There are three levels of horsepower found in most garage doors.
Garage door opener for flat door.
1 3 will be able to lift a one car garage door 1 2 is best for dual car or sectional doors around 300 pounds and 3 4 up to 1 5.
This is a budget friendly choice that runs on a metal chain but is louder than other options.
If you re looking for a smart door opener go with the chamberlain b1381 belt drive garage door opener view at home depot.
The stealthdrive 750 belt drive garage door opener the stealthdrive 750 belt drive garage door opener is an ultra quiet garage door opener with a steel reinforced belt making it the ideal choice for homeowners where sound could be an issue.
The best overall garage door opener is the chamberlain wd832kev whisper belt drive garage door opener view at home depot which requires little maintenance and is easy to install.
Chamberlain 1 25 hp myq secure view and ultra bright smart belt drive garage door opener with myq and wi fi compatibility and battery back up and led light and camera s item 1630354 model b6765.
This garage door opener has a powerful dc motor with geniesense technology standard.
When operating the motor a chain or belt turns and pulls the trolley along the track.
Garage door openers work by using a trolley connected to an arm that attaches to the top of the garage door and slides back and forth on a track which opens and closes the garage door.