Top 9 Best Cleaner To Pressure Wash House

Richard Shafer | 28-01-2026

Keeping your home’s exterior clean can be a challenge, especially when dirt, algae, and mildew build up on siding, decks, and driveways. Many homeowners struggle with stubborn stains and discoloration that regular cleaning just can’t tackle, leading to frustration and wasted effort.

Pressure washing is a practical solution, but choosing the right cleaner or attachment makes all the difference. This guide reviews the best pressure washer cleaners and surface attachments for home use, helping you select the right products for your needs, whether you’re tackling vinyl siding, brick, or large patio surfaces.

Editor's Choice
Simple Green Oxy Solve House & Siding Cleaner
Simple Green Oxy Solve House & Siding Cleaner
Premium Pick
Zep House & Siding Pressure Wash Cleaner Concentrate
Zep House & Siding Pressure Wash Cleaner Concentrate
Budget Pick
Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner
Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner

Our Top 9 Best Cleaner To Pressure Wash House Picks

Whether you’re buying your first Cleaner To Pressure Wash House or replacing an old one, we compared trusted options to help you make an informed choice.

1. Simple Green Oxy Solve House & Siding Cleaner

Best for Family-Friendly Cleaning
Simple Green Oxy Solve House & Siding Cleaner
9.8

Simple Green

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Tough stains from algae, moss, and mildew can make house siding look tired and uninviting. A dedicated pressure washer cleaner is essential for restoring curb appeal without harsh chemicals or excessive scrubbing.

Simple Green Oxy Solve House & Siding Cleaner stands out for its safer, orally non-toxic formula, making it a reassuring choice for families with children or pets. It's ideal for homeowners who want an effective, peroxide-powered clean without worrying about lingering chemical residues.

  • Multi-surface compatibility: Cleans vinyl, aluminum, stucco, wood, and brick for versatile home use
  • Peroxide-based cleaning: Lifts grime and stains without harsh chemicals, safer for family environments
  • Large coverage: Concentrate cleans up to 6,400 sq. ft., suitable for most home exteriors

Compared to traditional cleaners, this formula prioritizes safety and ease of use, making it a strong pick for households concerned about chemical exposure. The tradeoff is that it may not be as aggressive on extremely tough industrial grime.

Strength
  • Safe, non-toxic formula
  • Works on multiple siding types
  • No harsh chemical smell
  • Good coverage per bottle
  • Easy to use with pressure washers
Weakness
  • Not for industrial stains
  • May require repeat application on heavy buildup

2. Zep House & Siding Pressure Wash Cleaner Concentrate

Best for Large Coverage Needs
Zep House & Siding Pressure Wash Cleaner Concentrate

Large homes or properties with extensive siding can make cleaning feel overwhelming, especially when stains are stubborn or widespread. A concentrated cleaner that covers more area helps save time and effort.

Zep House & Siding Pressure Wash Cleaner Concentrate is designed for those who need to tackle big jobs. Its construction-grade formula removes tough stains and dirt, making it a practical choice for homeowners with large cleaning projects or multiple surfaces to maintain.

  • High dilution ratio: Makes up to 20 gallons of cleaner from one bottle, maximizing value
  • Effective on multiple surfaces: Cleans vinyl, aluminum, wood, gutters, brick, and stucco
  • Construction-grade strength: Targets stubborn stains and dirt for thorough results

Unlike lighter-duty options, Zep prioritizes coverage and cleaning power, making it a go-to for larger properties. The main tradeoff is that it may be more than needed for small or lightly soiled areas.

Strength
  • Covers large surface areas
  • Strong cleaning formula
  • Works on various materials
  • Good value per use
  • Ideal for big projects
Weakness
  • Not returnable
  • Overkill for small jobs

3. Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner

Best for Multi-Surface Cleaning
Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner
9.1

Simple Green

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Outdoor cleaning often involves more than just siding—patios, decks, and driveways all collect grime and stains. A versatile cleaner that works across surfaces simplifies the process and reduces the need for multiple products.

Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner is a flexible option for homeowners who want one solution for wood, vinyl, metal, fabric, plastic, concrete, and more. It's especially suited for those looking to streamline outdoor cleaning routines.

  • Broad compatibility: Cleans wood, composite, vinyl, metal, fabric, plastic, stone, brick, and asphalt
  • Peroxide-powered: Lifts dirt, mold, mildew, moss, and algae without harsh chemicals
  • Large area coverage: One gallon treats up to 6,400 sq. ft., suitable for multiple outdoor projects

Compared to single-purpose cleaners, this product emphasizes versatility and convenience. The tradeoff is that it may not be as specialized for the toughest stains on any one surface.

Strength
  • Works on many surfaces
  • Safer peroxide formula
  • Good for whole property
  • Large coverage per gallon
  • Reduces need for multiple products
Weakness
  • Not as targeted for siding
  • May need extra effort on heavy buildup

4. Kärcher House & Siding Cleaner Concentrate

Best for Maximum Dilution Value
Kärcher House & Siding Cleaner Concentrate
8.9

Karcher

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Cleaning large homes or outbuildings can quickly use up cleaning supplies, making dilution value an important factor. A highly concentrated detergent helps stretch your budget and reduce waste.

Kärcher House & Siding Cleaner Concentrate is ideal for those who want a quick-rinsing, residue-free clean and need to cover a lot of ground. Its formula is suitable for pressure washers, foam cannons, or manual application, making it flexible for different cleaning setups.

  • Makes up to 40 gallons: Highly concentrated for extensive coverage from a single bottle
  • Quick rinsing: Leaves surfaces clean without sticky residue
  • Multiple application methods: Works with pressure washers, foam cannons, or by hand

Compared to standard concentrates, this product prioritizes dilution efficiency and easy rinsing. The tradeoff is that it may require careful measuring to avoid overuse.

Strength
  • Extremely high dilution ratio
  • Quick and easy rinsing
  • Flexible application methods
  • Made in the USA
  • Good for large properties
Weakness
  • Requires precise dilution
  • Not as specialized for tough stains

5. SIMPSON 88282 Concentrated Pressure Washer Soap

Best for Heavy-Duty Versatility
SIMPSON 88282 Concentrated Pressure Washer Soap
9.1

Simpson

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Heavy-duty cleaning needs—such as construction equipment, driveways, or fleet vehicles—demand a versatile cleaner that can handle oil, grease, and tough grime. Homeowners with demanding outdoor messes benefit from a formula that works across tools and surfaces.

SIMPSON 88282 Concentrated Pressure Washer Soap is formulated for both industrial and residential use, making it a strong choice for those who want one product for everything from decks to machinery. Its high concentration means a little goes a long way.

  • Non-butyl degreaser: Cuts through oil and grease, suitable for tough cleaning jobs
  • Multiple application options: Use with pressure washers, steam cleaners, or manually
  • High yield: Dilutes to make up to 256 gallons, maximizing value per bottle

Compared to lighter-duty cleaners, this product prioritizes strength and versatility. The tradeoff is that it may be more than necessary for routine home siding cleaning.

Strength
  • Handles heavy-duty messes
  • Works with various equipment
  • Very high dilution yield
  • Effective on oil and grease
  • Suitable for industrial and home use
Weakness
  • Overpowered for light cleaning
  • May require careful dilution

6. Westinghouse PWSC12 12" Pressure Washer Surface Cleaner

Best for Compact Surface Cleaning
Westinghouse PWSC12 12
8.5

Westinghouse

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Cleaning flat surfaces like decks, patios, and driveways can be time-consuming with a standard spray wand. A dedicated surface cleaner attachment speeds up the process and delivers more even results.

Westinghouse PWSC12 12" Pressure Washer Surface Cleaner is designed for homeowners who want a simple, easy-to-use tool for regular outdoor cleaning. Its compact size and compatibility with most pressure washers make it accessible for a wide range of users.

  • 12-inch cleaning path: Efficiently cleans flat surfaces without streaks
  • Quick-connect fitting: Compatible with most gas and electric pressure washers
  • Durable, easy-to-store design: Built for regular use and convenient storage

Compared to larger or more complex attachments, this model prioritizes simplicity and ease of use. The tradeoff is that it's best suited for small to medium areas rather than expansive driveways.

Strength
  • Simple to operate
  • Compact for storage
  • Quick attachment changes
  • Good for decks and patios
  • Durable construction
Weakness
  • Not ideal for large areas
  • Limited to 2500 PSI

7. Kärcher Multi Purpose Pressure Washer Detergent

Best for Universal Compatibility
Kärcher Multi Purpose Pressure Washer Detergent
8.9

Karcher

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Pressure washer detergents aren't always compatible with every machine, which can cause frustration and wasted product. A universal formula ensures you get reliable results no matter your setup.

Kärcher Multi Purpose Pressure Washer Detergent is formulated for use with most consumer gas and electric pressure washers, making it a practical option for households with different brands or models. It's suitable for a wide range of outdoor cleaning tasks, from driveways to fencing.

  • Universal compatibility: Works with most pressure washers for hassle-free use
  • Highly concentrated: Makes up to 20 gallons from one gallon of concentrate
  • Multi-surface cleaning: Effective on concrete, pavement, patios, decks, RVs, and more

Compared to more specialized detergents, this product prioritizes flexibility and ease of use. The tradeoff is that it may not be as tailored to specific stains or surfaces.

Strength
  • Works with most machines
  • Cleans many outdoor surfaces
  • Good dilution value
  • Made in the USA
  • Simple to mix
Weakness
  • Not specialized for siding
  • General-purpose formula

8. Kärcher Multi Purpose Pressure Washer Detergent Quart

Best for Small-Scale Cleaning
Kärcher Multi Purpose Pressure Washer Detergent Quart

Not every cleaning job requires a large quantity of detergent, especially for smaller homes or spot treatments. A quart-sized concentrate is convenient for those who want to avoid excess waste or storage issues.

Kärcher Multi Purpose Pressure Washer Detergent Quart is ideal for homeowners with limited cleaning needs or those who want to try a product before committing to a larger size. It's compatible with most pressure washers and suitable for a variety of outdoor surfaces.

  • Compact size: Quart bottle makes up to 5 gallons of detergent, reducing storage needs
  • Universal compatibility: Works with most gas and electric pressure washers
  • Multi-surface use: Cleans concrete, decks, cars, boats, and more

Compared to gallon-sized concentrates, this option prioritizes convenience and minimal waste. The tradeoff is that it may not be cost-effective for larger or frequent cleaning projects.

Strength
  • Easy to store
  • Good for small jobs
  • Works with most washers
  • Multi-surface application
Weakness
  • Limited quantity per bottle
  • Not for large properties

9. Nezion 14" Pressure Washer Surface Cleaner with Wheels

Best for Stable Large-Area Cleaning
Nezion 14

Cleaning large patios, driveways, or sidewalks with a standard wand can be slow and uneven. A wide, stable surface cleaner attachment helps cover more ground efficiently and with less effort.

Nezion 14" Pressure Washer Surface Cleaner is built for homeowners who want to tackle big, flat areas quickly. Its four-wheel design and rust-resistant construction make it a durable choice for frequent outdoor cleaning.

  • 14-inch cleaning width: Covers large surfaces faster than standard attachments
  • Stable four-wheel design: Prevents tipping and ensures even cleaning
  • High-pressure compatibility: Works with washers up to 4000 PSI for tough jobs

Compared to smaller or wheel-less models, this attachment prioritizes stability and speed on expansive surfaces. The tradeoff is that it may be bulkier to store and maneuver in tight spaces.

Strength
  • Wide cleaning path
  • Stable operation with wheels
  • Durable, rust-resistant build
  • Includes extra nozzles and wands
  • Handles high PSI washers
Weakness
  • Bulky for small areas
  • Requires compatible pressure washer

Buying Guide: How to Choose the Best Cleaner or Attachment for Pressure Washing Your House

Pressure washing your home's exterior is a practical way to remove dirt, mildew, and stains, but the right cleaner or attachment makes all the difference. Buyers face tradeoffs between cleaning power, safety, versatility, and ease of use. Many assume any detergent or tool will work, but matching the product to your specific surfaces and cleaning needs is key for safe, effective results.

Choosing Between Cleaner Concentrates and Surface Attachments

Deciding whether you need a chemical cleaner, a physical attachment, or both depends on your cleaning goals and the surfaces you need to address. Cleaners are essential for breaking down grime and organic stains, while attachments like surface cleaners help you cover large, flat areas more efficiently.

Matching Cleaner Strength and Dilution to Your Needs

Not all cleaning jobs require maximum strength. Highly concentrated formulas offer great value for large properties, but lighter-duty or family-safe options are better for routine maintenance or homes with kids and pets.

Selecting the Right Attachment Size and Features

Surface cleaner attachments come in different sizes and designs. Larger, wheeled models are ideal for big, open areas, while compact units are easier to maneuver and store.

Universal vs. Specialized Cleaners

Universal detergents work with most machines and surfaces, making them a safe bet for varied cleaning tasks. Specialized formulas may deliver better results for stubborn stains or unique materials but can be less flexible.

Final Buying Advice

Choosing the right cleaner or attachment comes down to your home's surfaces, the size of the area, and your cleaning goals. Avoid overbuying heavy-duty products if your needs are simple, and don't underestimate the value of a good attachment for large areas.

FAQ For Cleaner To Pressure Wash House

1. Do I need both a cleaner and a surface attachment to pressure wash my house?

Not always. A cleaner concentrate is essential for removing stains and organic growth, while a surface attachment is helpful for large, flat areas like patios or driveways. For siding, a cleaner alone may be sufficient.

2. Are pressure washer cleaners safe for plants and pets?

Some cleaners, like those with peroxide-based or non-toxic formulas, are safer for plants and pets. Always check the product label and rinse surrounding areas thoroughly after use.

3. How do I choose the right dilution ratio for my cleaner?

Follow the manufacturer's instructions on the label. Using too much concentrate can waste product and may harm surfaces, while too little may reduce cleaning effectiveness.

4. Can I use any pressure washer attachment with my machine?

Most attachments use standard quick-connect fittings, but always check compatibility with your pressure washer's PSI rating and connector type before purchasing.

5. What surfaces can I clean with a multi-purpose pressure washer detergent?

Multi-purpose detergents are typically safe for concrete, decks, siding, fencing, vehicles, and more. Always test a small area first and consult the product instructions.

6. Is a larger surface cleaner always better?

Larger surface cleaners cover more area quickly but may be harder to maneuver in tight spaces. Choose a size that matches your cleaning area and storage space.

7. How often should I pressure wash my house siding?

Most homes benefit from pressure washing once a year, but frequency depends on local climate, vegetation, and buildup. Avoid over-washing to prevent surface wear.

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