$99 for Garage Door Tune-Up with Roller Replacement from CGX Overhead Door ($250 Value)

CGX Overhead Door

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Customer Reviews


32 Ratings

100% Verified Reviews
All reviews are from people who have redeemed deals with this merchant.
Relevant Reviews

KK

Ken K. ·
Reviewed February 26, 2016
Fast and efficient. Professional

RA

Renee A. · 3 reviews TOP REVIEWER HELPFUL REVIEWER
Reviewed February 26, 2016
Great service, very responsive

CB

Charles B. ·
Reviewed January 5, 2016
Cory was great! They showed up when they were scheduled and did a great job. I will call them when it is time to replace my garage door system.

What You'll Get


The Deal

  • $99 for a garage door tune-up with roller replacement ($250 value)

The tune-up includes:

  • Replacement of all rollers with quiet white nylon-ball-bearing rollers
  • Lubrication of all hinges, bearings, springs, and the opener rail
  • Check and adjustment of spring tension to balance door
  • Check and adjustment of tracks for proper spacing
  • Check all hinges and tighten where needed
  • Check lift cables for wear
  • Check and adjustment of safety pressures of opener
  • Check and adjustment of infrared sensors for proper alignment

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. Valid only within 25 miles of zip code 63124. Appointment required. Limit 2 per person. All goods or services must be used by the same person. Limit 1 per garage door. Not redeemable with other offers. Appointment subject to availability. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About CGX Overhead Door


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.