Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
How many hp garage door opener for double door.
If the garage is the main entrance to your home or you have a one piece door or a heavy oversized garage door you ll probably need one with the lifting power of a 3 4 to 1 1 4 horsepower opener.
For example if you would like to lift a double garage door one might suggest using a 1 2 horsepower because the door is heavier and larger.
Johnson in 1926 garage openers didn t take off until the.
View all of the liftmaster garage door openers available.
If you have a sectional double car garage door a 1 2 horsepower motor should be sufficient but a higher power model will operate with less effort and less.
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Average weight double doors and heavier single doors work well with 1 2 horsepower openers.
Unbeknownst to many though these machines can pull a lot of electricity even when they are off.
Double garage doors are usually 16 x 8 and weigh in at between 150 210 pounds.
A 1 3 horsepower opener can handle most doors 10 feet wide by 8 feet tall made of lightweight material such as uninsulated steel.
Originally invented by c g.
Tell me more about garage door openers.
Many models can be adapted to 8 10 or 12 foot tall doors using extension rail kits but very tall 14 foot tall doors require specialty openers like the marantec rv8000 the liftmaster 3595 or the liftmaster 3800 jackshaft garage door opener which mounts on the front wall like a commercial opener.
Two car garages or one car garages with insulated or wooden doors need at least a 3 4 horsepower garage door opener.
Doors between eight and 12 feet in width are no problem.
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Garages with carriage doors should opt for 1 hp garage door openers or higher.
The horsepower needed for your garage door opener is dependent on whether or not you want a long lasting opener verses replacing it every few cycles or the size of the door.
Garage door size and frequency of use.
1 2 horsepower garage door openers work well with standard aluminum doors in a residential garage.
Ratings ranging from 1 2 horsepower to 1 1 2 horsepower are typical for residential models.
If you have a wooden or insulated double car garage door up to 16 feet wide and 8 feet tall you may want to move up to a 3.
We design and engineer residential garage door openers commercial door operators and gate entry systems.