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Earthwise LSW70021 21-Inch Width Leaf & Grass Push vs Sun Joe 15-Inch Electric Powered Lawn Dethatcher

Updated July 2026 — Earthwise LSW70021 21-Inch Width Leaf & Grass Push wins on width and height, Sun Joe 15-Inch Electric Powered Lawn Dethatcher wins on motor power and cord length.

The Earthwise LSW70021 is a more budget-friendly option for light debris collection, while the Sun Joe dethatcher offers superior performance for lawn health.

Why Earthwise LSW70021 21-Inch Width Leaf & Grass Push is better

Price

Earthwise is $40 cheaper than Sun Joe

Weight

Earthwise is lighter and easier to handle

Simplicity

Earthwise is straightforward for quick cleanups

Why Sun Joe 15-Inch Electric Powered Lawn Dethatcher is better

Performance

Sun Joe effectively removes thatch and aerates the lawn

Collection

Sun Joe has a larger collection bag for more debris

Maneuverability

Sun Joe features easy-glide wheels for better navigation

Overall score

Earthwise LSW70021 21-Inch Width Leaf & Grass Push
75
Sun Joe 15-Inch Electric Powered Lawn Dethatcher
85

Specifications

SpecEarthwise LSW70021 21-Inch Width Leaf & Grass PushSun Joe 15-Inch Electric Powered Lawn Dethatcher
TypeSweeperDethatcher
Power SourceManualElectric
Collection BagMediumLarge
Adjustable HeightYesYes
User ComfortLowHigh

Dimension comparison

Earthwise LSW70021 21-Inch Width Leaf & Grass PushSun Joe 15-Inch Electric Powered Lawn Dethatcher

Overview of the Products

The Earthwise LSW70021 is a push lawn sweeper designed for efficiently collecting dry leaves and grass clippings, while the Sun Joe 15-Inch Electric Powered Lawn Dethatcher focuses on removing thatch and aerating lawns. At $129.99, the Earthwise sweeper is about 24% cheaper than the Sun Joe dethatcher, which retails for $169.99. Both products cater to different lawn care needs, making them suitable for various types of yard maintenance.

Intended Use

The Earthwise LSW70021 is specifically designed for collecting dry leaves and lightweight yard debris from flat, maintained lawns. It performs best on recently mowed grass and flat surfaces, requiring multiple passes to achieve optimal results. In contrast, the Sun Joe dethatcher is engineered to tackle tougher lawn challenges like thatch buildup. With its 13-amp motor, it effectively aerates the lawn, encouraging healthier grass growth. Each tool serves distinct purposes, making the choice dependent on the specific lawn care needs of the user.

Performance and Efficiency

When it comes to performance, the Earthwise sweeper excels in collecting debris efficiently when conditions are right, but it may struggle with wet leaves and uneven terrain. The sweeper's design necessitates that users adjust the brush height for effective performance, which can be a bit cumbersome. On the other hand, the Sun Joe dethatcher is equipped with a powerful motor that not only removes thatch but also aerates the lawn, promoting overall grass health. The customizable depth control with five positions allows users to tailor their approach for more efficient dethatching.

Collection Capacity

The Earthwise LSW70021 features a medium-capacity 2.6-bushel collection bag, which may require multiple dumps depending on the volume of debris being collected. While this bag is suitable for light yard debris, it might be limiting for larger properties. Conversely, the Sun Joe dethatcher boasts a large, removable collection bag designed to handle the substantial debris produced during thatch removal. This larger capacity allows for more extended usage between bag changes, making it more efficient for larger lawns.

Maneuverability

Maneuverability differs significantly between these two products. The Earthwise sweeper requires physical effort to push and may not navigate easily over uneven terrain or tall grass. In contrast, the Sun Joe dethatcher is designed with four durable, easy-glide wheels that enhance its maneuverability, reducing user fatigue during operation. This makes the dethatcher a more user-friendly option, especially for those with larger or more complex lawn layouts.

User Comfort

User comfort is a critical factor in lawn maintenance equipment. The Earthwise LSW70021's manual operation can lead to fatigue, especially on larger lawns, as it requires the user to push the sweeper across the yard. However, it is straightforward to use for quick cleanups. The Sun Joe dethatcher's design prioritizes comfort with its effortless maneuverability, allowing users to work for longer periods without discomfort. This is particularly advantageous for those who need to tackle extensive lawn areas or more challenging lawn conditions.

Price Comparison

At $129.99, the Earthwise LSW70021 is the more budget-friendly option compared to the Sun Joe dethatcher, which is priced at $169.99. This price difference of $40 represents about a 24% savings for those who choose the Earthwise model. However, the additional cost of the Sun Joe dethatcher may be justified for users looking for a more powerful tool that offers dual functionality as both a dethatcher and scarifier, ultimately benefiting lawn health over time.

Which should you buy?

Choosing between the Earthwise LSW70021 and the Sun Joe dethatcher ultimately depends on your lawn care needs. If you are looking for a cost-effective solution primarily for collecting dry leaves and light debris from a flat, maintained lawn, the Earthwise sweeper is an excellent choice. However, if your lawn requires more intensive care, particularly in removing thatch for healthier grass growth, the Sun Joe dethatcher offers superior performance and versatility, albeit at a higher price. Each product serves a unique purpose, so consider your specific lawn maintenance requirements when making a decision.