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Greenworks 12" Surface Cleaner Pressure Washer Attachment vs WattFlo Pressure Washer, Power Washer with 500ml Foam

Updated August 2026 — Greenworks 12" Surface Cleaner Pressure Washer Attachment wins on warranty and price, WattFlo Pressure Washer, Power Washer with 500ml Foam wins on cleaning power and ease of use.

The Greenworks 12" Surface Cleaner is a budget-friendly option ideal for surface cleaning, while the WattFlo Pressure Washer offers powerful versatility for various tasks.

Why Greenworks 12" Surface Cleaner Pressure Washer Attachment is better

Price

Greenworks is significantly cheaper at $26.99.

Warranty

Greenworks offers a 3-year warranty.

Brand Reputation

Greenworks has a solid standing in the tools market.

Why WattFlo Pressure Washer, Power Washer with 500ml Foam is better

Cleaning Power

WattFlo has a powerful 2.5 GPM flow rate.

Versatility

WattFlo includes four quick-connect nozzles.

Ease of Use

WattFlo features a compact design with extended reach.

Overall score

Greenworks 12" Surface Cleaner Pressure Washer Attachment
70
WattFlo Pressure Washer, Power Washer with 500ml Foam
85

Specifications

SpecGreenworks 12" Surface Cleaner Pressure Washer AttachmentWattFlo Pressure Washer, Power Washer with 500ml Foam
Current Price$26.99$89.99
Flow RateN/A2.5 GPM
Nozzles14
Warranty3 yearsN/A
Sales Rank236612937

Dimension comparison

Greenworks 12" Surface Cleaner Pressure Washer AttachmentWattFlo Pressure Washer, Power Washer with 500ml Foam

Price Comparison

When considering price, the Greenworks 12" Surface Cleaner is significantly cheaper, priced at $26.99, compared to the WattFlo Pressure Washer at $89.99. This difference of $63, or about 233%, makes the Greenworks option particularly appealing for those on a tighter budget. The price of the Greenworks product has averaged $32.65 over the past 90 days, suggesting that its current price is competitive. In contrast, the WattFlo Pressure Washer has also shown some price consistency, with its average over 90 days at $91.61. If you’re looking for a cost-effective solution for cleaning surfaces, the Greenworks cleaner is the clear winner in this category.

Cleaning Power

The WattFlo Pressure Washer boasts a powerful maximum flow rate of 2.5 gallons per minute (GPM), providing efficient cleaning for tough tasks like removing mud from driveways or washing multiple cars. This high flow rate is particularly advantageous for larger cleaning jobs, making it suitable for users who require significant cleaning power. On the other hand, the Greenworks 12" Surface Cleaner is designed for effective surface cleaning with a 12-inch cleaning width, making it ideal for driveways, sidewalks, patios, and decks. While it may not have a GPM rating, its design allows for comprehensive coverage, especially in residential settings. For sheer cleaning power, the WattFlo is the superior option.

Versatility

In terms of versatility, the WattFlo Pressure Washer excels with its four quick-connect nozzles, providing users with the flexibility to tackle a range of surfaces and cleaning tasks. This feature allows for quick adjustments, making it suitable for everything from stubborn stains to gentle washing of cars. Conversely, the Greenworks cleaner is compatible with most pressure washers through its 1/4-inch quick connect, allowing it to be used with various systems. However, it lacks the multiple nozzle options offered by WattFlo. Therefore, for those seeking a multi-functional cleaning tool, the WattFlo Pressure Washer offers greater adaptability.

Warranty and Durability

The Greenworks 12" Surface Cleaner comes with a 3-year warranty, offering peace of mind for buyers and ensuring support for potential issues. On the other hand, there is no warranty information available for the WattFlo Pressure Washer, which may leave potential buyers feeling uncertain about their investment. The extended warranty of the Greenworks product signifies the brand's confidence in its durability and quality, making it a safer choice for those concerned about long-term use. In this aspect, the Greenworks option stands out as the more reliable choice.

Ease of Use

The WattFlo Pressure Washer features a compact design with a 23-foot pressure hose and a 16.5-foot power cord, allowing users to move freely around their cleaning area without constant repositioning. This feature enhances convenience, especially when tackling larger areas. The onboard storage for nozzles and foam cannon adds to the user-friendly design. In contrast, the Greenworks Surface Cleaner is simpler, designed to attach to existing pressure washers, and may not offer the same level of mobility or ease of use. For those prioritizing user experience, the WattFlo's design is more accommodating.

Ideal Use Cases

The Greenworks 12" Surface Cleaner is specifically tailored for surface cleaning, making it perfect for homeowners who frequently clean driveways, patios, and decks. Its design focuses on efficient cleaning of flat surfaces, making it an excellent addition to any homeowner’s cleaning toolkit. Conversely, the WattFlo Pressure Washer is more versatile, suitable for a variety of tasks including car washing, driveway cleaning, and even paint stripping. The inclusion of a foam cannon enhances its appeal for car detailing enthusiasts. Depending on your primary cleaning needs, each product serves a different niche within the cleaning market.

Brand Reputation and Sales Rank

In terms of brand reputation, Greenworks has a solid standing in the tools market, and the 12" Surface Cleaner holds a bestseller rank of 2366, indicating steady sales and customer interest. However, the WattFlo Pressure Washer, with its sales rank of 12937, may not be as popular among consumers. This difference could reflect varying levels of customer satisfaction and brand loyalty. If brand reputation and sales rank are important to you, the Greenworks product may be the more trusted choice.

Which should you buy?

Ultimately, the decision between the Greenworks 12" Surface Cleaner and the WattFlo Pressure Washer depends on your specific cleaning needs. If you are looking for a budget-friendly option that excels at surface cleaning with a solid warranty, the Greenworks cleaner is the better choice at $26.99. However, if you require powerful cleaning capabilities and versatility for various tasks, the WattFlo Pressure Washer, though more expensive at $89.99, offers features that justify its price. Consider your cleaning tasks and budget to determine which product best fits your needs.