10 Best Pressure Washer For Decking 2025 in the United States

The SIMPSON Cleaning ALH4240 Aluminum Series is a powerful gas pressure washer designed for professional use, making it an excellent choice for contractors who specialize in deck cleaning. With a robust 4200 PSI and 4.0 GPM, it delivers high performance to handle tough cleaning jobs effectively. The reliable HONDA GX390 engine ensures easy start-up and consistent power, which is a significant plus for frequent use. Additionally, the CAT Industrial triplex plunger pump provides durability and maintenance-free operation, making it reliable for heavy-duty tasks.

The inclusion of a 50-foot Monster hose that is kink- and abrasion-resistant offers good reach and flexibility during use without the hassle of frequent adjustments. The 13-inch pneumatic tires enhance portability, allowing the washer to maneuver over various terrains with ease. The product comes with five quick-connect nozzle tips, offering versatility in the types of spray, which is beneficial for different cleaning tasks.

However, at 124 pounds, it is quite heavy, which might be a drawback for users who need to transport it frequently without assistance. The aluminum frame provides durability and resistance to corrosion but may require careful handling to prevent dents or damages. The professional spray gun with a safety lock-out is a nice addition, ensuring safety during operation. If you're looking for a high-performance pressure washer for decking and professional cleaning services, the SIMPSON Cleaning ALH4240 is a strong contender, though its weight and the need for fuel may be considerations to keep in mind.

The Greenworks 2700 PSI Pressure Washer is a solid choice for homeowners looking to clean decks, patios, fences, and driveways without the hassle of gas engines. It delivers a maximum pressure of 2700 PSI and a flow rate up to 2.3 gallons per minute, which is strong enough to handle most residential cleaning tasks effectively. Its electric power source means it's quieter, easier to start with a push-button, and requires less maintenance than gas models. The pressure washer includes an innovative TruBrushless motor that adapts power based on the nozzle used, boosting cleaning efficiency, and a heavy-duty aluminum pump that offers robust performance comparable to gas-powered units.

With JETTFLOW technology, it provides up to 50% more water flow for quick rinsing and reaching higher or larger areas. The 25-foot hose offers reasonable reach around your yard, though it might require an extension for very large properties. At 47 pounds, it’s moderately portable but may feel a bit heavy for some users to move frequently. The package also comes with a foam cannon, which is helpful for applying soap evenly on surfaces like decking.

One downside is that while it covers a range of PSI and GPM for different nozzles, it may not match the raw power or mobility of gas washers for extremely tough stains or commercial use. This model suits residential users who want a reliable, easy-to-use electric pressure washer to keep outdoor surfaces clean without the noise and maintenance of gas engines.

The SIMPSON Cleaning CM61083 is a gas-powered pressure washer designed for residential tasks, making it a good option for cleaning decks. With a powerful 3400 PSI, it offers strong pressure that can efficiently remove dirt and grime from decking surfaces. The flow rate of 2.5 GPM complements this, providing effective cleaning without excessive water use. Its CRX engine is known for being reliable and easy to start, which is a plus for those looking for dependable performance without hassle.

This pressure washer comes with four quick-connect nozzle tips, including options for varied spray intensities and a soap nozzle, adding versatility for different cleaning tasks. Its 25-foot MorFlex hose is flexible and resistant to abrasions, though some may find the length slightly limiting for larger areas without moving the unit frequently.

Portability is enhanced by its 10-inch pneumatic wheels, which allow easy movement across different terrains, crucial for accessing all parts of a deck. At 61 pounds, it’s not overly heavy, although it might still require some effort to maneuver. The steel frame construction with a powder-coated finish ensures durability and resistance to corrosion, which is beneficial for long-term use.

If you’re looking for a powerful, robust pressure washer for decking and other residential surfaces, and don’t mind the maintenance that comes with a gas engine, the SIMPSON Cleaning CM61083 is a strong candidate. However, if portability or noise is a significant concern, you might want to explore other models with these factors in mind.