When comparing the chain drive garage door opener and the belt drive system you will notice that the belt drive is much quieter.
Garage door opener belt versus chain.
Chain drive openers are popular in industrial settings.
The noise from the chain drive which is made from the gearing motor and metal to metal contact leaves this type of opener at a disadvantage.
The chains used on residential garage door openers typically have higher tensile strength and greater lifting capacity than belts.
Chain drives run a little slower because the chain bounces as it moves along the rail.
Large heavy or wood doors often require the installation of a chain drive garage door opener.
Being smoother belt drives tend to run faster than chain type openers.
Belt drives are strong enough for average home needs but chain drives can do the truly heavy lifting.
Other installation features are similar to that of belts the chain is joined with an adjustable clip and driven by a sprocket on top of the motor.
This garage door opener works by moving gears and metal parts together.
It uses a chain running assembly unit attached to tension springs that lift the garage door up and down.
Garage door openers with a belt drive system are newer in technology and use a rubber belt along the moving track to open and close the door.
They also may last longer in certain applications.
Since it replaces the metallic chain for raising and lowering the garage door it is relatively silent smooth and vibration free.