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Whether you're replacing a garage-door opener or buying one for the first time, technology is on your side. The latest models we tested require less force to automatically stop and reverse the door if it touches a person or an object. New ones also have remote controls that thwart thieves by using constantly changing "rolling codes." Unlike older models, which entailed lengthy code setting, the latest do most or all of that setup for you. Once the door is down, it's automatically locked--a convenience over non-powered doors. Four we tested are especially quiet, a plus for light sleepers or homes where someone lives or works over a garage.
WHAT WE TESTED, WHAT WE ...