Complete Garage-Door Overhaul from A1 Garage Door Service ($300 Value)

A1 Garage Door Service - Kleinman Park Neighborhood

Value Discount You Save
$300 70% $211
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In a Nutshell

Techs get garage doors back on track with a complete overhaul including inspection, cleaning, and new premium nylon-sealed rollers

The Fine Print

Promotional value expires 120 days after purchase. Amount paid never expires. Limit 1 per person, may buy 1 additional as a gift. Limit 1 per visit. Appointment required. Valid within a 30 mile radius of zip-code 85210. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

A1 Garage Door Service - Kleinman Park Neighborhood: Complete Garage-Door Overhaul from A1 Garage Door Service ($300 Value)

The Deal

$89 for a complete garage-door overhaul ($300 value)

  • 20-point inspection
  • Check and adjustment of the torque and travel settings on the garage-door opener
  • Lubricate springs, rollers, door hinges and bearings
  • Clean and check of the safety eyes
  • Evaluate the condition of the bottom, top, and side seals.
  • Install 10 new premium nylon-sealed 13-bearing rollers for 7-foot doors and 12 premium nylon-sealed 13-bearing rollers for 8-foot doors<p>

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.<p>

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

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.<p>

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.<p>

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.<p>

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    Kleinman Park Neighborhood

    950 W Birchwood Ave

    Mesa, AZ 85210


    Get Directions

Do it yourself, from home repairs to renovation projects
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