also: 12 Best Pressure Washer Under $600 in 2021

Things to know

Your deck or patio might get grimy and dirty over time, but it’s easy to clean with a power washer. A pressure cleaner can blast away the toughest stains with tremendous force, so you’ll never need scrubbing again!

You could use one to clean your car (if that doesn’t come naturally) or upgrade curb appeal by blasting down exterior walls of brick houses. However, they’re often expensive – read on below to learn how to find a suitable unit without breaking the bank!

Your house is an investment in both money and property value; keep things looking good year-round by maintaining outdoor surfaces like concrete decks rather than waiting until summer has passed before tackling a big project.

Safety Measures

  • Always use a pressure washer according to the manufacturer’s instructions.
  • Use protective gear such as safety eyewear when working with hazardous materials.
  • Double-check the amps required to power the model you wish to buy, considering the flow of your water source.
  • Worrying about limited water flow could prevent washers from working properly.
  • When you purchase a pressure washer, make sure to buy one that includes a ground fault interrupter incorporated into the cord. (Some of these will only work on a 20-amp circuit.)
  • Electronic fuel injection or EFI is a must for demanding cleaning needs. This innovation cuts the starting time and boosts fuel economy by 50 percent.

Important Tips for Buying a Pressure Washer

  • First, you should familiarize yourself with the relevant concepts, such as pressure, and how to compare them. Once you know which pressure washer grade is best for you, you can make that determination. Please look at the chart below for a moment and then respond.
  • GPM is used to measure the flow of water. Higher GPM pressure washers have a greater cleaning surface area per minute. For example, Washing Machine A has a 2 GPM (gallons per minute) rating, and Washing Machine B has a 4GPM (gallons per minute) rating. Because the Washing Machine B uses 2x as much water for each minute of cleaning, it will clean twice as rapidly.
  • Pressure is measured in pounds per square inch (PSI). To remove the stain, you will need to apply a certain amount of pressure to the PSI rating. Higher chemical bonds mean more substantial pressure needs to be used to release them.
  • Using hot or warm water can make a significant difference when cleaning various materials. Pressure washers are frequently used, as there are always new and interesting ways to employ them. However, water use at normal temperature is widely accepted across all pressure washers, albeit only a few professional models can be engineered for hot water use.
  • Pressure washers are tested by the number of cleaning units (sometimes referred to as cleaning speed) they produce. Assume that two pipes have the same amount of pressure pushing on them. The first stream has double the water volume as the second. This also doubles the cleaning speed. You may compute the CU by multiplying the PSI (pounds per square inch) by the GPM (gallons per minute). If PSI multiplied GPM, you would have CU.
  • Hydraulic pumps To select the correct pressure washer, you must make sure you choose one that features a belt or direct drive.

Nozzles of a Pressure Washer

Pressure washers pose a hazard because the water pressure and angle of spray are directed at a specific target. The nozzle on the end of the pressure washer wand controls this. When it comes to pressure washers, every brand is different. Both the color-coded interchangeable nozzles and the all-in-one adjustable nozzles include separate nozzles for color-coding. Both allow you to change the angle of water to suit the application.

The convenience of adjustable nozzles far outweighs the utility of replaceable nozzles; a simple twist changes the spray width or pattern. Replaceable nozzles allow you to configure the spray pattern with different spray angles.

Pressure washer nozzles guide

It is preferable not to use the zero-degree replaceable nozzle or the zero-degree setting of an all-in-one (adjustable) nozzle because they are risky for the chance of injury. Higher nozzle settings or higher-degree nozzles are sufficient for getting the job done without any unnecessary risk.

Maintenance & Storage of a Pressure Washer

  • Keeping your pressure washer maintained will keep it working for a long time. When it comes to appropriate maintenance, storing, and caring for your pressure washer, we have plenty of resources to help you. Your car’s owner’s manual always recommends that you do the recommended maintenance regularly to maintain peak performance.
  • We hope that by the end of the day, you will feel more secure in your decision because you selected the pressure washer you wanted and needed, not simply the first one you saw. In addition, as you use the pressure washer, you will find a variety of different uses for it, some of which you may not have discovered yet.
  • Don’t hesitate to check out the rest of our How-To Library, as we offer numerous materials to help you maximize your pressure washer. Whenever you have any questions, please feel free to give us a call. Continue studying pressure washers by moving on to the next section below, and follow the navigation to go further.


How to Check Engine Quality of a Pressure Washer?

Start with a cold pressure washer. The quality of the engine will be easier to assess by starting it cold. If it starts working after the first few attempts, you should be happy.

How to Check Pump Leaking? 

When the garden hose is connected and the engine is starts, glance at the pump to see how it responds. Could it be leaking because of the crack in the pump? This is a very apparent symptom, and it isn’t easy to miss.

How does Pressure Washer Engine sound Like? 

An excellent engine sounds mellow. When the engine is idling, it should not produce any rattling or strange fluctuations in volume.

Is it safe to use on a test surface? 

You can have a functioning engine and pump that looks okay, but to be confident that the engine and pump provide the necessary power, you must pull the trigger and start shooting water. Do you make sure the flow of water is even when you pressure wash? The engine is noisier, but it sounds smooth to the ear.


Pressure washers are a necessary tool for any household. The benefits that they provide in terms of cleanliness and safety cannot be overstated, so it is important to purchase the right one with your specific needs in mind. Pressure-washer users should always ask themselves: Am I going to need this pressure sometime soon? If not, then you don’t need it now either!

It is a terrific approach to get the best value for your money if you buy a secondhand pressure washer. But, on the other hand, make sure it will function for years to come.

Your instinct is telling you something. Even if all of the above is true, pay attention to your intuition. Do not feel uncomfortable in any way when speaking to the owner or the pressure washer. If, for any reason, you feel uncomfortable, go away.

Joseph is Green Home and Kitchen's editor-in-chief. He describes himself as a dedicated home improvement and automation advisor. He enjoys helping others discover the joys of innovation. Joseph closely follows the latest trends in the industry to keep the visitors in the flow.

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