When it comes to cleaning the exterior of your house, using a pressure washer can be a highly effective method. However, simply using water may not be enough to tackle tough dirt, grime, and stains. That’s where a good detergent comes in. Choosing the right detergent is crucial for achieving maximum cleaning power without damaging the surfaces.

One of the best detergents for washing a house with a pressure washer is a formula specifically designed for this task. These detergents are typically composed of a blend of surfactants, solvents, and additives that work together to break down dirt and remove stains. They are specially formulated to be safe for use on various exterior surfaces, including siding, brick, stucco, and concrete.

When selecting a detergent, it’s important to consider the specific needs of your house. If you’re dealing with mildew or mold, look for a detergent that’s specifically designed to eliminate these types of growth. For tougher stains or grease, a heavy-duty detergent may be necessary. Additionally, consider the compatibility of the detergent with your pressure washer. Some detergents are designed for use with specific pressure washer models, while others are more versatile.

Overall, investing in a high-quality detergent can make a significant difference in the outcome of your house washing project. The right detergent will not only help remove dirt and grime effectively but also help protect and prolong the life of your house’s exterior surfaces. So, take the time to research and choose the best detergent for washing your house with a pressure washer, and enjoy a clean and fresh-looking home.

Why using detergent is important for pressure washing a house

When it comes to pressure washing your house, using detergent is a crucial step in achieving optimal results. The power of a pressure washer alone may be able to remove some surface dirt and grime, but stubborn stains, mold, and mildew often require the assistance of a detergent.

as of June 28, 2024 12:35 pm change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.">

One of the main reasons why using detergent is important is that it helps to break down and dissolve tough stains and buildup on the surfaces of your house. Detergents are specially formulated to target different types of stains, whether it be grease, oil, algae, or rust. By using the right detergent for the specific type of stain you are dealing with, you can effectively remove it and restore the appearance of your house.

Additionally, detergents are designed to be safe for use with pressure washers, meaning they won’t damage or strip away the paint or finish on your house. They are formulated to be water-soluble and rinse away clean, leaving behind a fresh and clean surface. Without the use of detergent, you may risk damaging the surfaces of your house or not achieving the desired results.

Overall, incorporating detergent into your pressure washing routine is essential for achieving a deep and thorough clean. It helps to remove tough stains, mold, and mildew, while also ensuring the safety of your house’s surfaces. Don’t underestimate the power of a good detergent and the difference it can make in the final results of your pressure washing project.

Factors to consider when choosing a detergent for pressure washing

When it comes to pressure washing your house, choosing the right detergent is crucial for achieving effective and efficient results. There are several factors that you should consider when selecting a detergent for pressure washing.

Type of surface: One of the first things to consider is the type of surface you will be washing. Different surfaces, such as wood, concrete, or vinyl, may require different cleaning agents to effectively remove dirt and stains. It’s important to choose a detergent that is specifically formulated for the surface you are cleaning to avoid any potential damage.

Cleaning power: Another important factor to consider is the cleaning power of the detergent. The effectiveness of a detergent can vary depending on its concentration and the specific chemicals it contains. For tough stains and heavy dirt buildup, you may need a stronger detergent with higher cleaning power. However, for more delicate surfaces, a milder detergent may be more suitable to avoid any potential damage.

Environmental impact: It’s also worth considering the environmental impact of the detergent you choose. Some detergents may contain harsh chemicals that can be harmful to the environment. If sustainability is a concern, look for eco-friendly or biodegradable detergents that are formulated with non-toxic ingredients and are safe for both plants and animals.

Compatibility with pressure washer: Lastly, you should ensure that the detergent you choose is compatible with your pressure washer. Some pressure washers may require specific types or brands of detergents to work effectively. It’s important to check the manufacturer’s recommendations and guidelines to ensure that the detergent you choose will not cause any damage to your equipment.

By considering these factors, you can choose a detergent that is not only effective at cleaning your house but also safe for the surfaces and the environment.

Top Recommendations for the Best Detergents for Pressure Washing a House

When it comes to pressure washing your house, choosing the right detergent can make a significant difference in the effectiveness of the cleaning process. Here are some top recommendations for the best detergents to use:

1. All-Purpose Cleaner

An all-purpose cleaner is a versatile option that can be used for various surfaces, including vinyl, brick, and stucco. This type of detergent is usually formulated to remove dirt, grime, mildew, and mold with ease. It is a reliable choice for general house cleaning and can be used on both interior and exterior surfaces.

2. Concrete Cleaner

For concrete surfaces, such as driveways, sidewalks, and patios, a specialized concrete cleaner is highly recommended. These detergents are designed to effectively remove grease, oil stains, and dirt that are commonly found on concrete surfaces. They can help restore the original appearance of the concrete and leave it looking fresh and clean.

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3. House and Siding Cleaner

If you have siding on your house, using a dedicated house and siding cleaner is essential. These detergents are formulated to remove dirt, grime, and stains from various siding materials like vinyl, aluminum, and wood. They are effective in brightening the appearance of the siding and can safely be used with a pressure washer.

4. Mold and Mildew Cleaner

If you’re dealing with stubborn mold and mildew on your house’s exterior, using a mold and mildew cleaner is the best solution. These detergents are specially formulated to kill and remove mold, mildew, and algae. They can effectively tackle the toughest mold and mildew stains and prevent them from reoccurring.

Remember to always follow the manufacturer’s instructions when using detergents with a pressure washer. Additionally, it’s important to wear protective gear, such as gloves and goggles, to ensure your safety during the cleaning process.

How to effectively use detergent with a pressure washer when washing a house

Using detergent with a pressure washer can greatly enhance the cleaning power and effectiveness when washing a house. Here are some tips on how to effectively use detergent with a pressure washer:

  1. Choose the right detergent: There are specific detergents designed for use with pressure washers. It’s important to choose a detergent that is compatible with your pressure washer and suitable for the cleaning task at hand, such as removing dirt, grime, or mold from a house.
  2. Dilute the detergent: Most pressure washer detergents need to be diluted with water before use. Read the instructions on the detergent bottle to determine the appropriate dilution ratio. Using too much detergent can lead to excess foam and can potentially damage surfaces, while using too little may not provide the desired cleaning effect.
  3. Apply the detergent: Some pressure washers have a dedicated detergent tank or dispenser that allows for easy application. If your pressure washer doesn’t have this feature, you can apply the detergent using a separate spray bottle or a low-pressure nozzle attachment. Start from the bottom and work your way up, ensuring that all surfaces are evenly coated with the detergent.
  4. Let the detergent sit: After applying the detergent, allow it to sit on the surface for a few minutes to allow it to penetrate and break down the dirt and grime. This dwell time will vary depending on the detergent, so refer to the instructions for guidance.
  5. Rinse with water: Using a pressure washer, rinse off the detergent from top to bottom, making sure to remove all traces of soap. Use a wide-angle spray nozzle to cover larger areas quickly, and a narrow-angle nozzle for more stubborn stains. Maintain a safe distance from the surface to avoid causing any damage.
  6. Repeat if necessary: For heavily soiled or stubborn areas, you may need to repeat the process, applying detergent and rinsing until the desired results are achieved. However, be cautious about using too much detergent or excessive pressure, as it can cause damage to the surfaces.

By following these tips, you can effectively use detergent with a pressure washer when washing a house, ensuring a thorough and efficient cleaning process. Remember to always read and follow the instructions provided by the manufacturer for both the pressure washer and the detergent to ensure safe and effective operation.

10 Best Detergent For Washing House With Pressure Washer

WHOLESUN WS 3800 Electric Pressure Washer 3000PSI 2.65GPM Power Washer 1600W High Pressure Cleaner Machine with 4 Nozzles Foam Cannon for Cars, Homes, Driveways, Patios (Green)

as of June 28, 2024 12:35 pm


  • Yes, We had upgraded! The to increase the range of movement; - surface material to increase the durability of pressure hose; Upgrade to a for easy storage, and the 90-degree of the scroll to avoid leakage.
  • Effortless Cleaning Power: Blast away dirt and grime effortlessly with a robust 4000 PSI & 2.8GPM High-pressure washer, designed to make cleaning a breeze.
  • Versatile Performance: With four quick-connect nozzles that offer spray patterns ranging from 0º to 40º, this best pressure washer offers adjustable pressure settings for diverse cleaning tasks like driveways, vehicles, and patio furniture. The soap bottle attachment ensures a thorough clean by spreading rich and thick foam over a wide area, effectively loosening hard surfaces.
  • ️Quick connection: 4000PSI Residential pressure washer ensures reliable performance by combining a professional metal garden hose connector with a 22mm metal spout. The 33ft high-pressure hose comes with secure metal connections, saying goodbye to annoying water leaks.
  • Total stop system and GFCI: TSS system lets the wholesun electric power washer start up as soon as you squeeze the trigger and shut down as soon as you let go, you’ll never have to worry about pump damage from extended idling. We provide a 17 ft power cord with inline GFCI against the risk of electric shock.

Sun Joe SPX3000 14.5-Amp Electric High Pressure Washer, Cleans Cars/Fences/Patios

3 new from $179.00
Free shipping
as of June 28, 2024 12:35 pm


  • [ULTRA POWERFUL]: 13-Amp/2000-Watt motor generates 2030 PSI and 1.2 GPM to easily clean homes, buildings, RV’s, cars, trucks, boats, decks, driveways, patios, lawn equipment, and more!
  • HIGH PERFORMANCE: 5 Quick-Connect spray tips (0º, 15º, 25º, 40º and soap) tailor your spray from pinpoint jet to powerful fan with a convenient soap applicator to tackle light, medium, and heavy-duty cleaning tasks
  • SUPERIOR QUALITY: Built-to-last construction featuring a 34" stainless steel lance with solid brass fittings and all metal connections to prevent leaks and maximize performance; heavy-duty 20' high-pressure hose features rugged, high-tensile, wire-reinforced tubing over a smooth inner core to minimize pressure drop
  • VERSATILE: Two large capicity onboard detergent tanks carry and store different types of detergent for blasting away grime
  • EASY TO USE: Lightweight at only 24.3 lbs with rear wheels for easy portability around your yard

Pressure Washer 3800PSI Electric Pressure Washer 2.6GPM Power Washer 1900W High Power Washer Surface Cleaner Machine with Hose Reel & Detergent Tank & 4 Nozzles



  • 【2.0 Upgraded Version 3800PSI Pressure Washer】: It generated up 3800 PSI and 4.0 GMP of Water flow by 1900-watt upgrade motor.This Power washer greatly improve efficiency of cleaning stubborn stains and enhance 80% higher cleaning power than traditional washing way.
  • 【Quick Job】: 4 Quick-Connect spray tips (0º, 15º, 25º, 40º and soap) tackle light,medium and heavy duty cleaning tasks.0º - areas that are high and hard to reach; clean crevices in sidewalks or driveways; 15º- use on concrete, brick and other hard surfaces with stubborn stains; 25º- use on painted surfaces, wood siding, fences and lawn mowers;40º- use on windows and screens;soap- use to spray soaps and detergents.
  • 【Durable and Flexible Electric Washer】: Pressure washer protected by robust steel framing and abrasion-resistant materials for dependable cleaning. Meanwhile, it easy to assemble and storagebecause of the trigger gun and accessories can be stored directly on the device for economical storage in the available space.
  • 【Safety Mechanism】: Electric power washer equip safety automatic total stop system (TSS), which automatically shuts off the pump when trigger is not engaged to save energy and prolong pump life. Power cord with inline GFCI for safety use on all exterior outlets.
  • 【3-year warranty】It provide 3-year warranty service and you can get 7×24h online services. Our team would provide professional tech-support if you meet problems after purchase, place spare no effort to contact us.
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Twinkle Star 15" Pressure Washer Surface Cleaner with 3 Wheels, Stainless Steel Housing & 1/4" Quick Connector, Power Washer Attachment with 2 Extension Wand, 2 Replacement Nozzles, 4000 PSI

1 used from $113.99
Free shipping
as of June 28, 2024 12:35 pm


  • Professional 15'' Surface Cleaner: Twinkle Star offers a commercial-grade cleaning area of 15 inches wide. Hover action makes surfaces clean faster and more effective than nozzles alone. Ideal for cleaning stubborn stains on large flat surfaces such as patios, driveways, decks, sidewalks. Also suitable for vertical surfaces like brick walls, stucco, and other siding.
  • Pressure washer accessories include: 1 x 15-inch stainless steel surface cleaner, 1 x 15 extension wands, 2 x replacement nozzles, 4 x O-rings, 1 x thread seal tape, 1 x nozzle cleaner. Working pressure up to 4000 PSI. Required minimum pressure 2000 PSI, minimum flow rate 1.8 GPM, maximum flow rate 3.7 GPM.
  • More Effective: 15-inch power washer has dual-pressure water jets that spin rapidly, breaking up dirt and grime without streaking or striping surfaces. Cleans large surfaces up to 5x faster than a standard nozzle. Surface cleaners for gas and electric pressure cleaners can reduce cleaning time by up to 60% compared to conventional nozzles.
  • High Quality & Good Compatibility: Heavy-duty bearing and durable stainless steel construction for long-term use. A filter is built into the entrance to prevent impurity blockage. 1/4" Quick plug. Easy connection with included pressure washer surface cleaner lance or other 1/4" quick connect fitting. Compatible with most gasoline pressure washers.
  • Notes: DOESN'T FIT GARDEN HOSE OR WATER HOSE. The wand is 1/4" thread quick connect plug, if not suitable for the connector of your HIGH PRESSURE WASHER GUN, please purchase the adapter coupler connection separately.

PAXCESS Electric Pressure Washer 2150 PSI 1.6 GPM High Pressure Power Washer Surface Cleaner with All in One Adjustable Spray Nozzle Foam Cannon for Car, Home, Driveway, Patio

as of June 28, 2024 12:35 pm


  • [Power Pressure Washer]: Packed with a powerful 1800 Watt motor, our electric power washer for house and car delivers up to 2150 PSI of water pressure at 1.6 GPM of water flow. This electric power pressure washer will remove tar and grease from concrete, heavy mildew stains, oil stains, rust from steel, caked mud on equipment, and other stubborn gunk and grime, gain cleaning power in your hands easily.
  • [5 Clean Mode]: This electric power wash with 4 mental spray nozzles allows you to change the width of the spray you want. Our car pressure washer cleaner machine also has a detergent tank for easy soap application, which is more convenient and sufficient for various cleaning applications.
  • [Hose Hook & Convenient Wheels]: The portable high-pressure power washer has a hose hook to conveniently protect and store the 26ft high-pressure hose. Help prevent kinks in the high-pressure hose. Two durable wheels make our corded electric home power washer more easiest to maneuver.
  • [Total Stop System(TSS) With GFCI Plug]: The portable pressure washer machine features an automatic total stop system that switches the motor on and off when the lance trigger is operated or not, prolonging the motor life and reducing electricity consumption. 35ft electric cord with a GFCI circuit breaker allows you to use the power pressure washer safely with any exterior outlet.
  • [Easy to Assemble and Professional Support]: Certificated by CSA. This pressure washer car cleaner just needs to install with a few simple attachments, IPX5 waterproof, professional leak-proof connector guarantee you purchase a safe and well-built machine.

VEVOR Electric Pressure Washer, 2000 PSI, Max. 1.76 GPM Power Washer w/ 30 ft Hose, 5 Quick Connect Nozzles, Foam Cannon, Portable to Clean Patios, Cars, Fences, Driveways, ETL Listed

as of June 28, 2024 12:35 pm


  • 2000PSI High-pressure Washer: Built with a powerful 1500 W motor that generates a high water flow rate of up to 1.76 GPM. Hence, VEVOR’s electric pressure washer can completely clean up old paint, oil, weed, and other stubborn stains. Ideal for homes, RVs, patios, fences, decks, driveways, cars, lawn equipment, etc. Automatically stops working when temperatures reach over 105℃, ensuring ultimate security and consistent high quality performance. It is ETL certified.
  • Extended Hose & Leak-proof: A 30 ft hose allows for flexible cleaning in any large area. Our high-pressure washer adopts a sturdy metal water inlet and outlet to avoid water leakage, so you no longer have to worry about water spraying everywhere. Get ready to get every job started right.
  • Easy to Move & Install: Our power washer made of compact PP plastic features effortless transportation due to an ergonomic handle and 2 universal wheels. Also, just one person is needed to complete the assembly in minutes, which means you'll get your cleaning chore done faster and easier with less strain and fatigue.
  • Provide Security for You: Are you tired of your energy depleting rapidly? Well, get ready to run longer and better. Built-in TSS (Total Stop System) automatically shuts off the pump when the trigger is not engaged to save energy and prolong the service time of the electric power washer. A press-type security lock prevents the spray gun from being engaged accidentally. We recommend not using it for over 3 hrs at a time.
  • 5 Nozzles for Different Jobs:The pressure washer provides 5 quick-connect metal spray nozzles ( 0°/ 15°/ 25°/ 40°/ Turbo Nozzle ) and a 500 ml self-spraying detergent bottle for best suiting your different cleaning tasks. The water inlet filter makes the water nozzles spray smoothly without any blockage. Therefore, you do not need to change nozzles frequently, saving unnecessary expenses.

GDHXW X-887 High Pressure Washer Gun with Foam Cannon 2 Adapter 7 Pressure Washer Nozzles,for Car Washing

9 used from $24.56
Free shipping
as of June 28, 2024 12:35 pm


  • The pressure washer gun is 2nd generation product developed by GDHXW, with a maximum pressure of 5000 PSI and a new handle structure designed to reduce the burden on the arm when using the product.
  • Foam Lance core is made of quality brass.The main body is solid brass and is heavy Aperture: 1.1 mm.with 1/4" Quick Connector ,Capacity:0.22 Gallon(1L).There are (2) adjustment's that allow you to dial-in the sprayer for any situation: top dial is for foam dispensing amount and the nozzle adjusts the spray pattern (wide to narrow).
  • This product comes with 2 pressure washer hose adapter.(Comes with a 3/8 quick connect adapter and an M22-15mm conversion M22-14mm adapter) If your pressure washer hose connector is of other models and cannot be connected to your pressure washer hose, please purchase the adapter by yourself.
  • Nozzle has 7 different spray angle : Meet your need in different situations, such as watering flowers and plants,Car Washing, floors,Windows washing Driveways Roofs Siding washing, and can be attached to a quick-connect wand for swifter application.so on Ideal for enthusiast or professional use.
  • PLEASE NOTE: Foam cannon and pressure washer gun are accessories of pressure washer,The hose connected to the garden hose or ordinary water pipe and faucet cannot work properly,You must have a pressure washer to use it.
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Greenworks 1500 PSI 1.2 GPM Pressure Washer (Upright Hand-Carry) PWMA Certified

5 used from $87.29
Free shipping
as of June 28, 2024 12:35 pm


  • 1500 PSI : 1.2 GPM will blast through grime and dirt to restore your surfaces
  • VERSATILE : Can be used vertically or horizontally for greater stability
  • 20 FT PRESSURE HOSE : provides greater reach without sacrificing power
  • 35 FT POWER CORD : with inline GFCI for use on all exterior outlets
  • SOAP APPLICATOR : to apply soap to completely clean any surface. 2 nozzle tips and attachable detergent bottle to complete any job.

Sun Joe SPX2688-MAX Electric High Pressure Washer for Cleaning Your RV, Car, Patio, Fencing, Decking and More w/ Foam Cannon

2 new from $154.00
13 used from $115.50
Free shipping
as of June 28, 2024 12:35 pm


  • [POWERFUL]: 13-amp motor provides maximum cleaning power to strip away stubborn dirt, grease and grime.Rated Voltage : 120V ~ 60 Hz.
  • [ONBOARD]: 33.8 fl oz foam canon is the perfect accessory for cleaning stubborn stains
  • [TSS (Total Stop System)]: Automatically shuts off the pump and power when the trigger is not engaged to save energy and prolong pump life
  • [INCLUDES]: 34-inch extension wand, 20-foot high pressure hose, 35-foot power code with GFCI protection, garden hose adapter, needle clean-out tool
  • [3 QUICK CONNECT NOZZLES]: (0º, 15º, and 40º) tackle different cleaning projects

Toucan Auto EZ FOAMER Car Wash Kit! Spray Foam Cannon Pressure Washer Accessories for Garden Hose. Adjustable Mix Head, Car Foam Gun, Brass Hose Quick Connect, Crack-Proof Soap Bottle and Attachments

as of June 28, 2024 12:35 pm


  • ANY SOAP, ANY HOSE: With the Toucan EZ Foamer Car Cleaning Kit you can suds your car without the back-bending effort or paint scratches that comes with a dirty soap bucket, car wash brush, car wash sponge or mitt. And, for those without a pressure washer (or don’t want to drag it out) this canon connects to your regular garden hose and uses any car soap you choose! Now, THAT’S an EZ Foamer, for sure!
  • MORE AFFORDABLE: Choosing the right foam car washing supplies gets confusing. But as you can see, our only difference is price! Because, while you could pay an extra $20 just for a name, the EZ FOAMER with its solid brass fittings, crack-proof bottle and adjustable mixer is just as durable – if not MORE!
  • ADJUSTABLE MIXER: Sudsy thickness is created by your choice of car wash soap combined with mix ratio. So, fill the 32oz bottle with your desired car shampoo, and adjust the mixer to suit! You’ll save on detergent too! Ready to rinse? Just set it to ‘0’! There’s no need to disconnect or fuss around.
  • HIGH-SPEC FITTINGS: Strong rubber seals, brass fittings and a crack-proof container lid guarantee leak-proof car washing. And, you don’t need a power washer to create a POWERFUL foam blaster! The Rubber Grip EZ-Handle and Responsive Trigger are easy and fun to use. The kids will beg to wash your car!
  • WITH GARDEN ATTACHMENT! When you’re done detailing your car, you can still use your kit because you also get a nozzle to transform your foam sprayer into an EZ sprayer for watering, fertilizing and weeding! And everything comes with a 100% Replace or Refund Guarantee. Why not try it now, and make car washing EZ!


What type of detergent should I use when washing a house with a pressure washer?

It is recommended to use a detergent specifically designed for pressure washers. These detergents are formulated to be effective in removing dirt, grime, and stains from various surfaces without causing damage.

How much detergent should I use?

The amount of detergent to use will depend on the size of your house and how dirty the surfaces are. It is best to follow the instructions on the detergent bottle, as they will provide guidelines on the appropriate dilution ratio for your pressure washer.

Should I apply the detergent before or after using the pressure washer?

It is recommended to apply the detergent before using the pressure washer. This allows the detergent to have some time to penetrate and loosen the dirt and grime, making it easier to wash away with the pressure washer.

How do I apply the detergent with a pressure washer?

Most pressure washers have a detergent attachment or nozzle specifically for applying detergent. Simply fill the detergent container with the diluted detergent solution and attach it to your pressure washer. Follow the instructions provided with your pressure washer on how to properly apply the detergent.

Do I need to rinse off the detergent after washing the house?

Yes, it is important to rinse off the detergent after washing the house. Leaving the detergent on the surfaces can cause damage and may leave behind a residue. Rinse thoroughly with clean water to remove all traces of detergent.

How much detergent should I use with a pressure washer?

The amount of detergent you should use will depend on the size of your house and the level of dirt or grime you need to remove. As a general rule, it is recommended to start with a smaller amount and adjust as needed. Experiment with diluting the detergent with water to find the right balance for your cleaning needs.


In conclusion, using detergent with a pressure washer can be an effective way to clean a house. It is important to choose the right type of detergent for the specific surfaces being cleaned and to dilute it properly according to the manufacturer’s instructions. Preparing the surface by removing loose debris and spraying it with water before applying the detergent will help to ensure thorough cleaning. It is also important to let the detergent sit for a few minutes to allow it to penetrate and break down dirt and grime. Finally, rinsing the surface thoroughly with clean water will remove any remaining detergent and leave the house looking fresh and clean. By following these steps and using detergent with a pressure washer, homeowners can achieve professional-looking results and maintain the cleanliness of their home.