A garage opener is an entry point. If Dad cannot get through the front door, or his remote is sitting in the car, the garage is often the route that gets you both inside. Before the installer arrives, decide what the opener has to do: work reliably for the people who use it, stop safely when something is in the door path, and let someone out when the power fails. Those are three separate tests, and most installs only check the first one.

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Before the Install

Ask the installer to confirm three things in writing before parts are ordered: the door type and spring style, the headroom above the track, and whether the wall or ceiling where the motor mounts can hold the bracket. A quote that says opener included, with none of those checks named, is only a price for a motor.

Ask which mounting kit and rail length they plan to use, and whether the work includes removing the old opener or only disconnecting it. Ask whether your city or county requires a permit for the replacement, and get that answer in writing from the installer rather than relying on memory.

Install Day: Check the Reversal

A modern opener should reverse when the door meets resistance on the way down. Ask the crew to show you the test before they leave. Lay a 2-by-4 flat on the floor under the closing door, then close the door from the wall button. The door should stop and go back up. Next, block one of the photo eyes, the two small sensors near the floor on each side of the opening, and confirm the door will not close. Ask them to confirm the sensor height matches the manufacturer's manual and that both sensors are aligned.

The Manual Release

Find the release cord, the red handle hanging from the trolley on the opener rail. Have the installer pull it with the door closed, then lift the door by hand and show you how it moves. Ask them to show you how to reconnect the opener afterward. Do not let anyone adjust the springs as part of this check. Spring work belongs to a trained technician under a separate job, and it should be named in the paperwork if it is needed.

Check whether Dad can reach the release cord from where he normally stands. If he would have to bend, stretch, or reach over a car to use it, the release is not usable for him, and that needs to be fixed before the crew leaves.

Remotes, Keypads, and the Code Log

Old remotes keep working until they are erased. Ask the installer to clear every previously programmed code, then count what is left: each remote you hand out, the keypad code, and any phone app access. Write each one down with its holder. If a neighbor or a family member needs entry, give them their own remote rather than sharing Dad's, so a lost remote can be erased without changing everyone's access.

Power Out

Ask what happens when the power fails. Some openers have battery backup and some do not. Confirm that the people door next to the garage unlocks from the inside without a key. If the only way out of the garage during an outage is the large door, and the large door cannot be lifted by hand safely, the install is not finished.

Before the Final Signature

Ask for the manual, the registration or warranty card, the model and serial numbers, and the name of the company that will answer the phone when something fails. Ask whether reversal or sensor adjustments are covered under the warranty, and get the answer in writing. Ask the installer to note the results on the invoice: reversal passed, photo eyes passed, release passed, old codes cleared.

Next move: before the crew packs up, run the 2-by-4 test yourself while they watch, then write the code log on paper and keep it with the house keys. If you need a local installer or service company to call, start with Local Help in St. Louis, and if Dad still says no to the crew arriving, Start Here lays out the order to work in.