Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric vs WattFlo Pressure Washer, Power Washer with 500ml Foam
Updated August 2026 — Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric wins on weight and length, WattFlo Pressure Washer, Power Washer with 500ml Foam wins on hose length and cord length.
Greenworks offers higher pressure and better portability, while WattFlo provides excellent value with a foam cannon and lower price.
Why Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric is better
Power
Higher PSI rating for intense cleaning
Portability
Features wheels and telescoping handle
Brand Trust
Higher bestseller rank indicates consumer trust
Why WattFlo Pressure Washer, Power Washer with 500ml Foam is better
Price
Significantly lower price point
Foam Cannon
Includes a foam cannon for car detailing
Flow Rate
Higher GPM for efficient cleaning
Overall score
Specifications
| Spec | Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric | WattFlo Pressure Washer, Power Washer with 500ml Foam |
|---|---|---|
| Max PSI | 2100 | N/A |
| GPM | 1.2 | 2.5 |
| Motor | 13 Amp | N/A |
| Foam Cannon | Yes | Yes |
| Nozzles | 4 | 4 |
Dimension comparison
Power and Performance
When it comes to power and performance, the Greenworks 2100 PSI offers a maximum pressure of 2100 PSI at 1.2 gallons per minute (GPM), while the WattFlo Pressure Washer boasts a higher flow rate of 2.5 GPM but does not provide a PSI rating. This means Greenworks provides a more intense water pressure ideal for medium-duty cleaning, whereas WattFlo delivers a larger volume of water that may improve cleaning efficiency over larger surfaces. The Greenworks uses a 13 Amp universal motor, designed for effective cleaning on residential tasks, while WattFlo emphasizes its 2.5 GPM flow to tackle tough jobs like washing multiple cars or stripping paint. In summary, Greenworks prioritizes pressure strength, whereas WattFlo focuses on water volume for efficient coverage.
Features and Accessories
In terms of features, the Greenworks 2100 PSI comes with a soap applicator and a set of metal quick-connect wands including 25°, 40°, soap, and turbo nozzles. This variety gives users flexibility for different cleaning tasks, from delicate surfaces to stubborn grime removal. The WattFlo Pressure Washer also includes four quick-connect nozzles—0°, 15°, 25°, and 40°—covering a wide range of angles for versatile cleaning, plus a 500ml foam cannon for thick foam application, which is especially useful for car detailing. WattFlo’s foam cannon adds value for car enthusiasts who want a gentle yet effective wash. Both units offer quick-connect nozzles, but WattFlo’s inclusion of a foam cannon distinguishes it for automotive care.
Design and Portability
The Greenworks 2100 PSI is designed with convenience in mind, featuring a telescoping handle, internal storage for its wand and nozzles, wheels, and multiple grab points for easy transport. Its ability to be stored vertically or horizontally adds to its space-saving appeal. The WattFlo Pressure Washer features a compact design with onboard storage for nozzles and foam cannon, a 23-foot pressure hose, and a 16.5-foot power cord for extended reach during cleaning. WattFlo’s bright green finish makes it easy to spot in any workspace. While both offer portability and storage solutions, Greenworks provides more ergonomic transport features like wheels and multiple grab points, which may be better for users needing to move the unit frequently.
Usability and Operation
Both pressure washers are electric-powered and plug into standard outlets, eliminating the need for batteries. Greenworks highlights a push-button start system, promising quick and reliable power-up for immediate use. WattFlo emphasizes no battery downtime with a continuous power supply via a 16.5-foot cord, giving users freedom to move around without interruption. WattFlo’s longer pressure hose (23 feet) also enhances mobility during operation, reducing the need to reposition the unit often. Overall, Greenworks offers straightforward startup convenience, while WattFlo’s extended hose and power cord provide greater operational reach.
Cleaning Applications
Greenworks 2100 PSI is marketed as a multi-use tool suitable for cleaning cars, decks, siding, sidewalks, boats, outdoor furniture, driveways, patios, and areas around pools. The inclusion of a soap applicator and various nozzles supports these diverse applications. WattFlo focuses on high-pressure cleaning for car washing, driveways, patios, and decks, with the added benefit of a foam cannon for detailed car care. WattFlo’s nozzles cover everything from stubborn stains at 0° to gentle washing at 40°, making it versatile for surfaces requiring different pressure intensities. Both units are well-suited for residential cleaning, but WattFlo’s foam cannon adds a professional touch for automotive enthusiasts.
Price and Value
Price is a significant differentiator between these two models. The Greenworks 2100 PSI is priced at $164.83, while the WattFlo Pressure Washer is offered at $89.99, making WattFlo about 45% less expensive. Despite its lower price, WattFlo still provides a competitive set of features such as a foam cannon and four quick-connect nozzles. Greenworks, while nearly twice the price, offers a slightly higher PSI rating, a robust motor, and enhanced portability features like wheels and a telescoping handle. Customers prioritizing budget will find WattFlo exceptional value, while those needing higher pressure and more ergonomic design might prefer Greenworks.
Popularity and Customer Appeal
Greenworks 2100 PSI holds a better bestseller rank at 10,028 compared to WattFlo’s rank of 12,937, indicating higher sales and possibly greater consumer trust or brand recognition. This suggests that Greenworks’ reputation and features resonate well with buyers in the pressure washer category. WattFlo, as a less expensive option with strong features like the foam cannon, appeals to budget-conscious consumers or those focused on car detailing. Both products have carved out niches in the market, but Greenworks’ higher rank reflects a stronger foothold in residential power washers.
Which should you buy?
Choosing between Greenworks 2100 PSI and WattFlo Pressure Washer depends largely on your cleaning needs and budget. If you require higher pressure for medium-duty jobs, enhanced portability with wheels and a telescoping handle, and a trusted brand with a higher sales rank, Greenworks at $164.83 is the better option. It excels in power and versatile cleaning accessories, making it suitable for a wide range of outdoor tasks. On the other hand, if budget is a key concern and you want a pressure washer with a higher water flow rate, a useful foam cannon for car detailing, and extensive nozzle options at nearly half the price ($89.99), WattFlo offers excellent value. Its longer hose and power cord also provide operational flexibility. Ultimately, Greenworks is ideal for those prioritizing power and convenience, while WattFlo suits users looking for affordability combined with strong features for car and patio cleaning.

