Pressure Washered

Best Exterior House Cleaner For Pressure Washer

Keeping the exterior of my home clean can be a daunting task, especially when faced with stubborn stains from mold, mildew, and dirt. The right exterior house cleaner can make all the difference, particularly when using a pressure washer. These specialized cleaners not only enhance the effectiveness of the pressure washer but also ensure that the surfaces are treated safely and effectively.

In this guide, I will explore the best exterior house cleaners available for pressure washing. I’ll cover various options that cater to different needs and preferences, helping you choose the best product for your cleaning tasks. Whether you require a concentrated formula for large areas or a gentle cleaner that’s safe for plants, there’s a suitable option available for you.

Top Picks

1
Oxy Solve Pressure Washer Cleaner Concentrate
Best Overall
Oxy Solve Pressure Washer Cleaner Concentrate
Effective against mold and mildew stains
9.8
Amazon.com
2
Simple Green Oxy Solve Outdoor Cleaner Concentrate
Premium Performance
Simple Green Oxy Solve Outdoor Cleaner Concentrate
EPA Safer Choice Certified formula
9.5
Amazon.com
3
Krud Kutter Outdoor Pressure Washer Cleaner
High Performance
Krud Kutter Outdoor Pressure Washer Cleaner
Deep cleaning for various outdoor surfaces
9.3
Amazon.com
4
HOURLEEY 14" Surface Cleaner with Wheels
Best Value
HOURLEEY 14" Surface Cleaner with Wheels
Commercial-grade for easy cleaning tasks
9.1
Amazon.com
5
Kärcher House & Siding Cleaner Concentrate
Most Reliable
Kärcher House & Siding Cleaner Concentrate
Highly concentrated, makes 40 gallons of cleaner
8.8
Amazon.com
6
Theochem OXY Pro Total Wash Cleaner
Editor's Choice
Theochem OXY Pro Total Wash Cleaner
Professional-grade without harsh bleach odors
8.6
Amazon.com
7
30 SECONDS Outdoor Cleaner 2 Pack
30 SECONDS Outdoor Cleaner 2 Pack
Effectively removes outdoor stains quickly
8.4
Amazon.com
8
Powerful 12" Pressure Washer Surface Cleaner
Powerful 12" Pressure Washer Surface Cleaner
Cleans up to 4X faster than spray wands
8.2
Amazon.com
9
Krud Kutter Pressure Washer Cleaner 1 Gallon
Krud Kutter Pressure Washer Cleaner 1 Gallon
Powerful formula for tough stains
8
Amazon.com

Key Takeaways

Here are the essential points to keep in mind when selecting the right exterior house cleaner for your pressure washer.

  • Choose a cleaner that targets specific stains like mold, mildew, or algae.
  • Consider the area coverage provided by the product to maximize efficiency.
  • Opt for eco-friendly options if you have plants or pets nearby.
  • Select a product that works with your specific pressure washer model.

How to Choose Best Exterior House Cleaner For Pressure Washer

When selecting the best exterior house cleaner for pressure washing, there are several factors to consider. Understanding your cleaning needs, the surfaces being treated, and the product’s effectiveness can help narrow down your choices. Here’s a detailed guide on what to keep in mind while making your purchase.

Identify Your Cleaning Needs

Consider the specific stains you’re dealing with. Different cleaners are formulated for various types of dirt, such as mold, mildew, grease, or general grime.

  • Mold and mildew require a powerful cleaner with fungicidal properties.
  • Grease stains may need a degreaser formulation for effective removal.
  • General dirt can often be tackled with a versatile cleaner.

Surface Compatibility

Check if the cleaner is safe for the surfaces you plan to treat. Some cleaners may be too harsh for delicate materials.

  • Wood, vinyl, and concrete require different formulations.
  • Always refer to the product label for compatibility information.
  • Using the wrong cleaner can damage surfaces.

Concentration and Coverage

Higher concentrated formulas can be more economical as they cover larger areas. Look for products that clearly state the coverage per bottle.

  • Concentrates often need to be diluted, so follow the instructions carefully.
  • Consider how much area you need to clean before purchasing.

Eco-Friendliness

If you have plants or pets, consider using eco-friendly cleaners. These products minimize environmental impact and are safer for outdoor use.

  • Look for biodegradable and non-toxic formulations.
  • Check for any safety certifications on the label.

Ease of Use

Choose a product that is easy to apply, especially for larger jobs. Some cleaners may require special equipment while others can be applied directly.

  • Spray-and-rinse options may save time.
  • Concentrates may need additional mixing or preparation.

9 Best Exterior House Cleaner For Pressure Washer

Best Overall
1

Oxy Solve Pressure Washer Cleaner Concentrate

Effective against mold and mildew stains
9.8/10
EXPERT SCORE
The Oxy Solve House and Siding Cleaner effectively tackles tough stains from mold, mildew, and algae on various surfaces. This concentrated cleaner is safe and non-toxic, making it a practical choice for your pressure washing needs.
Updated: July 20, 2026 12:24 am

Pros

Effectively removes tough stains from various surfaces
Environmentally friendly and non-toxic formula
Highly concentrated for extensive cleaning coverage
Easy to use with pressure washers

Cons

May require multiple applications on heavily soiled areas
Not suitable for delicate surfaces like painted wood

Overview

The Oxy Solve House and Siding Cleaner effectively tackles tough stains from mold, mildew, and algae on various surfaces.

This concentrated cleaner is safe and non-toxic, making it a practical choice for your pressure washing needs.

Key Features of Oxy Solve Cleaner

Concentrated formula that maximizes cleaning power
Safe for a wide range of materials including wood and brick
Utilizes peroxide technology for effective stain removal
Ideal for large cleaning projects with a high coverage area

Practical considerations

While the Oxy Solve cleaner is effective on a variety of surfaces, it’s important to test it in an inconspicuous area first, especially on delicate materials.

Its potency may be overkill for minor cleaning tasks.

Real-world insight

I find that using Oxy Solve not only simplifies my cleaning process but also gives me peace of mind knowing I’m using a safer, non-toxic product.

It’s particularly excellent for seasonal maintenance, making my home look its best without harsh chemicals.


Premium Performance
2

Simple Green Oxy Solve Outdoor Cleaner Concentrate

EPA Safer Choice Certified formula
9.5/10
EXPERT SCORE
The Simple Green Oxy Solve Outdoor Cleaner is a versatile concentrate designed for effective cleaning of various surfaces. Its peroxide-powered formula is safe for use around children and pets while covering up to 6,400 sq. ft. per bottle.
Updated: July 20, 2026 12:24 am

Pros

Cleans a wide range of surfaces including wood, vinyl, and concrete effectively.
Peroxide-based formula ensures safety around children and pets.
Covers a large area, making it economical for extensive cleaning tasks.
Ideal for both DIY enthusiasts and professional contractors.

Cons

Requires dilution, which may be an extra step for some users.
Not suitable for use on painted or stained surfaces.

Overview

The Simple Green Oxy Solve Outdoor Cleaner is a versatile concentrate designed for effective cleaning of various surfaces.

Its peroxide-powered formula is safe for use around children and pets while covering up to 6,400 sq. ft. per bottle.

Key Features of Simple Green Oxy Solve Outdoor Cleaner

Professional-grade concentrate that can be used with pressure washers or manually.
EPA Safer Choice certified, indicating a commitment to safety and environmental standards.
Effective against stubborn grime and dirt, making it ideal for high-traffic areas.

Practical considerations

While the cleaner is versatile, it’s important to follow the dilution instructions carefully to achieve the best results.

It’s also essential to test on a small, inconspicuous area if using on a new surface.

Real-world insight

In my experience, investing in a quality outdoor cleaner like this not only keeps my home looking fresh but also extends the life of my outdoor surfaces, making it a worthwhile addition to my cleaning arsenal.


High Performance
3

Krud Kutter Outdoor Pressure Washer Cleaner

Deep cleaning for various outdoor surfaces
9.3/10
EXPERT SCORE
The Krud Kutter Multi-Purpose Pressure Washer Concentrate offers a powerful solution for tackling tough dirt and stains on a variety of surfaces. Its blend penetrates deep, making cleaning effortless without scrubbing.
Updated: July 20, 2026 12:24 am

Pros

Commercial strength formula for tough cleaning jobs
Compatible with a wide range of surfaces
No scrubbing required, just apply and rinse
One gallon can make up to 20 gallons of solution

Cons

Requires a pressure washer for optimal use
Not effective on all types of stains without pre-treatment
Limited to outdoor cleaning applications

Overview

The Krud Kutter Multi-Purpose Pressure Washer Concentrate offers a powerful solution for tackling tough dirt and stains on a variety of surfaces.

Its blend penetrates deep, making cleaning effortless without scrubbing.

Key Features of Krud Kutter Pressure Washer Concentrate

Penetrates and removes tough stains including oil and grease
Cleans up to 5,800 square feet, making it suitable for large areas
Quick application with a simple rinse-off process
Bleach-free and biodegradable for safe usage

Practical considerations

While this product excels at cleaning a variety of outdoor surfaces, it is important to have a pressure washer for best results.

Additionally, it may require pre-treatment for certain stubborn stains to achieve optimal cleanliness.

Real-world insight

In my experience, the Krud Kutter is a reliable choice for deep cleaning my outdoor spaces quickly and efficiently.

Its ability to cover large areas means I can tackle multiple surfaces in one go, saving me time and effort.


Best Value
4

HOURLEEY 14" Surface Cleaner with Wheels

Commercial-grade for easy cleaning tasks
9.1/10
EXPERT SCORE
The Hourleey 14" Pressure Washer Surface Cleaner is designed for efficient cleaning of large, flat surfaces like patios and driveways. With durable stainless steel construction and four wheels for easy maneuverability, it's a practical choice for tough outdoor stains.
Updated: July 20, 2026 12:24 am

Pros

Wide cleaning path reduces cleaning time on large surfaces.
Durable stainless steel construction ensures long-lasting use.
Four wheels provide enhanced mobility and ease of use.
Compatible with a range of pressure washers for flexible application.

Cons

Requires a compatible pressure washer with adequate PSI.
May be too large for small or intricate spaces.

Overview

The Hourleey 14″ Pressure Washer Surface Cleaner is designed for efficient cleaning of large, flat surfaces like patios and driveways.

With durable stainless steel construction and four wheels for easy maneuverability, it’s a practical choice for tough outdoor stains.

Key Features of the Hourleey Surface Cleaner

Commercial-grade cleaning width of 14 inches for efficient coverage.
Durable construction with heavy-duty bearings for stability.
360-degree rotating wheels for effortless maneuverability.
Includes extension wands and nozzles for versatile cleaning options.

Practical considerations

When considering the Hourleey Surface Cleaner, ensure your pressure washer meets the minimum PSI requirements for optimal performance.

This cleaner is best suited for larger areas rather than tight or intricate spaces.

Real-world insight

I’ve found that using the Hourleey Surface Cleaner significantly cuts down the time I spend cleaning outdoor surfaces, making it a valuable addition to my outdoor maintenance toolkit.


Most Reliable
5

Kärcher House & Siding Cleaner Concentrate

Highly concentrated, makes 40 gallons of cleaner
8.8/10
EXPERT SCORE
The Kärcher House & Siding Cleaner is a highly concentrated formula that effectively removes dirt and grime. It makes up to 40 gallons of cleaner and is suitable for use with pressure washers and foam cannons.
Updated: July 20, 2026 12:24 am

Pros

Highly concentrated, producing up to 40 gallons of cleaner
Quick rinsing formula prevents residue build-up
Versatile application for pressure washers and foam cannons
Biodegradable formula is environmentally friendly

Cons

Requires mixing before use, which may be inconvenient for some
Not suitable for all surfaces; check compatibility before use

Overview

The Kärcher House & Siding Cleaner is a highly concentrated formula that effectively removes dirt and grime.

It makes up to 40 gallons of cleaner and is suitable for use with pressure washers and foam cannons.

Key Features of Kärcher House & Siding Cleaner

Designed for effective cleaning of houses and siding
Made in the USA with a focus on quality
Can be applied manually or with pressure washing equipment

Practical considerations

While the Kärcher cleaner is effective, it’s essential to ensure it’s compatible with the surfaces you plan to clean.

Mixing the concentrate requires some initial effort, but the results are worth it.

Real-world insight

I’ve used this cleaner with my pressure washer, and I appreciate how much cleaner I can make with just a single bottle.

It really helps streamline my cleaning routine, especially when tackling larger areas.


Editor's Choice
6

Theochem OXY Pro Total Wash Cleaner

Professional-grade without harsh bleach odors
8.6/10
EXPERT SCORE
Theochem OXY Pro Total Wash is a powerful outdoor cleaner that effectively lifts grime and stains from a variety of surfaces. With its concentrated formula, I can clean my entire house while being safe for my plants.
Updated: July 20, 2026 12:24 am

Pros

Cleans multiple surfaces effectively with one product.
Eco-friendly formula that is safe for plants.
Highly concentrated, yielding up to 32 gallons of ready-to-use cleaner.
Lifts tough stains without damaging surfaces.

Cons

Requires proper rinsing to avoid harming surrounding plants.
May not be as effective on heavily soiled areas without additional scrubbing.

Overview

Theochem OXY Pro Total Wash is a powerful outdoor cleaner that effectively lifts grime and stains from a variety of surfaces.

With its concentrated formula, I can clean my entire house while being safe for my plants.

Key Features of Theochem OXY Pro Total Wash

Powerful OXY-based formula removes dirt and organic stains without bleach.
Ultra-concentrated, providing extensive coverage with minimal product.
Compatible with pressure washers for efficient application.
Safe for use around plants when used as directed.

Practical considerations

While Theochem OXY Pro is effective, it’s essential to follow application guidelines carefully, especially regarding rinsing to protect plants.

It’s best for those who regularly maintain their home’s exterior and want a single solution for various surfaces.

Real-world insight

In my experience, having one versatile cleaner like Theochem OXY Pro not only simplifies the cleaning process but also saves money by eliminating the need for multiple products.

This makes outdoor cleaning much more manageable for homeowners.


7

30 SECONDS Outdoor Cleaner 2 Pack

Effectively removes outdoor stains quickly
8.4/10
EXPERT SCORE
The 30 SECONDS Outdoor Cleaner makes tackling tough stains from algae, mold, and mildew straightforward. Its easy application process allows me to spray and rinse without the hassle of pressure washing.
Updated: July 20, 2026 12:24 am

Pros

Efficiently removes stains from multiple surfaces
Safe for use around plants and landscaping
User-friendly with easy spray and rinse application
No need for a pressure washer, saving time and effort

Cons

May require multiple applications for tough stains
Only effective on organic stains, not all types of dirt or grime

Overview

The 30 SECONDS Outdoor Cleaner makes tackling tough stains from algae, mold, and mildew straightforward.

Its easy application process allows me to spray and rinse without the hassle of pressure washing.

Key Features of 30 SECONDS Outdoor Cleaner

Rapidly cleans algae, mold, and mildew stains
Safe for use on wood decks, concrete, and vinyl siding
Hose end sprayer for easy application
Versatile for various outdoor surfaces including brick and plastic furniture

Practical considerations

While this cleaner is effective on many surfaces, it’s important to follow the usage directions to avoid any potential damage to sensitive areas.

It’s best to test on a small, inconspicuous spot first.

Real-world insight

In my experience, the 30 SECONDS Outdoor Cleaner delivers reliable results without the need for heavy machinery, which is a significant advantage when I’m looking to clean larger areas quickly.


8

Powerful 12" Pressure Washer Surface Cleaner

Cleans up to 4X faster than spray wands
8.2/10
EXPERT SCORE
The Westinghouse PWSC12 Pressure Washer Surface Cleaner is perfect for achieving streak-free results on various flat surfaces. With dual rotating jets and a wide cleaning path, it makes cleaning faster and more efficient than traditional methods.
Updated: July 20, 2026 12:24 am

Pros

Delivers streak-free cleaning with dual rotating jets.
Cleans up to 4X faster than a regular spray wand.
Lightweight design reduces arm fatigue during use.
Ideal for maneuvering in tight spaces and corners.

Cons

Not compatible with gas pressure washers.
Limited to flat surfaces; not suitable for vertical cleaning on its own.

Overview

The Westinghouse PWSC12 Pressure Washer Surface Cleaner is perfect for achieving streak-free results on various flat surfaces.

With dual rotating jets and a wide cleaning path, it makes cleaning faster and more efficient than traditional methods.

Key Features of the Westinghouse PWSC12

Universal 1/4 inch quick connect fitting for easy attachment.
Lightweight design at only two pounds for easy handling.
Splash-free skirt prevents water from splattering nearby objects.
Wide cleaning path ensures efficient coverage on large areas.

Practical considerations

While this surface cleaner is excellent for flat surfaces, its compatibility is limited to electric pressure washers.

Additionally, I found that its effectiveness diminishes on vertical surfaces, so it may not be the best option for all cleaning tasks.

Real-world insight

In my experience, the Westinghouse PWSC12 significantly reduces the time I spend cleaning outdoor surfaces.

Its compact design allows me to easily reach tight spots, making it a valuable tool for maintaining my home’s exterior.


9

Krud Kutter Pressure Washer Cleaner 1 Gallon

Powerful formula for tough stains
8/10
EXPERT SCORE
The Krud Kutter Concrete & Driveway Cleaner is a powerful solution designed to tackle tough oil and grease stains. This biodegradable cleaner works efficiently on various surfaces, making it ideal for large cleaning jobs without the need for scrubbing.
Updated: July 20, 2026 12:24 am

Pros

Cuts through tough oil and grease stains effectively
Wide compatibility with various surfaces like concrete and brick
No scrubbing required, making it user-friendly
Biodegradable formula for eco-conscious cleaning

Cons

Requires a pressure washer for best results
May need multiple applications for extremely stubborn stains

Overview

The Krud Kutter Concrete & Driveway Cleaner is a powerful solution designed to tackle tough oil and grease stains.

This biodegradable cleaner works efficiently on various surfaces, making it ideal for large cleaning jobs without the need for scrubbing.

Key Features of the Krud Kutter Cleaner

Commercial-strength formula that penetrates deep into stains
Dilutes to make up to 20 gallons of cleaning solution
Fast-acting and bleach-free for safer use
Ideal for both residential and commercial cleaning tasks

Practical considerations

When purchasing this cleaner, consider that its effectiveness is maximized with a pressure washer.

While it covers large areas, extremely stubborn stains might require additional applications for complete removal.

Real-world insight

From my experience, using this cleaner has significantly reduced the time and effort I spent on outdoor cleaning tasks.

Its ability to work without scrubbing is a game changer, especially for larger spaces like driveways and patios.

Key Features to Look For

When shopping for an exterior house cleaner for pressure washing, consider these key features to ensure you make the best choice.

Stain Removal Capability

Effective at removing specific stains like mold and grease.

  • Look for targeted stain-fighting ingredients.
  • Check reviews for real-world effectiveness.

Eco-Friendly Formulation

Safety for plants and pets should be a priority.

  • Biodegradable options are preferable.
  • Non-toxic ingredients are safer for the environment.

Concentration Level

Highly concentrated cleaners offer more cleaning power.

  • Determine the amount of solution each bottle produces.
  • Economical options provide more value.

Surface Compatibility

Ensure the cleaner is suitable for the surfaces you will treat.

  • Check compatibility with wood, vinyl, and concrete.
  • Use surface-specific cleaners when necessary.

Quick Comparison

A quick side-by-side comparison helps show where each option fits before the detailed reviews.

ProductQuick takeWhy we picked it
Oxy Solve Pressure Washer Cleaner ConcentrateThe Oxy Solve House and Siding Cleaner effectively tackles tough stains from mold, mildewEffectively removes tough stains from various surfaces; Environmentally friendly and non-toxic formula
Simple Green Oxy Solve Outdoor Cleaner ConcentrateThe Simple Green Oxy Solve Outdoor Cleaner is a versatile concentrate designed for effectiveCleans a wide range of surfaces including wood, vinyl, and concrete effectively.; Peroxide-based formula ensures safety around childre
Krud Kutter Outdoor Pressure Washer CleanerThe Krud Kutter Multi-Purpose Pressure Washer Concentrate offers a powerful solution for tackling toughCommercial strength formula for tough cleaning jobs; Compatible with a wide range of surfaces

Common Mistakes to Avoid

When selecting and using exterior house cleaners, there are several common mistakes that can lead to ineffective cleaning or even damage.

Using the Wrong Cleaner for the Surface

Not all cleaners are suitable for every surface. Using an incompatible product can cause damage.

Neglecting to Dilute Concentrates

Many cleaners require dilution. Failing to do so can result in ineffective cleaning or surface damage.

Ignoring Instructions

Each product comes with specific instructions for use. Skipping these can lead to poor results.

Overusing the Cleaner

More is not always better. Using excessive amounts won’t improve cleaning results and can waste product.

How We Chose These Products

My selection process for the best exterior house cleaners involved thorough research and evaluation of various products. Here’s how I narrowed down my choices.

Effectiveness

I assessed each product’s ability to remove common outdoor stains like mold and mildew.

User Reviews

I considered feedback from other users to gauge real-world performance and satisfaction.

Safety

Each cleaner’s ingredients were reviewed for eco-friendliness and safety around pets and plants.

Concentration and Coverage

I compared the concentration levels and area coverage of each product to ensure value for money.

FAQs

Can I use regular household cleaners in my pressure washer?

No, regular household cleaners may damage your pressure washer and are not formulated for high-pressure applications.

How do I apply exterior house cleaners?

Most cleaners can be applied directly or mixed with water, depending on the product. Always follow the instructions.

Are these cleaners safe for plants?

Many exterior house cleaners are eco-friendly, but always check the label to ensure safety for plants and pets.

How often should I clean the exterior of my house?

It depends on your location and environmental factors, but a good rule of thumb is at least once a year.

Care and Maintenance Tips

Proper care and maintenance of your pressure washer and cleaning products can enhance their longevity and effectiveness. Here are some tips.

Store Cleaners Properly

Keep cleaning solutions in a cool, dry place and ensure the caps are tightly sealed.

Rinse Equipment After Use

After cleaning, run water through your pressure washer to prevent any cleaner residue build-up.

Monitor for Damage

Regularly check your pressure washer and hoses for any signs of wear or damage.

Follow Product Expiry Dates

Check the expiration dates on cleaning products to ensure efficacy.

Final Thoughts

For a versatile and effective cleaner, the Oxy Solve Pressure Washer Cleaner Concentrate is my top choice. If you need something safe for pets and children, the Simple Green Oxy Solve Outdoor Cleaner is excellent. For heavy-duty tasks, the Krud Kutter Outdoor Cleaner offers powerful cleaning without scrubbing.

Choosing the right exterior house cleaner for pressure washing is crucial for optimal results. With the options listed, you can confidently tackle tough stains while protecting your surfaces.

Ray D Berryman
Ray D Berryman

Ray D. Berryman spent most of his working life selling, servicing, and repairing pressure washers and outdoor cleaning equipment. Over the years, he helped homeowners and contractors choose the right machines, solve common problems, and keep their equipment running properly. Now retired, Ray shares practical advice based on real hands-on experience rather than product brochures.

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