According to liftmaster the following is the recommended garage door opener horsepower by garage door weight.
How much hp needed for garage door opener.
For most garage doors a good quality highly rated 1 2 hp model is adequate.
Balance your garage door and take care of periodic maintenance.
Most garage door openers come in a range of 1 3 horsepower to 1 horsepower.
It is the cheapest of the three and least power.
One car garages with steel doors only need a 1 2 horsepower garage door opener.
Or horsepower.
For very heavy or tall garage doors look at a 3 4 hp or even a 1 hp model.
These and oversized doors over 14 feet in width require a 3 4 hp opener in order for the component to function long term.
This size opener is the most popular out of the three and is recommended for single or double garage doors with average weight ex.
Oversized large and heavy doors will need an opener with horsepower ex.
Ratings ranging from 1 2 horsepower to 1 1 2 horsepower are typical for residential models.
Up to 150 pounds.
Heavier or one piece doors may require higher horsepower openers.
While you may be able to get away with a smaller size garage door opener for a while the horsepower model will last longer and allow you to get much more use out of your garage door than a smaller model.
It is the second cheapest of the three with medium power.
Certain garage doors like those made out of wood can be extremely heavy.
These doors don t need too much power to open so you can buy a garage door opener that s around 1 3 horsepower as this will be more than enough to lift it.
Again this opener will only be efficient when the door is properly balanced and an opener with more horsepower will last longer.
While it s the most expensive option it s also long lasting and durable with the maximum amount of power.
The price difference is usually only 50 to 100 depending on the brand.
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 wear and tear on the motor.
Up to 350 pounds.
The average garage door is around 8 x10 in size.
Liftmaster does have weight ratings for their garage doors that we can use as a guideline.
How much horsepower does a garage door opener need.