Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
Garage door opener comparison chart.
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.
Ratings ranging from 1 2 horsepower to 1 1 2 horsepower are typical for residential models.
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.
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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.
The sensors work by sending a beam of light across the 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.
There are three levels of horsepower found in most garage doors.