The 800 cfm – 12-amp Electric Turbine Blower is, quite simply, the most powerful electric blower in the marketplace. Other 800 cfm (Cubic Feet per Minute) blowers don’t put out wind power at 135 mph. Physics shouldn’t allow it, but our engineers found a workaround. And even though you’re going to want to blow at that speed all the time, you can use the variable speed control to dial it down. When you need even more power than the 800 cfm/135 mph can provide, there’s the Hyper-Stream nozzle that focuses all the airflow right where you need it. Believe it or not, all that power can be controlled with one hand. The whole unit is only 6.6 lbs., and that amazing Turbine tech creates a wind tunnel that is easy to point. The cord retainer keeps extension cords from pulling apart, even on snags. And you don’t need any tools to put it together. Time to go clear that lawn.
Q: What is the maximum air speed of the blower?
A: The maximum air speed of the WG521 blower is 135 miles per hour.
Q: What is the weight of the blower?
A: The product weight is 6.65 pounds.
Q: Can the blower be assembled without tools?
A: This blower can be assembled without any tools.
Q: Does the blower come with a Hyper-Stream nozzle?
A: The Hyper-Stream nozzle focuses the blower's airflow where you need it.
Q: What is the length of the blower's cord?
A: The cord length of the blower is 11.5 feet.
Q: I received the blower and it did not have a extension cord was it suppose to come with 1 ?
A: Hello Candy. Thank you for your question. No, Worx does not produce extensions cords and they would need to be bought separately. Please refer to the cord sizing chart to ensure you are using the proper cord. Thank you for choosing Worx!
Q: What kind of extension cord do you need to buy for this? Is it a two prong or a three prong
A: It is a two prong plug however, it is imperative that you use a 14ga wire extension cord that is good for 15 amps. The blower draws 12 amps at 120VAC. If you use a very long 16ga wire cord you will suffer voltage loss which will increase the amperage and potentially burn up the motor prematurely.
Q: Does the hyper stream nozzle increase the mph?
A: Yes, but only slightly because the nozzle is not an attachment but part of the unit. It decreases the exit diameter less than one inch which does not sacrifice CFM.
Customers are delighted by the WG521 12 Amp 800 CFM Corded Blower's power, lightweight design, and overall performance. The multiple speeds, manageable noise level, and ease of use are also appreciated. The main drawbacks mentioned are the short cord length and somewhat bulky size.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

The 800 cfm – 12-amp Electric Turbine Blower is, quite simply, the most powerful electric blower in the marketplace. Other 800 cfm (Cubic Feet per Minute) blowers don’t put out wind power at 135 mph. Physics shouldn’t allow it, but our engineers found a workaround. And even though you’re going to want to blow at that speed all the time, you can use the variable speed control to dial it down. When you need even more power than the 800 cfm/135 mph can provide, there’s the Hyper-Stream nozzle that focuses all the airflow right where you need it. Believe it or not, all that power can be controlled with one hand. The whole unit is only 6.6 lbs., and that amazing Turbine tech creates a wind tunnel that is easy to point. The cord retainer keeps extension cords from pulling apart, even on snags. And you don’t need any tools to put it together. Time to go clear that lawn.

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Heavy, wet leaves and other stubborn debris are no match for the Greenworks 80V battery powered handheld leaf blower. The jet fan design provides up to 750 CFM of constant airflow for blasting through heavy, wet leaves and tough debris with ease; and a variable speed trigger delivers on-demand power and up to 170 MPH of high-velocity air speeds. It’s one of the most powerful battery-powered handheld blowers in the industry, with Greenworks exclusive Intelligent Power that combines Brushless motor technology, lithium-ion battery power, and ultra-fast control systems for power output equivalent to a 26cc gas-powered motor. Includes 2.5 Ah battery and rapid charger. Battery is compatible with 75+ Greenworks 80V products. Life. Powered. By Greenworks.
| Pros for WORX - WG521 12 Amp 800 CFM Corded Blower - Black | |||
|---|---|---|---|
| Power, Ease of use, Weight, Performance, Speed | There were no pros for this product— | There were no pros for this product— | Power, Ease of use, Overall Performance, Noise Level, Airflow |
| Cons for WORX - WG521 12 Amp 800 CFM Corded Blower - Black | |||
| Cord Length, Size | There were no cons for this product— | There were no cons for this product— | Battery Life, Weight |