The service area sits in a severe cold climate band, and that's the same for every town we cover from Elk River. What's different in Dayton is the math behind the failure: newer doors here were built with manufacturer defaults tuned for a milder install, and 20-plus winters of temperature swings between a heated garage interior and single-digit outdoor air have worked the springs, bearings, and seals harder than the house's age alone suggests. At $137,383, median household income in Dayton runs well above the $110,833 average we see across the rest of the service area, and the practical effect on our end is simple: more of these doors are taller, heavier, insulated models rather than the bare steel standard doors common in older, lower-cost housing nearby. Heavier doors put more load on torsion hardware, and torsion hardware under more load fails sooner than the house's calendar age would suggest.