How much horsepower does the motor for my residential garage door opener need?

A ½ HP motor certainly enough for doors in the 8 ft. to 12 ft. (2.4 to 3.7 m) wide range. Use a ¾ HP motor for doors measuring over 14 ft. (4.3 m).

Keep in mind that an electric garage door opener is only meant to work as a substitute for human strength. Therefore, the door must be well-balanced at all times in order to maintain its dead weight at 8 to 10 lb. (3.5 to 4.5 kg).

Why not take a look at our maintenance guide for your garage door.

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