Power Means Little
A properly adjusted residential garage door requires very little power to operate since the springs which come with the door do most of the work. There's no need to purchase the largest model available just because you have a large door.
Power it Up
Though a third- or half-horsepower opener will lift a two-car sized door, going with the smaller openers will make the electric motors work harder and decrease their working life. The larger, 3/4- or 1-horsepower openers may give longer service and be cheaper over time.
Most garage door openers will work with a properly adjusted two-car garage door. If initial expense is more important, go with a third- or half-horsepower opener. Other things to consider is whether you want a belt-drive, chain-drive or gear-drive opener and the length and coverage of warranties.
- Photo Credit brown and white house image by Stephen Orsillo from Fotolia.com
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