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Best Pressure Washer of 2021: Hands-On Review By Expert

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You cannot easily remove perennial mold or dirt on wheels with just a regular sprinkler pipe. In this case, you should rely on the help of pressure washers – devices that save you not only time but also effort, even with the oldest stains.

Garden Products has tested and selected the top 10 best pressure washers worth buying today, promising to be a practical assistant present whenever you need to handle dirt anywhere.

Our Top Picks

Types of Pressure Washers

There are some basic types of pressure washers, divided according to the mode of power delivery:

  • Gasoline-powered pressure washers: with built-in gasoline in the detonator, you only need to start the starter to operate the machine.
  • Electric pressure washer: powerful, can clean old stains. However, when using, you need to pay attention to avoid electric shock, causing danger to people and property.
  • Gas-powered pressure washers: Some gas-powered products like the A-iPower APW2700C are perfect for cleaning jobs that last longer than an hour.

Buying Guide

What is the best pressure washer? To choose the perfect product for your purpose, you need to pay attention to the following two critical parameters:

Water pressure

The higher the water pressure, the higher the cleaning capacity of the machine. However, this does not mean that you must always choose the highest PSI. Because in many cases, a device with a low PSI can still meet your needs.

Specifically, if you want to wash your car, spot clean stains that are not too serious, models with pressures between 1,300 and 1,800 PSI such as WORX WG601 or Westinghouse Outdoor 1500 MAX PSI are a perfect choice.

GPM

Gpm directly relates to PSI: the higher the pressure, the more water the machine will use per minute, resulting in a high GPM.

You will need 1.5 GPM devices like PowerSmart or Homdox Power for everyday use. Whereas if you need professional pressure washers, 4GPM like SIMPSON PS4240 is a perfect choice.

How We Test

Products on the best pressure washer 2021 have undergone rigorous evaluation for basic features, additional features, and customer feedback.

Therefore, you can find it in the list of high-capacity products like Champion Power 4200. You will also be pleased with the great features that Generac 7122 SpeedWash has to offer. Whatever your intended use, you can find quality products in the list below.

Reviews

Without making you wait any longer, here are the best pressure washer reviews you shouldn’t miss:

1. Simpson MSH3125 – Best for Overall

Important Specifications

  • Maximum Pressure: 3200 Pounds per Square Inch.
  • Hose Length: 25 Feet.
  • Maximum Flow Rate: 2.5 Gallons Per Minute.

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Reasons to buy

  • The engine is easy to start and operate.
  • OEM Technologies pumps are maintenance-free.
  • Flexible, wear-resistant high-pressure hose.
  • 5 quick connect faucets.
  • The machine frame is made of sturdy welded steel.

Reasons to avoid

The maximum fuel level of 1/2 Inch should be kept at the bottom of the intake manifold at all times.

Simpson MSH3125 - Best for Overall

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Product’s highlights

Simson’s MegaShot product line is famous for its “Do-it-Yourselfer” tagline. The MegaShot series has products that maximize performance with minimal investment, such as SIMPSON MS60763-S, SIMPSON 61085, and not to mention this MSH3125 version.

The manufacturer has equipped the MSH3125 with a high-end Honda engine with high-quality components to help improve performance: 3200 Pounds per Square Inch and 2.5 Gallons Per Minute. In addition, Honda engines are also famous for their advantages of being easy to start and operate.

MSH3125 also owns an OEM Technologies pump with a crankcase that doesn’t need an oil change. Therefore, you do not need to worry about engine maintenance or corrosion.

In addition, MSH3125 also owns MorFlex ¼-in, which is a flexible, wear-resistant high-pressure hose. Pressure hose up to 25 ft long.

Combined with a powerful motor, Simpson deserves the best pressure washer, meeting all your residential cleaning needs.

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2. Sun Joe SPX3000 – Best for Energy Saving

Important Specifications

  • Maximum Pressure: 2030 Pounds per Square Inch.
  • Hose Length: 20 Feet.
  • Maximum Flow Rate: 1.76 Gallons Per Minute.

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Reasons to buy

  • Reasonable price.
  • The detergent container is removable.
  • The auto-off feature saves energy.
  • Suitable for a variety of cleaning jobs.
  • Many colors to choose from.

Reasons to avoid

  • Expansion of pressure hose coupler with M22 15mm hose is not included.

Sun Joe SPX3000 - Best for Energy Saving

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Product’s highlights

The Sun Joe SPX3000 is the best electric pressure washer you can find for less than $200.

This product owns a 14.5-Amp/1800 watt motor that produces up to 2030 PSI and 1.76 GPM. With an electric motor, this is quite an impressive figure. Sun Joe also has an innovation when designing a removable 0.9L soap tank.

With this flexibility, you can carry and store a variety of detergents for different cleaning tasks. You can use the SPX3000 for most of your cleaning tasks, from cleaning the apartment to the road, the equipment, the concrete.

But all is not the unique point of this product. This pressure washer model also uses the TTS system to turn off the pump when not cleaning automatically. With an electric pump, this feature saves energy and prolongs the life of the product.

Another interesting point is that Sun Joe offers quite a few color options for this model. In addition to the traditional green color, you can also own Sun Joe SPX3000-RED or blue and black.

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3. Karcher K5 Pressure Washer – Best for Cars

Important Specifications

  • Maximum Pressure: 2000 Pounds per Square Inch.
  • Hose Length: 25 Feet.
  • Maximum Flow Rate: 1.4 Gallons Per Minute.

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Reasons to buy

  • Integrated with pressurized hose reel.
  • Dirtblaster spray wand.
  • Durable, non-corrosive, and maintenance-free.
  • Water-cooled induction motor.
  • There is a button to adjust the detergent flow.

Reasons to avoid

  • High price

Karcher K5 Pressure Washer - Best for Cars

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Product’s highlights

There are grounds to affirm that Karcher K5 is the best pressure washer for cars. High-pressure product is up to 2000 PSI – 40 times more than conventional cleaning equipment. That is why the product can meet your cleaning needs at the highest level.

Besides, K5 Premium also has additional features to help reduce the time it takes to clean your car, one of the best outstanding features on the market.

Firstly, the product has a water-cooled induction motor. With electric motors, circulating water around the motor reduces operating temperatures, improves efficiency, and prolongs engine life.

Secondly, the Karcher K5 has a powerful engine but is much quieter than gasoline-powered pressure washers.

In addition, you can also adjust the detergent flow to avoid waste in the cleaning process. The design of the removable detergent drawer is also a commendable point of the Karcher K5.

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4. Greenworks 1500 – Best for Budget

Important Specifications

  • Maximum Pressure: 1500 Pounds per Square Inch.
  • Hose Length: 20 Feet.
  • Maximum Flow Rate: 2 Gallons Per Minute.

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Reasons to buy

  • Cheap.
  • Powerful enough for civil cleaning.
  • Compact design for easy storage.
  • High mobility.
  • Obtained PMWA certification.

Reasons to avoid

  • No water tank.

Greenworks 1500 - Best for Budget

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Product’s highlights

If you are looking for an affordable pressure washer that is powerful enough to clean, the Greenworks 1500 – the best portable pressure washer is a good candidate.

For less than $100, you’ve got a 1,500 PSI motor that can do just about any household cleaning job. In addition, you also have 25 and 40-degree quick-connect nozzles to help the machine adapt to a variety of surfaces.

Versatility is also a big plus for this affordable cleaning device. Weighing in at just 15.72 pounds, Greenworks is more accessible to carry around than any other product.

More conveniently, you can use the machine both vertically and horizontally. Therefore, this pressure washer still works well even in tight places.

With an affordable price and the above advantages, you can’t ask for anything more at Greenworks 1500 – the best pressure washer under 100.

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5. Champion Power 4200 – Best for Heavy Workloads

Important Specifications

  • Maximum Pressure: 4200 Pounds per Square Inch.
  • Hose Length: 49.5 Inches.
  • Maximum Flow Rate: 4 Gallons Per Minute.

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Reasons to buy

  • Maximum pressure up to 4200 PSI.
  • Corrosion-resistant copper tube.
  • Two-year warranty and free expert support.
  • 5 flexible nozzles.
  • Comfortable handle with flexible design.

Reasons to avoid

  • Expensive.

Champion Power 4200 - Best for Heavy Workloads

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Product’s highlights

Champion Power is the best commercial pressure washer with great power and special features to meet your professional cleaning requirements.

In terms of power, the product has maximum pressure: 4200 Pounds per Square Inch., maximum flow rate: 4 Gallons Per Minute. Besides, the machine also uses an AR Triplex Brass Head pump with a Champion 389cc engine.

With powerful equipment, the Champion Power 4200 is ideal for heavy-duty, commercial cleaning jobs such as bulkheads, boats, fences, and farm equipment. In addition to being powerful, Champion Power is also a versatile pressure washer.

The manufacturer equips this model with a quick-connect gun and improves the comfort of use. Besides, having up to 5 nozzles is also a significant improvement of Champion Power, so you can bring the product with you in all your projects.

In addition to a pressure washer model with maximum pressure up to 4200 PSI, Champion Power also offers products with similar features but lower pressure.

If your project doesn’t require too much pressure cleaning, you can check out the Champion 2800 – an equally great product as the previous 4200 PSI model.

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6. Westinghouse Outdoor WPX2700 – Best for Durability

Important Specifications

  • Maximum Pressure: 2700 Pounds per Square Inch.
  • Hose Length: 25 Feet.
  • Maximum Flow Rate: 2.3 Gallons Per Minute.

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Reasons to buy

  • Abrasion-resistant super flexible hose.
  • Solid steel frame.
  • CARB compliance.
  • Durable without maintenance.
  • Has an additional locking trigger to ensure complete shutdown.

Reasons to avoid

  • Not too low price

Westinghouse Outdoor WPX2700 - Best for Durability

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Product’s highlights

Strong, durable, and safe are the best adjectives to describe the Westinghouse Outdoor WPX2700.

In terms of performance, the WPX2700 pressure washer has 2700 PSI and 2.3 GPM for deep cleaning. Westinghouse also equips a 212cc OHV Westinghouse Engine that can wipe away all dirt.

In terms of durability, you can’t doubt two 12-inch heavy-duty wheels and a 25 ft long wear-resistant hose of the WPX2700. Not stopping there, the product also uses a maintenance-free axial cam pump. With this lightweight axial cam pump, you can pump self-priming air while the pressure reaches a maximum of 2700.

This version is also CARB compliant, so it is highly reliable to use. Obviously, safety is always one of the top factors for you to choose a product.

Last but not least, this pressure washer also features a safety EndraGrasp spray gun.

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7. Karcher 1.603 Pressure Washer – Best for Concrete Cleaning

Important Specifications

  • Maximum Pressure: 1900 Pounds per Square Inch.
  • Hose Length: 25 Feet.
  • Maximum Flow Rate: 1.5 Gallons Per Minute.

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Reasons to buy

  • Vario Power Spray can switch from low pressure to high pressure quickly.
  • Dirt Blaster Spray Wand is suitable for cleaning concrete, brick, and stone.
  • Lifespan is 5 times longer than conventional models.
  • The pump is not corroded.
  • Energy-saving.

Reasons to avoid

  • The plastic pipe connection is not too strong.

Karcher 1.603 Pressure Washer - Best for Concrete Cleaning

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Product’s highlights

The power of Karcher 1.603 comes from two different types of wands, namely:

The Vario Power Spray Wand is a self-dispensing spray nozzle. You can flexibly switch between pressure levels to suit your cleaning purposes.

This feature is handy for professional concreting projects because the speed of fresh concrete is very fast. Therefore, an auto-dispensing nozzle can support the quickest cleaning with a more even density.

If the Vario Power Spray Wand isn’t powerful enough to tackle heavy workloads, you’ve got the help of the DirtBlaster Spray Wand. This nozzle can completely clean the thickest and hardest surfaces such as concrete, stone, brick.

In addition to offering two flexible wands, Karcher also provides a durable, maintenance-free pressure washer.

Compared with other conventional cleaning products, 1,603 has 5 times longer engine life while noise and energy consumption is significantly lower.

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8. WORX WG604 – Best for Home Appliance

Important Specifications

  • Maximum Pressure: 2240 Pounds per Square Inch.
  • Hose Length: 25 Feet.
  • Maximum Flow Rate: 1.93 Gallons Per Minute.

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Reasons to buy

  • Three different types of nozzles for every space.
  • Easy to use.
  • High mobility.
  • Save water.
  • Durable metal frame.

Reasons to avoid

  • The hard hose is difficult to roll up for storage.

WORX WG604 - Best for Home Appliance

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Product’s highlights

Worx Wg604 is one of the best pressure washers for home use. It’s powerful enough to clean dirt, debris on floors, partitions, driveways, outdoor furniture.

To achieve the above working efficiency, WORX has equipped the WG604 with a series of impressive features:

The WG604 pressure washer has a maximum pressure of 2240 PSI, which meets CSA standards. The above pressure is generated from a 1.3 GPM flow nozzle – so you can maximize water savings.

Not to mention Worx Wg604 has a sturdy wheel frame that is perfect for moving this device to all areas of your apartment.

In addition, this best home pressure washer comes with up to 3 different nozzles to meet all your basic cleaning needs:

  • Turbo head for hard surfaces
  • 40 degrees head for most flat surfaces
  • Soap head for cleaning surfaces.

So, in general, the filthy face becomes more accessible.

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9. AR Blue Clean AR2N1 – Best for Outdoor Cleaning

Important Specifications

  • Maximum Pressure: 2050 Pounds per Square Inch.
  • Hose Length: 25 Feet.
  • Maximum Flow Rate: 2.5 Gallons Per Minute.

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Reasons to buy

  • Include mobile trolleys.
  • 42 times more power than a conventional cleaning hose.
  • Quiet operation.
  • Quick connect nozzle.
  • Received CSA International certification for safety.

Reasons to avoid

  • Need regular maintenance.

AR Blue Clean AR2N1 - Best for Outdoor Cleaning

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Product’s highlights

The AR Blue Clean AR2N1 is the most portable and powerful large pressure washer model for outdoor cleaning projects.

Because AR2N1 has a mobile trolley that can bear a large load, you can use the machine anywhere you need cleaning. Besides, you can also remove the motor to use the device in hard-to-reach places.

Besides, AR2N1 can save up to 80% water compared to a standard garden hose. Meanwhile, it creates up to 40% higher water pressure. In addition, the AR2N1 kit includes 4 quick-connect nozzles that provide varied spray angles from 0°, 15°, 25°, and 65°, providing optimum performance.

It can be that AR2N1 is one of the best pressure washers of AR Blue Clean. If you love AR2N1 but want a new and unique design, you can look at AR Blue Clean BC2N1HSS with similar features but improvements in design.

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10. Generac 7122 SpeedWash – Best for Cleaning Speed

Important Specifications

  • Maximum Pressure: 3200 Pounds per Square Inch.
  • Hose Length: 25 Feet.
  • Maximum Flow Rate: 2.4 Gallons Per Minute.

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Reasons to buy

  • Electric dial ergonomic spray gun.
  • Generac 196 cc OHV large capacity engine provides maximum power.
  • Non-abrasive 30 feet long high-pressure crimp hose.
  • Clean and faster.
  • It can be used continuously for 7-9 hours.

Reasons to avoid

  • The holder is not optimal for spray wands.

Generac 7122 SpeedWash - Best for Cleaning Speed

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Product’s highlights

If you are looking for a pressure washer that can save you up to 50% working time than a standard sprayer, look no further than the Generac 7122.

The product has the most powerful motor in its price range, with a maximum pressure of 3200 PSI, a water flow of 2.7 GPM. Combined with a high-pressure flex hose and four flexible nozzles, it can clean any surface intelligently and powerfully.

Generac 71122 cleans powerfully and significantly shortens working time with the help of an electric brush. Compared to electric washing machines, the product can get the job done in half the time.

Generac 71122 is the best pressure washer for the money with all the above advantages – an investment you will never regret.

The fast cleaning speed means you’ll be able to save more time on your job. It is very important for professional cleaners.

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FAQs

Does the pressure washer need to be connected to a faucet?

In addition to some models with a built-in water tank, you will need to connect your sprayer to a water source.

Usually, you will connect using a standard garden sprinkler. Hoses need to be at least 50ft in length, ¾-inch, or larger in inner diameter to be compatible with pressure washers.

What type of nozzle should I use?

Each type of faucet head serves a different purpose. Here are the basic principles:

The 15-degree nozzle is suitable for removing hard, rusty stains such as dried mud, mold, or paint.

The 25-degree nozzle is suitable for cleaning mud, leaves on floors and walkways. You can also use this nozzle to clean vehicles such as boats and cars.

Meanwhile, a 40-degree nozzle is very suitable for cleaning thin surfaces such as windows and flower pots.

On the other hand, 65-degree nozzle: when combined with detergent, you will achieve the optimal cleaning effect.

Do I need to use detergent when cleaning?

For stains that are not too sticky, you do not need to use detergent. High-pressure spray water is more than enough for a complete clean in this case.

For more difficult stains, you can use an all-purpose pressure cleaner. You should not use dishwashing detergent because the amount of foam is too much. Besides, this type of non-specialized detergent can damage the machine.

Final Words

Whether it’s mold on the patio or the dirt or mud on your car’s bench, if you find the best pressure washer, all of these problems will disappear in no time.

The detailed list above has narrowed down your search scope. Now, all you need to do is rely on personal experiences to choose the product that can serve your needs well.

Good luck with this final step, and get rid of perennial stains on your yard, vehicle, or anywhere with a high-pressure cleaner.

By Harry Sawyers

Harry Sawyers is a senior writer at Garden Products. With more than 10 years working in construction and design, he always produces high-quality writings, providing people with hands-on experience in taking care of their living space. He concentrates on sharing people with must-have items for your home.

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