Garage door work prices by the part, which makes it one of the more legible trades to buy. Published national guides put broken spring replacement at roughly $150 to $400, opener repair at $100 to $300, a new opener installed at $350 to $700, a single panel at $250 to $800, and full door replacement from about $750 upward with size and insulation. A general repair visit for cables, rollers, or track work usually lands inside the $150 to $400 band.
Hartford quotes should separate the door from the opener in writing. A spring pair, a sensor fault, and a worn gear are three different prices wearing one symptom, a door that will not move. The estimate that names the failed part and the balance test result is the one a second quote can be held against.
The variables that move a specific quote are door size and weight, whether the failed part took a second part with it (a spring that breaks can bend a track; an opener run against a dead spring strips its gear), and timing: after hours emergency work is priced as emergency work, and an honest company says so before dispatch, not on the invoice.
The decision rule the trade itself uses is the 50 percent rule: when the repair list on an older door totals half or more of a replacement door's price, replacement usually wins, especially once the door's panels are discontinued and every future section repair becomes a full door conversation. Ask for both numbers in writing. A company that will only quote the repair is telling you something.
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