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Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric vs Westinghouse Universal 16.5” Pressure Washer

Updated August 2026 — Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric wins on height and weight, Westinghouse Universal 16.5” Pressure Washer wins on cleaning area and width.

The Greenworks 2100 PSI is a versatile standalone pressure washer, while the Westinghouse attachment excels in professional-level cleaning for flat surfaces. Choose based on your specific needs.

Why Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric is better

Power

2100 PSI for medium-duty tasks

Versatility

Includes multiple nozzles and soap applicator

Design

Compact with telescoping handle for easy storage

Why Westinghouse Universal 16.5” Pressure Washer is better

Pressure

4400 PSI for tougher jobs

Price

Lower cost at $89.99

Compatibility

Works with most gas and electric washers

Overall score

Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric
85
Westinghouse Universal 16.5” Pressure Washer
75

Specifications

SpecGreenworks 2100 PSI 1.2 GPM 13Amp Compact ElectricWestinghouse Universal 16.5” Pressure Washer
Max PSI21004400
Flow Rate1.2 GPMN/A
Power SourceElectricGas/Electric
Nozzles Included40
WarrantyN/A180 days

Dimension comparison

Greenworks 2100 PSI 1.2 GPM 13Amp Compact ElectricWestinghouse Universal 16.5” Pressure Washer

Introduction to Pressure Washers

When it comes to outdoor cleaning, pressure washers are essential tools that can make the task quicker and easier. In this comparison, we will look at the Greenworks 2100 PSI and the Westinghouse Universal 16.5” Pressure Washer Surface Cleaner Attachment. While the Greenworks model functions as a standalone pressure washer, the Westinghouse product serves as an attachment designed to enhance the cleaning power of existing pressure washers. Understanding their differences will help you determine which product best suits your needs.

Power and Performance

The Greenworks 2100 PSI is a powerful electric pressure washer that delivers a maximum pressure of 2100 PSI at a flow rate of 1.2 GPM. This makes it suitable for medium-duty cleaning tasks, like washing cars and driveways. In contrast, the Westinghouse surface cleaner attachment boasts a much higher maximum pressure of 4400 PSI, allowing it to tackle tougher jobs on flat surfaces like patios and decks. The substantial difference in pressure means that while the Greenworks is versatile for everyday tasks, the Westinghouse attachment excels in professional-level cleaning performance.

Design and Usability

The Greenworks model features a compact design with a telescoping handle for easy maneuverability and storage. It also includes convenient internal storage for its accessories, which helps keep everything organized. On the other hand, the Westinghouse attachment is designed for simple installation with a 1/4" quick-connect fitting, making it compatible with most gas and electric pressure washers. While the Greenworks is a complete unit, the Westinghouse provides flexibility by enabling users to enhance their existing pressure washer’s capabilities.

Cleaning Versatility

The Greenworks 2100 PSI comes with several nozzles and a soap applicator, allowing users to switch between different cleaning tasks effortlessly. This makes it ideal for a variety of applications, from washing vehicles to cleaning outdoor furniture. Conversely, the Westinghouse surface cleaner attachment is specifically designed for large flat surfaces, making it an excellent choice for homeowners looking to clean patios or driveways effectively. Though both products serve unique purposes, the versatility of the Greenworks makes it a more comprehensive solution for various cleaning needs.

Price Comparison

The Greenworks 2100 PSI is priced at $164.83, while the Westinghouse attachment is available for $89.99. This means the Westinghouse is about 45% cheaper than the Greenworks, which could be a significant factor for budget-conscious consumers. However, it's essential to consider that the Greenworks is a complete pressure washer, whereas the Westinghouse is an attachment. Depending on your needs, this price difference could reflect the value you expect from either product.

Sales Rank and Popularity

The Greenworks 2100 PSI has a sales rank of 10,028, indicating that it is relatively popular among consumers looking for a reliable electric pressure washer. In comparison, the Westinghouse surface cleaner attachment has a much better sales rank of 2,643, suggesting that it has gained significant traction among users seeking effective cleaning solutions. This difference in popularity may reflect the attachment's effectiveness in enhancing existing pressure washing capabilities, making it a preferred choice for many.

Customer Experience

The Greenworks 2100 PSI features a push-button start, which enhances user experience by making it easy to power on for immediate cleaning. Additionally, it is designed for easy transport with multiple grab points and wheels. On the other hand, the Westinghouse attachment is user-friendly, allowing both professionals and homeowners to tackle various cleaning tasks with minimal effort. While both products have their unique advantages, the ease of use in the Greenworks model may appeal to those who prefer a straightforward cleaning solution.

Which should you buy?

Choosing between the Greenworks 2100 PSI and the Westinghouse Universal 16.5” Pressure Washer Surface Cleaner Attachment ultimately depends on your specific cleaning needs. If you require a versatile, standalone pressure washer for a range of tasks, the Greenworks model is the better choice for its power and convenience. However, if you already own a compatible pressure washer and seek to enhance its performance, the Westinghouse attachment offers robust cleaning power at a lower price point. Consider your current equipment, budget, and cleaning requirements to make the best decision for your home.