The main difference between garage door opener models is how the motor moves the trolley.
2 vs 3 garage door.
Standard garage door openers have a similar design.
It sandwiches a layer of insulation between two pieces of steel wood or fiberglass.
The three horsepowers suitable for residential garage door openers are 1 3 1 2 and 3 4 hp garage door openers.
These 3 layer doors have a steel layer on the outside insulation in the center and a steel layer on the inside thus the 3 layer designation.
It handles lightweight single garage doors without being too powerful and capable of lifting heavy garage doors with no problem.
Garage door corporation tries to educate its customers as to why a 3 layer insulated garage door is the better alternative for this application.
The gold standard of garage doors is the triple layer.
The trolley is connected to the garage door and as the trolley moves it pulls the door open or pushes it closed.
1 2 hp openers have proven to be the more versatile option of them all.
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.
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.
Steel back garage door colors sizes and prices 1 3 8 and 2 thickness.
If the garage is unheated with no living are above the.