When it comes to pressure washing, having the right generator can make all the difference in achieving optimal results. With various options available, including gas and electric models, we need to consider factors like power output, portability, and additional features to find the best generator for a pressure washer. Whether we’re tackling a tough cleaning job or maintaining our outdoor spaces, the right choice can enhance efficiency and effectiveness in our cleaning tasks.

In this guide, we’ll explore a selection of top-rated generators specifically designed for use with pressure washers. From powerful gas units to compact electric options, our curated list aims to help us make an informed decision that fits our needs and budget. Let’s dive into the details and find the perfect generator to boost our pressure washing experience.

Top Picks

1
Simpson 3400 PSI Gas Pressure Washer
Best Overall
Simpson 3400 PSI Gas Pressure Washer
SIMPSON PRESSURE WASHER FOR HOMEOWNERS: The Simpson Clean Machine gas power washer
9.8
Amazon.com
2
Westinghouse ePX3500 Electric Pressure Washer
Premium Performance
Westinghouse ePX3500 Electric Pressure Washer
Powerful pressure washer with anti-tipping design
9.5
Amazon.com
3
Compact Westinghouse Electric Pressure Washer
High Performance
Compact Westinghouse Electric Pressure Washer
2100 PSI for powerful cleaning tasks
9.3
Amazon.com
4
Westinghouse 3400 PSI Gas Pressure Washer
Best Value
Westinghouse 3400 PSI Gas Pressure Washer
Powerful cleaning for various surfaces
9.1
Amazon.com
5
Kärcher K1700 Pressure Washer for Versatile Cleaning
Most Reliable
Kärcher K1700 Pressure Washer for Versatile Cleaning
CETA Certified with Three Spray Nozzles
8.8
Amazon.com
6
Powerful Sun Joe Electric Pressure Washer
Editor's Choice
Powerful Sun Joe Electric Pressure Washer
Cleans up to 2030 PSI for tough jobs
8.6
Amazon.com
7
Heavy-Duty 4200PSI Gas Pressure Washer
Heavy-Duty 4200PSI Gas Pressure Washer
【 】: This gas pressure cleaner can reach a maximum water pressure
8.4
Amazon.com
8
Greenworks Electric Pressure Washer 1800 PSI
Greenworks Electric Pressure Washer 1800 PSI
[1800 PSI @ 1.1 GPM]
8.2
Amazon.com
9
Westinghouse Electric Pressure Washer 3000 PSI
Westinghouse Electric Pressure Washer 3000 PSI
Delivers 3000 max PSI and 1.76 max GPM (at lowest pressure)
8
Amazon.com
10
Powerful Electric Pressure Washer for Tough Cleaning
Powerful Electric Pressure Washer for Tough Cleaning
5000 PSI adjustable pressure for superior cleaning
7.8
Amazon.com

Key Takeaways


  • Determine your cleaning needs based on the pressure output required.

  • Consider portability and storage options for easier handling.

  • Look for models with multiple nozzle options for versatility.

  • Check for additional features like onboard soap tanks for enhanced cleaning.

Here are some essential points to consider when choosing a generator for your pressure washer:

Which Best Generator For Pressure Washer Is Best for You?

Best by use case
  1. Best for Heavy-Duty Cleaning

    If you’re tackling large areas or stubborn grime, the IvyBess Professional Gas Pressure Washer is ideal with its powerful 4200 PSI output.

  2. Best Compact Option

    For those who need something lightweight and easy to store, the Westinghouse ePX3500 Electric Pressure Washer provides excellent cleaning power without taking up much space.

  3. Best Overall Performance

    The Simpson 3400 PSI Gas Pressure Washer is an all-around performer, suitable for both residential and professional use.

  4. Best Value for Money

    The Westinghouse WPX3400 Gas Pressure Washer offers robust performance at a reasonable price, making it a great choice for budget-conscious buyers.

Selecting the right generator for your pressure washer often depends on specific needs and preferences. Here, we outline some common use cases to guide your decision:

10 Best Generator For Pressure Washer

Best Overall
1

Simpson 3400 PSI Gas Pressure Washer

SIMPSON PRESSURE WASHER FOR HOMEOWNERS: The Simpson Clean Machine gas power washer
9.8/10
EXPERT SCORE
Experience powerful cleaning with the Simpson 3400 PSI gas pressure washer. Ideal for residential use, this machine effectively tackles grime on various surfaces with ease and efficiency.
Updated: 19 hours ago

Pros

High pressure output suitable for tough cleaning tasks
Long-lasting and durable design with corrosion-resistant materials
Easy mobility with premium pneumatic tires
Includes multiple nozzles for versatile cleaning options

Cons

Not suitable for use in California due to regulations
Requires gasoline, which may not be ideal for all users
Slightly heavier design may limit portability for some users

Overview

Experience powerful cleaning with the Simpson 3400 PSI gas pressure washer.

Ideal for residential use, this machine effectively tackles grime on various surfaces with ease and efficiency.

Key Features of the Simpson 3400 PSI Gas Pressure Washer

Powerful 3400 PSI and 2.5 GPM for effective cleaning
25-foot high-pressure hose that resists kinks and abrasion
Easy-to-use quick-connect fittings for fast setup
Includes four quick-connect nozzles for various cleaning tasks

Practical considerations

Before purchasing, it’s important to note that this pressure washer is not compliant for sale in California and requires gasoline, which may limit usage for those preferring electric options.

Its weight may also require some effort to transport.

Real-world insight

We find that this pressure washer is an excellent choice for homeowners looking to keep their outdoor spaces clean.

Its power and versatility make it a valuable tool for tackling a variety of cleaning jobs around the house.


Premium Performance
2

Westinghouse ePX3500 Electric Pressure Washer

Powerful pressure washer with anti-tipping design
9.5/10
EXPERT SCORE
The Westinghouse ePX3500 Electric Pressure Washer offers excellent cleaning power with 2500 max PSI and a variety of quick-connect nozzles. Its compact design and onboard soap tank make it perfect for tackling tough outdoor cleaning tasks with ease.
Updated: 19 hours ago

Pros

High pressure and flow rate for effective cleaning
Compact and lightweight for easy storage and transport
Includes an onboard soap tank for versatile cleaning
User-friendly design with quick-connect nozzles

Cons

Limited to 25-foot hose length, which may require extensions for larger areas
Some users may find the power cord length restrictive

Overview

The Westinghouse ePX3500 Electric Pressure Washer offers excellent cleaning power with 2500 max PSI and a variety of quick-connect nozzles.

Its compact design and onboard soap tank make it perfect for tackling tough outdoor cleaning tasks with ease.

Key Features of the Westinghouse ePX3500

Pro-style steel wand extends to 17.5 inches for better reach
Four quick-lock wheels with 360° steering for maneuverability
Automatic pump shut-off when trigger is not engaged for energy conservation
Includes five nozzles for different cleaning tasks

Practical considerations

This pressure washer is lightweight and easy to maneuver, but its 25-foot hose may limit reach without additional accessories.

It’s best suited for residential use rather than commercial applications.

Real-world insight

In our experience, the Westinghouse ePX3500 excels at tackling common household cleaning tasks, from washing cars to cleaning patios.

Its ease of use makes it a valuable tool for anyone looking to maintain their outdoor spaces.


High Performance
3

Compact Westinghouse Electric Pressure Washer

2100 PSI for powerful cleaning tasks
9.3/10
EXPERT SCORE
The Westinghouse ePX3100v Electric Pressure Washer offers impressive cleaning power with 2100 max PSI and a lightweight design for easy portability. It comes with a detachable foam cannon and a versatile nozzle set, making it perfect for a variety of surfaces around your home.
Updated: 19 hours ago

Pros

Lightweight design for easy transport and storage.
Effective cleaning power with 2100 max PSI.
Detachable foam cannon for enhanced cleaning capabilities.
Automatic pump shut-off feature for energy conservation.

Cons

Limited to electric power sources, which may restrict mobility.
Not suitable for heavy-duty industrial cleaning tasks.

Overview

The Westinghouse ePX3100v Electric Pressure Washer offers impressive cleaning power with 2100 max PSI and a lightweight design for easy portability.

It comes with a detachable foam cannon and a versatile nozzle set, making it perfect for a variety of surfaces around your home.

Key Features of the Westinghouse ePX3100v

Compact and portable at just 18 pounds, making it easy to move.
20-foot easy-coil nylon braided hose for extended reach.
Three-nozzle set for different cleaning applications.
Automatic shut-off to prolong pump and motor life.

Practical considerations

This electric pressure washer is ideal for residential use but may not meet the demands of more intensive commercial cleaning tasks.

It requires a nearby power source, which could limit its use in some outdoor areas.

Real-world insight

For our home cleaning needs, the Westinghouse ePX3100v stands out as a versatile choice that balances power and portability.

Whether tackling grime on our cars or cleaning patios, this pressure washer proves to be a valuable addition to our outdoor equipment.


Best Value
4

Westinghouse 3400 PSI Gas Pressure Washer

Powerful cleaning for various surfaces
9.1/10
EXPERT SCORE
The Westinghouse WPX3400 Gas Pressure Washer delivers a robust 3400 PSI and 2.6 GPM, making it ideal for tackling tough cleaning tasks around your home. With a convenient onboard soap tank and a variety of nozzles, it’s designed for efficiency and ease of use.
Updated: 19 hours ago

Pros

Powerful 3400 PSI for deep cleaning
Includes multiple nozzles for versatile applications
Onboard soap tank for enhanced cleaning efficiency
Durable construction with easy transportation features

Cons

Requires gas, which may not be convenient for all users
Heavier than some electric models, potentially limiting mobility

Overview

The Westinghouse WPX3400 Gas Pressure Washer delivers a robust 3400 PSI and 2.6 GPM, making it ideal for tackling tough cleaning tasks around your home.

With a convenient onboard soap tank and a variety of nozzles, it’s designed for efficiency and ease of use.

Key Features of the Westinghouse WPX3400

3400 PSI and 2.6 GPM provide strong cleaning power for tough stains
Onboard soap tank simplifies the process of applying detergents
25-foot abrasion-resistant hose allows for extended reach
Robust steel frame and never-flat wheels enhance portability

Practical considerations

When considering the Westinghouse WPX3400, it’s important to note that its gas-powered engine requires regular refueling and maintenance.

This may not be ideal for those who prefer the simplicity of electric models.

Additionally, its weight can be a factor for some users during transport and storage.

Real-world insight

In our experience, the Westinghouse WPX3400 excels in residential cleaning projects, especially for outdoor spaces that demand heavy-duty cleaning.

The combination of strength and versatility makes it a worthwhile investment for homeowners looking to maintain their property’s appearance.


Most Reliable
5

Kärcher K1700 Pressure Washer for Versatile Cleaning

CETA Certified with Three Spray Nozzles
8.8/10
EXPERT SCORE
The Kärcher Pressure Washer K1700 is a powerful unit with 1700 PSI TruPressure and a versatile three-nozzle system. Its CETA certification ensures reliable performance for tasks like car washing and patio cleaning.
Updated: 19 hours ago

Pros

Strong 1700 PSI for effective cleaning
Three spray nozzles for versatile tasks
Convenient detergent tank for added cleaning power
Lightweight design with never-flat wheels for easy mobility

Cons

Lower maximum flow rate at 1.2 GPM compared to some competitors
May require frequent refills of detergent for larger jobs

Overview

The Kärcher Pressure Washer K1700 is a powerful unit with 1700 PSI TruPressure and a versatile three-nozzle system.

Its CETA certification ensures reliable performance for tasks like car washing and patio cleaning.

Key Features of the Kärcher K1700 Pressure Washer

CETA certified for trusted cleaning performance
User-friendly foot switch for easy operation
Turbo nozzle for enhanced cleaning capability
Portable design with durable wheels for maneuverability

Practical considerations

While the Kärcher K1700 is perfect for most residential cleaning tasks, its flow rate might not suit larger jobs requiring extensive water output.

Consider your cleaning needs and the size of the area before making a purchase.

Real-world insight

In our experience, the Kärcher K1700 stands out for its ease of use and effective cleaning power.

It’s particularly well-suited for homeowners looking to maintain their outdoor spaces without the hassle of complicated machinery.


Editor's Choice
6

Powerful Sun Joe Electric Pressure Washer

Cleans up to 2030 PSI for tough jobs
8.6/10
EXPERT SCORE
The Sun Joe SPX3000 electric pressure washer offers a powerful 2030 PSI and multiple spray options for versatile cleaning. It's perfect for tackling dirt and grime on various surfaces, making it an essential tool for outdoor maintenance.
Updated: 19 hours ago

Pros

High pressure of 2030 PSI for effective cleaning
Five spray tips for versatile cleaning options
Dual detergent tanks for easy switching between solutions
Durable components designed for regular outdoor use

Cons

Requires an electrical outlet for operation
Not suitable for heavy-duty commercial use

Overview

The Sun Joe SPX3000 electric pressure washer offers a powerful 2030 PSI and multiple spray options for versatile cleaning.

It’s perfect for tackling dirt and grime on various surfaces, making it an essential tool for outdoor maintenance.

Key Features of the Sun Joe SPX3000

Five quick-connect spray tips allow for tailored cleaning across different surfaces
A powerful motor delivers consistent cleaning pressure
Lightweight design enhances portability and ease of use
Durable hose and lance offer reliability during tough cleaning tasks

Practical considerations

When considering the Sun Joe SPX3000, keep in mind that it relies on an electric power source, which may limit its use in remote areas without access to outlets.

It’s best suited for residential cleaning tasks rather than heavy commercial applications.

Real-world insight

For those of us tackling regular outdoor cleaning tasks, the Sun Joe SPX3000 stands out as a reliable solution.

Its combination of power and versatility makes it an excellent choice for maintaining our homes and vehicles, ensuring we have the right tool for any cleaning challenge.


7

Heavy-Duty 4200PSI Gas Pressure Washer

【 】: This gas pressure cleaner can reach a maximum water pressure
8.4/10
EXPERT SCORE
The IvyBess Professional Gas Pressure Washer delivers powerful performance with 4200PSI and 4GPM, making it ideal for heavy-duty cleaning tasks. Its 10-inch wheels and 33FT hose enhance mobility, ensuring no dirt is left behind.
Updated: 19 hours ago

Pros

High pressure of 4200PSI for effective cleaning
Versatile with five nozzle options for different applications
Portable design with 10-inch wheels for easy maneuverability
Safety features including a trigger lock for secure operation

Cons

Requires gasoline for operation, which may limit use in certain areas
Initial setup and starting process may be complex for some users

Overview

The IvyBess Professional Gas Pressure Washer delivers powerful performance with 4200PSI and 4GPM, making it ideal for heavy-duty cleaning tasks.

Its 10-inch wheels and 33FT hose enhance mobility, ensuring no dirt is left behind.

Key Features of the IvyBess Pressure Washer

Impressive maximum flow rate of 4GPM for efficient cleaning
33FT high-pressure hose allows for a wide cleaning radius
Equipped with a safety lock to prevent accidental discharge
Complies with strict environmental safety standards

Practical considerations

While this pressure washer is powerful and versatile, potential buyers should consider the need for gasoline and the initial setup requirements.

It’s best suited for users who are familiar with gas-powered equipment.

Real-world insight

In our experience, the IvyBess pressure washer excels at tackling stubborn grime on various surfaces, making it an excellent investment for both homeowners and professionals who demand reliability and performance.


8

Greenworks Electric Pressure Washer 1800 PSI

[1800 PSI @ 1.1 GPM]
8.2/10
EXPERT SCORE
The Greenworks 1800 PSI Electric Pressure Washer is perfect for light-duty cleaning tasks around the home. With a push button start and no gas or oil required, it simplifies outdoor maintenance.
Updated: 19 hours ago

Pros

User-friendly push button start for easy operation.
No gas or oil needed, ensuring low maintenance.
Includes various nozzles for versatile cleaning tasks.
Lightweight and portable, making it easy to maneuver.

Cons

Limited to light-duty cleaning tasks.
Electric design may restrict mobility compared to gas options.

Overview

The Greenworks 1800 PSI Electric Pressure Washer is perfect for light-duty cleaning tasks around the home.

With a push button start and no gas or oil required, it simplifies outdoor maintenance.

Key Features of the Greenworks Pressure Washer

1800 PSI power output, ideal for residential cleaning.
35-foot power cord with GFCI plug for safety.
Comes with essential accessories for different cleaning needs.
3-year limited warranty for peace of mind.

Practical considerations

While the Greenworks pressure washer is excellent for light-duty tasks, it may not be suitable for heavy-duty cleaning jobs.

Its electric design requires proximity to an outlet, which could limit where we can use it effectively.

Real-world insight

In our experience, the convenience of an electric pressure washer like this one makes it a go-to option for quick clean-ups around the house without the mess and fuss of gas-powered models.


9

Westinghouse Electric Pressure Washer 3000 PSI

Delivers 3000 max PSI and 1.76 max GPM (at lowest pressure)
8/10
EXPERT SCORE
The Westinghouse WPX3000e Electric Pressure Washer offers impressive cleaning power with 3000 max PSI and a robust induction motor. Equipped with multiple nozzles and an onboard soap tank, it’s perfect for a variety of surfaces around our home.
Updated: 19 hours ago

Pros

High cleaning power with 3000 max PSI for effective dirt removal.
Includes an onboard soap tank for enhanced cleaning capabilities.
Lightweight design and never-flat wheels for easy maneuverability.
Backed by a 3-year warranty for added peace of mind.

Cons

As an electric model, it may require proximity to an outlet.
Limited water flow rate compared to some gas models.

Overview

The Westinghouse WPX3000e Electric Pressure Washer offers impressive cleaning power with 3000 max PSI and a robust induction motor.

Equipped with multiple nozzles and an onboard soap tank, it’s perfect for a variety of surfaces around our home.

Key Features of the Westinghouse WPX3000e

Versatile cleaning with five quick-connect nozzles for different tasks.
Durable steel frame and high-profile wheels for easy transport.
Maintenance-free pump ensures longevity and reduces upkeep.
Compatible with various pressure washer accessories for additional functionality.

Practical considerations

While the electric nature of the Westinghouse WPX3000e limits its mobility away from power sources, its ease of use and effective cleaning power make it a practical choice for most residential tasks.

Real-world insight

In our experience, the Westinghouse WPX3000e excels in providing a thorough clean for outdoor areas and vehicles, making it a valuable addition to our cleaning arsenal, especially during spring cleaning or after heavy use.


10

Powerful Electric Pressure Washer for Tough Cleaning

5000 PSI adjustable pressure for superior cleaning
7.8/10
EXPERT SCORE
This electric pressure washer delivers an impressive 5000 PSI with adjustable pressure settings, making it perfect for tackling tough jobs around the home. Its eco-friendly design ensures efficient cleaning without the noise or fumes typical of gas models.
Updated: 19 hours ago

Pros

High adjustable pressure perfect for various cleaning tasks
Eco-friendly electric motor reduces noise and fumes
Includes a foam cannon for superior cleaning results
Long reach with 33ft hose and compact for easy storage

Cons

Power cord length may limit some outdoor usage
Not as portable as gas-powered models for remote locations

Overview

This electric pressure washer delivers an impressive 5000 PSI with adjustable pressure settings, making it perfect for tackling tough jobs around the home.

Its eco-friendly design ensures efficient cleaning without the noise or fumes typical of gas models.

Key Features of the Imdot Electric Pressure Washer

Adjustable pressure settings from 2500 to 5000 PSI to match cleaning needs
Four precision nozzles offer versatile spray options for different surfaces
Foam cannon included for enhanced vehicle and fence cleaning
Compact design with onboard storage for easy organization and maintenance

Practical considerations

While this electric pressure washer is powerful, it may not be as portable as gas models for jobs in remote locations.

We should also ensure our cleaning area has access to an appropriate power source.

Real-world insight

We appreciate how the Imdot Electric Pressure Washer combines power and eco-friendliness, making it a great choice for those of us who want effective cleaning without the environmental impact of gas-powered units.

How to Choose Best Generator For Pressure Washer

Decision guide
  1. Understand Your Cleaning Requirements

    Evaluate the specific cleaning tasks you’ll be using the pressure washer for. Different jobs may require different pressure levels and flow rates.

  2. Power Source Consideration

    Decide between gas and electric generators. Gas models typically offer higher pressure but may require more maintenance, while electric models are quieter and easier to start.

  3. Portability and Design

    Look for a design that fits your mobility needs. Some models come with wheels and lightweight construction to facilitate easy movement.

  4. Nozzle and Accessory Options

    Different nozzles can impact the versatility of your cleaning tasks. Look for models that include multiple nozzle options for various applications.

  5. Budget and Warranty

    Set a budget that reflects your needs while considering the warranty offered. A good warranty can provide peace of mind for your investment.

Choosing the best generator for your pressure washer involves a variety of factors. Here’s a comprehensive guide to help us make the right decision:

Key Features to Look For

What to look for
01
Pressure Output
Higher PSI is essential for tackling tougher cleaning tasks.
Look for

Higher PSI ratings for tough jobs.

Avoid

Models with low pressure ratings for heavy-duty tasks.

02
Flow Rate
Measured in gallons per minute (GPM), this determines how much water flows through the machine, affecting efficiency.
Look for

Higher GPM rates for efficiency.

Avoid

Low flow rates that may hinder performance.

03
Durability
Materials and build quality can greatly affect longevity.
Look for

Sturdy construction and quality materials.

Avoid

Models made from cheap plastics.

04
Mobility Features
Wheeled designs enhance portability, making it easier to transport the generator.
Look for

Good wheel design for ease of movement.

Avoid

Heavy units without wheels.

Quick Comparison

Side-by-side comparison
How the top picks compare

Simpson 3400 PSI Gas Pressure Washer
Westinghouse ePX3500 Electric Pressure Washer
Compact Westinghouse Electric Pressure Washer
Simpson 3400 PSI Gas Pressure Washer Westinghouse ePX3500 Electric Pressure Washer Compact Westinghouse Electric Pressure Washer
Quick take Experience powerful cleaning with the Simpson 3400 PSI gas pressure washer The Westinghouse ePX3500 Electric Pressure Washer offers excellent cleaning power with 2500 max PSI The Westinghouse ePX3100v Electric Pressure Washer offers impressive cleaning power with 2100 max PSI
Why we picked it High pressure output suitable for tough cleaning tasks; Long-lasting and durable design with corrosion-resistant materials High pressure and flow rate for effective cleaning; Compact and lightweight for easy storage and transpo Lightweight design for easy transport and storage.; Effective cleaning power with 2100 max PSI
Check Price Check Price Check Price

Common Mistakes to Avoid

Avoid these mistakes
  1. Ignoring Power Requirements

    Failing to assess the required PSI and GPM can lead to poor cleaning performance.

  2. Overlooking Portability

    Selecting a heavy model without mobility features can make transport difficult.

  3. Not Checking Warranty

    Neglecting to consider the warranty may result in unexpected repair costs.

  4. Skipping User Reviews

    Ignoring user feedback can lead to poor purchasing decisions.

When selecting a generator for pressure washers, there are several common mistakes to avoid:

How We Chose These Products

Methodology

Our selection process for the best generators for pressure washers is based on thorough research and analysis. Here’s how we approach it:

  • Performance Analysis

    We assess the PSI, GPM, and overall cleaning power to ensure effectiveness for various tasks.

  • User Reviews and Feedback

    Real user experiences play a crucial role in determining reliability and satisfaction.

  • Brand Reputation

    We prioritize reputable brands known for quality and customer support.

  • Value for Money

    We evaluate the features offered in relation to the price to ensure a good investment.

FAQs

Frequently Asked Questions
What is the ideal PSI range for home pressure washing?

For home use, a pressure washer with at least 2000 PSI is recommended for effective cleaning.

Are gas or electric pressure washers better?

Gas pressure washers typically offer higher power, while electric models are quieter and easier to maintain.

How do I maintain my pressure washer?

Regularly check for leaks, clean filters, and store it properly to extend its life.

Can I use a generator with any pressure washer?

Ensure the generator’s output matches the pressure washer’s requirements for optimal performance.

Care and Maintenance Tips

Care tips
  1. Regular Cleaning

  2. Proper Storage

  3. Routine Inspections

  4. Fuel Maintenance

Proper care and maintenance of your pressure washer and generator can significantly enhance their lifespan and performance. Here are some tips to consider:

Final Thoughts

Conclusion
  • The Simpson 3400 PSI Gas Pressure Washer is our top choice for overall performance.
  • For budget options, the Westinghouse WPX3400 offers great value.

In summary, we recommend the Simpson 3400 for its powerful performance across various tasks. However, if you’re looking for a reliable and economical choice, consider the Westinghouse WPX3400.