Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact vs Westinghouse Universal 16.5” Pressure Washer
Updated August 2026 — Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact wins on warranty and versatility, Westinghouse Universal 16.5” Pressure Washer wins on ease of use.
The Greenworks 1900 PSI offers a complete pressure washing solution with versatility, while the Westinghouse attachment excels in flat surface cleaning. Overall, the Greenworks is the better choice for most users.
Why Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact is better
Versatility
Greenworks can clean various surfaces effectively.
Warranty
Greenworks has a longer warranty period.
Ease of Use
Greenworks features a push-button start and multiple nozzles.
Why Westinghouse Universal 16.5” Pressure Washer is better
Price
Westinghouse is cheaper.
Cleaning Power
Westinghouse has a higher PSI rating.
Storage
Westinghouse is lightweight and easy to store.
Overall score
Specifications
| Spec | Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact | Westinghouse Universal 16.5” Pressure Washer |
|---|---|---|
| Power | 1900 PSI | 4400 PSI |
| Flow Rate | 1.2 GPM | N/A |
| Warranty | 3 years | 180 days |
| Type | Electric | Attachment |
| Nozzles | 3 included | N/A |
Dimension comparison
Overview of the Products
In this comparison, we will explore two pressure washers: the Greenworks 1900 PSI and the Westinghouse Universal 16.5” Pressure Washer Surface Cleaner Attachment. The Greenworks unit is priced at $127.99, while the Westinghouse attachment is offered at $89.99, making the latter about 30% cheaper. Despite being different types of products—one being a standalone electric pressure washer and the other an attachment for pressure washers—both aim to tackle outdoor cleaning tasks effectively.
Power and Performance
The Greenworks 1900 PSI boasts a maximum pressure of 1900 PSI and a flow rate of 1.2 GPM, making it a powerful option for residential use. It is designed to handle tough grime on surfaces like driveways and vehicles efficiently. On the other hand, the Westinghouse surface cleaner attachment supports up to 4400 PSI, significantly higher than the Greenworks unit, providing impressive performance for cleaning flat surfaces. However, this attachment requires a compatible pressure washer to achieve its full potential.
Durability and Build Quality
Durability is a crucial factor when considering outdoor equipment. The Greenworks 1900 PSI features a 13-amp motor and an axial cam pump, ensuring long-lasting performance. It is backed by a 3-year limited tool warranty, showcasing the manufacturer’s confidence in its product. Conversely, the Westinghouse attachment is made of durable stainless steel, designed for easy storage and capable of handling various surfaces. It comes with a 180-day limited warranty, which is shorter than that of the Greenworks unit, indicating differing levels of long-term support.
Ease of Use
When it comes to ease of use, the Greenworks 1900 PSI shines with its hassle-free push-button start and a 20-foot hose, making it user-friendly for all levels of experience. The inclusion of multiple nozzles enables users to quickly adapt to different cleaning tasks. The Westinghouse attachment features a 1/4" quick-connect fitting, allowing for seamless switching between attachments, which adds to its versatility but requires prior setup with a compatible pressure washer. Thus, while both products are easy to use in their own right, the Greenworks may provide a more straightforward experience for those who prefer an all-in-one solution.
Versatility
The Greenworks 1900 PSI is designed for various cleaning scenarios, from vehicles to patios, making it versatile for home use. It includes three specialized nozzles that cater to different cleaning needs, effectively covering a range of surfaces. Meanwhile, the Westinghouse attachment focuses on flat surfaces, such as decks and driveways, making it an excellent tool for specific tasks but less versatile overall. If you need a multi-functional tool, the Greenworks might be more appealing, while the Westinghouse excels in focused cleaning applications.
Portability and Storage
Portability is essential for outdoor tools, and the Greenworks 1900 PSI features a compact design with heavy-duty wheels, making it easy to transport between locations. Additionally, its design facilitates storage without taking up too much space. The Westinghouse attachment is lightweight and designed for easy storage as well, but it lacks its own mobility features since it is an accessory. Therefore, if mobility is a significant concern, the Greenworks unit is the more practical choice.
Price Comparison
The Greenworks 1900 PSI is priced at $127.99, while the Westinghouse attachment is available for $89.99. This price difference of $38 signifies that the Greenworks is about 42% more expensive than the Westinghouse product. However, considering that the Greenworks is a complete unit with its own motor and capabilities, buyers may find the price difference justifiable for the added convenience and functionality. For those on a tighter budget or who already own a pressure washer, the Westinghouse attachment offers a more economical cleaning solution.
Customer Popularity
The Greenworks 1900 PSI has a sales rank of 4195, indicating a moderate level of popularity among consumers. In contrast, the Westinghouse attachment has a better sales rank of 2643, suggesting that it is a more sought-after product in its category. This could imply that consumers are finding value in the surface cleaner attachment, possibly due to its effectiveness in tackling specific cleaning tasks.
Which should you buy?
Choosing between the Greenworks 1900 PSI and the Westinghouse Universal Surface Cleaner Attachment depends on your specific cleaning needs. If you require a standalone pressure washer with robust performance and versatility for various surfaces, the Greenworks 1900 PSI is a solid choice, despite its higher price. However, if you already own a compatible pressure washer and primarily need to clean flat surfaces efficiently, the Westinghouse attachment offers a more budget-friendly alternative with impressive PSI capabilities. Ultimately, consider your intended use, budget, and preference for standalone units versus attachments to make the best decision.

