The sensors work by sending a beam of light across the door.
Garage door opener comparison chart.
A 1 2 hp motor is sufficient for most single and double car garage doors and a 1 3 hp motor is an entry level model for single car and light weight double car doors.
Ratings ranging from 1 2 horsepower to 1 1 2 horsepower are typical for residential models.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
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These days almost all garage door openers come with these as default.
Look for horsepower hp ratings to compare the lifting power between garage door opener models.
There are three levels of horsepower found in most garage doors.
When doing your liftmaster garage door opener comparison make sure the model you select fits your needs including the height and weight of your garage door.
Finally you should consider a garage door opener that comes with sensors that prevent accidents by stopping operation if the sensor detects that there s an object in the way when opening or closing the garage door.