So it is that time to think about replacing your older garage door opener. This time around you want to find a nice quality garage door opener that will last just as many years as your old one and keep your things and cars safe inside of your garage. So when searching for an automatic garage door opener there are a couple of things to keep in mind. How big is your door? How much does it weigh? Also, you need to look for one that will keep power even after the main power has gone out and also won’t open to any remote except your own.