We took our garage door opener for granted until it stopped working and we had to raise and lower the heavy door manually instead of a simple click of the opener. Once a luxury, this device is now a necessity that provides the security of being able to remain in the car to operate it. Choose one that is designed to operate with emergency battery power in case of a power outage, and to be opened or closed manually in case of an emergency.

For $378, which includes the labor and material, a garage door installation service will replace an electric garage door opener in a typical two-car garage. You'll find the units are sold online and at home centers and hardware stores. If you're a handy homeowner, you can replace an old unit with a new one for $210 and save 44 percent. You'll need basic carpentry and electrical tools, including screwdrivers, a hammer, an adjustable wrench, a socket wrench, a tape measure, a drill driver, a hack saw, pliers, a wire stripper and a carpenter's level. You'll also need a ladder, and it's useful to have a helper with a ladder.

The job involves several steps: identifying the components of the opener and assembling it; attaching the door hardware; installing the power unit on the ceiling of the garage; and connecting it to an electrical outlet. Plan on spending the better part of a day to complete the installation.

To find more DIY project costs and to post comments and questions, visit www.diyornot.com on your laptop, tablet or smartphone.

Pro Cost -- DIY Cost -- Pro time -- DIY Time -- DIY Savings -- Percent Saved

$378 -- $210 -- 4.7 -- 6.0 -- $168 -- 44 Percent

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