This time and labor saving machine was introduced in the 70’s to remove leaves, grass mulch and general debris from your driveways, sidewalks and your landscaping, and can even clean gutters and do a bit of light snow removal.
Blower-vac users were often leaving only the blower behind and removing the chemical dispensing parts from the device. It then created the possibility to improve their usage as a common maintenance tool for the garden. Blower-vacs can also efficiently remove dead leaves from awkward nooks and crannies. It probably saved labor work by significant amount. The blower-vac can switch to a vacuum mode to suck up leaves for mulching them With only a flip of a switch.
Some electric models are cordless, having a rechargeable battery to avoid the hassle of using an A/C outlet and messing with a cord. These models are incredibly stable and have enough power to move wet leaves and thick debris with ease. They’re also perfect for clearing lawn refuse from expansive surfaces like parking lots and driveways. Leaf blowers are favorites among homeowners because they can tuck all dead leaves into a big pile for the yard waste bin. Electric corded or gas powered blowers can be inconvenient sometimes.

Electric blower-vac supplies quite of power, they are 50% - 70% quieter than gas powered blowers and does not produce air pollution. If some gardener used electric leaf blower to vacuum up and mulch yard debris, it would prevent all the air pollution problems and significantly decrease the noise problem.
Most of the newer blower-vac models are rated up to 70 decibels at 50 feet at full throttle. And, unlike people for landscape maintenance, who need hearing protection because of exposing themselves long hours to sound coming from a machine only a few feet far from their ears, residents and homeowners can hear a leaf blower sound for only a few minutes a week at much biger distances.
Several factors have to be kept in mind while you are looking for a blower-vac:
1. volume (cubic feet)
2. weight
3. model
The volume will determine how many cubic feet the leaf blower can cover per minute. Some of the leaf vacuums can convert to shredders, mulchers, from blowers to vacuums or vice versa.
In any case first try any blower-vac before you purchase it and, while you do your work in the backyard, do wear the recommended safety gear for protection during leaves blowing.

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