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Indianapolis Garage Door Experts

Garage Door Tune-Up Packages from Indianapolis Garage Door Experts (Up to 80% Off)

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Up to 80% Off
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Highlights

Technicians inspect garage doors and ensure both safety and functionality by lubricating door tracks and adjusting loose nuts and bolts

Customer Reviews

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Relevant Reviews
T
Tina
6 ratings3 reviews
December 7, 2019
On time great work and so very friendly Would use again!
Z
ZAHIR
2 ratings2 reviews
November 22, 2019
On time i will use them again
V
VictoriaTOP REVIEWER
7 ratings6 reviews
November 6, 2019
Very Professional. Awesome work. Thanks so much. I will be using again.
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What You'll Get

Choose Between Two Options

  • $29 for a garage door tune-up and safety inspection ($149 value)
  • $89 for a garage door tune-up, inspection, and nylon roller replacement ($200 value)

Garage-Door Openers: Signaling Security

Learn a little about the technology inside the little remote in your car with Groupon’s examination of garage-door openers.

In 2012, garage doors throughout southeastern Connecticut mysteriously seized up. The culprit? A military submarine base.

Annoying as it may have been, there was nothing sinister behind this pattern. Rather, it was simply a side effect of the way all remote-entry garage-door systems are designed. Each time you open or close a garage door, the remote and the receiver inside have a brief conversation in code—a conversation that happens to be conducted via radio signals over the airwaves. The unfortunate homeowners in Connecticut eventually learned that the signal emitted from the submarine base’s radio-communication system shared a frequency with their garage-door systems, and the more powerful military signal drowned out the information their remotes were trying to transmit.

The codes transmitted by garage-door remotes have gotten far more complex over time. As early as the 1960s, burglars learned to use radio scanners or “code grabbers” to pick up the code when the homeowner used it to open the door; they could then re-transmit the code to gain entry themselves. In response, most remotes today use rolling codes that can generate billions of combinations.

This is possible because each time a message is sent between remote and receiver, each part of the system also selects and stores a new code. Those codes will always be in sync because each has been programmed with the same pseudo-random number generator—that is, a formula that produces a sequence of numbers that would appear random to anyone not possessing the formula. (Beware, however: it is possible to desynchronize the system by pressing the remote button out of range of the opener more times than the system’s built-in tolerance for error will permit.) Once this is done, the remote and receiver are ready to kick the system’s motor into gear and help you begin or end another day on the road.

The Fine Print

Promotional value expires 90 days after purchase. Amount paid never expires. Appointment required, same day appointments accepted. Residential garage doors only. Not valid for doors over 9 feet. Valid for up to 10 rollers. If additional rollers are required, an extra charge applies. Valid only within 40 miles of zip code 46202. Limit 1 per person. May be repurchased every 30 days. Limit 1 per household. Valid only for option purchased. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About Indianapolis Garage Door Experts

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.