Walk into any home improvement store and you'll see 20+ cordless leaf blowers ranging from $99 entry-level handhelds to $500+ backpack units. Most "best of" lists rank them on star ratings without telling you what actually matters for your yard. The result: a lot of homeowners overspend on a blower that's too powerful — or underspend on one that can't move wet leaves.
This guide cuts through the marketing. We'll cover the five specs that actually matter, what CFM and MPH really mean (and which one you should care about more), and the Greenworks 80V model that hits the sweet spot for most Canadian homeowners.
CFM vs MPH — Which One Should You Care About?
Every leaf blower advertises two numbers — and most buyers don't know which one matters more. Here's the simple version:
- CFM (cubic feet per minute) measures volume — how much air the blower moves per minute. Higher CFM clears larger areas faster.
- MPH (miles per hour) measures speed — how fast the air exits the nozzle. Higher MPH moves heavier debris.
The short answer: CFM matters more for most homeowners. A blower with 700+ CFM can clear a quarter-acre yard in 15 minutes regardless of MPH. A blower with high MPH but low CFM moves a narrow stream of air fast — fine for blowing dust off a deck, useless for clearing a lawn full of wet leaves.
That said, MPH still matters when you're dealing with heavier debris — packed wet leaves, sticky maple keys, wet pine needles. The ideal combination: high CFM and high MPH. The Greenworks 80V at 770 CFM and 180 MPH hits both.
What "Best" Actually Means for a Cordless Leaf Blower
Five specs separate a great cordless blower from a mediocre one:
- CFM — air volume (see above)
- MPH — air speed (see above)
- Voltage and motor type — determines runtime, durability, and power under load
- Form factor — handheld vs. backpack
- Weight and ergonomics — what you'll actually feel after 30 minutes
Get those five right and you have the best cordless leaf blower for your yard. Get them wrong and you'll be back at the store next fall.
Match the Blower to Your Yard
| Yard Type | Recommended CFM | What You're Clearing |
|---|---|---|
| Townhouse / small patio | Under 400 CFM | Dust, light debris, garage cleanup |
| Standard suburban yard | 400–600 CFM | Regular leaf cleanup, grass clippings |
| ½ acre+ with mature trees | 600–800 CFM | Heavy fall leaf cleanup, wet debris |
| 1 acre+ or commercial | 800+ CFM (often backpack) | Continuous heavy work, large open spaces |
Most Canadian homeowners with mature trees in the fall do best in the 600–800 CFM range. That's enough power to move wet maple leaves and pine needles without bogging — the actual stress test for any blower.
Voltage and Motor Type
Higher voltage means more torque, longer runtime, and better performance under load. The tiers:
- 20V to 40V: Light-duty handhelds. Fine for small yards or dust cleanup. Will bog on wet leaves.
- 60V: Mid-range. Handles most residential leaf cleanup.
- 80V: Gas-equivalent power. Tackles anything a homeowner will encounter — including heavy fall cleanups with wet debris.
And always look for brushless motors. Brushless leaf blowers run cooler under load, deliver more torque per watt, last 2–3x longer than brushed motors, and operate more quietly.
Handheld vs Backpack — Which Format Is Right for You?
| Handheld Blower | Backpack Blower | |
|---|---|---|
| Best for | Most homeowners, under 1 acre | Large properties, long sessions |
| Weight feel | Held in one hand (~5–7 lbs) | Carried on shoulders (~15–22 lbs) |
| Power | Up to ~700 CFM range | Up to ~900 CFM range |
| Fatigue | Arm gets tired in 30+ minutes | Distributes weight across shoulders |
| Cost | $200–$500 | $400–$800 |
For most homeowners, a quality handheld with 700+ CFM is the right call. Backpack blowers earn their premium on properties over 1 acre or for users who'll spend 1+ hours per session.
The Best 80V Cordless Leaf Blower from Greenworks
For homeowners with a standard suburban to half-acre+ yard who want gas-equivalent power without the gas hassle, the Greenworks 80V 770 CFM 180 MPH Leaf Blower hits every spec that matters:
| Spec | Greenworks 80V 770 CFM Leaf Blower |
|---|---|
| Voltage | 80V brushless |
| Air volume | 770 CFM |
| Air speed | 180 MPH |
| Form factor | Handheld |
| Speed control | Variable speed trigger |
| Weight (tool only) | 5.95 lbs |
| Battery included | 4.0Ah 80V battery + charger |
| Warranty | 4-year tool + battery |
A few features worth highlighting:
770 CFM at 180 MPH is in the top tier for residential handhelds. Most "premium" cordless blowers in this price range deliver 600–650 CFM. The extra airflow is the difference between dragging through a fall leaf cleanup and finishing in half the time.
5.95 lbs tool-only weight. Most blowers in the 700+ CFM range weigh 7–9 lbs. The Greenworks 80V is unusually light for its airflow class — meaningful when you're holding it at arm's length for 20+ minutes.
Variable speed trigger. Single-speed blowers run at full power constantly — wasted battery and overkill for light work. Variable speed lets you back off the trigger for tight spaces around flower beds and floor it on open lawn.
80V battery cross-compatibility. The same 4.0Ah pack powers 75+ Greenworks 80V tools — mowers, trimmers, chainsaws, snow throwers, pressure washers. If you already own other 80V tools, the spare battery becomes immediate backup.
4-year warranty on tool and battery. One of the strongest coverage offers in the category.
FAQ
How long does a cordless leaf blower's battery last?
Depends on voltage, battery capacity, and how hard you push the trigger. The Greenworks 80V 770 CFM delivers up to 40 minutes of runtime on a 4.0Ah battery at moderate speed — less if you're running at full power continuously. Larger 8.0Ah packs roughly double that.
Can a cordless leaf blower handle wet leaves?
An 80V blower at 770 CFM can. Wet leaves require both volume (CFM) to move the mass and speed (MPH) to break them loose from where they've matted down. Lower-voltage blowers (under 60V) bog on wet leaves.
Is 770 CFM overkill for a small yard?
Possibly. For yards under 5,000 sq ft with light debris, a 400–500 CFM blower is enough. The 770 CFM range pays off on larger yards, heavy fall cleanups, or homeowners who also use the blower for driveways and patios.
Should I get a handheld or backpack leaf blower?
Handheld for most homeowners. Backpack is the upgrade for properties over 1 acre, sessions over an hour, or anyone with shoulder or back issues that make handheld weight uncomfortable.
Are 80V batteries interchangeable across Greenworks tools?
Yes. All 80V batteries work in all 80V tools — leaf blowers, mowers, string trimmers, chainsaws, snow throwers, pressure washers, and more. Voltages are not cross-compatible (a 60V battery won't run an 80V tool).
How does a battery leaf blower compare to gas on noise?
Significantly quieter. Battery leaf blowers typically run 65–75 decibels at the operator's ear. Gas blowers run 95–105 decibels. The difference is the gap between "loud conversation" and "needs hearing protection."
Clear Your Yard Without Gas
If you have a standard to half-acre suburban yard with mature trees and you want gas-equivalent power without the fumes, the Greenworks 80V 770 CFM 180 MPH Leaf Blower is built for that buyer. 770 CFM, 180 MPH, brushless motor, variable speed, 5.95 lb tool weight, and full integration with the Greenworks 80V battery ecosystem.
Keep reading:
- Battery Leaf Blower Buying Guide 2026 — A deeper look at how to pick the right cordless blower.
- Battery Leaf Blower vs Gas — 6 Reasons to Switch — Why battery now beats gas for most homeowners.
- Handheld vs Backpack Leaf Blower — Which Style Fits? — A deeper comparison of the two formats.
- One Battery System Saves You Money — The Greenworks Ecosystem — Why staying inside one battery platform saves Canadian homeowners hundreds.