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$29 for a Garage-Door Tune-Up and Safety Inspection from Garage Door Geeks ($100 Value)

Up to 71% Off
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Garage-door techs inspect springs, rails, rollers, and openers, tuning up ailing parts for smooth, safe operation

Customer Reviews

100% Verified Reviews
All reviews are from people who have redeemed deals with this merchant.
8 ratings3 reviews
July 29, 2020
Making appointment was easy, he was on time, answered all my questions and gave his professional opinion. He was quick and fast as well.
22 ratings18 reviews
July 22, 2020
Showed up on time. Polite and professional. Went over the condition of my doors in a way I could understand. Did not try to upsale me.
16 ratings9 reviews
June 8, 2020
Amazing! Very professional
1 ratings1 reviews
May 21, 2020
Respectful, prompt, helpful, and reasonable. Will definitely use this company again.
1 ratings1 reviews
April 2, 2020
The tech was very professional and courteous!
11 ratings6 reviews
March 20, 2020
Great service - did not try to up sell me on any extras.
9 ratings7 reviews
March 17, 2020
They came on my schedule and dealt with my problems efficiently and quickly. I was very pleased.
2 ratings1 reviews
March 11, 2020
Very knowledgeable. Explained problem I was having with my door clearly. No bate and switch.
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What You'll Get

The Deal

  • $29 for a garage-door tune-up and safety inspection ($100 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. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Limit 1 per household. Valid only for option purchased. All goods or services must be used by the same person. Appointments required and subject to availability. Valid within 40 miles of zip code 23114. 24-hour merchant cancellation and re-scheduling policy applies. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

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