Spring repair in Centerville, Utah

Centerville sits at roughly 4,265 feet, and the 85 annual freeze–thaw crossings that come with that elevation fatigue spring steel independently of how often the door runs. Each crossing contracts and expands the coil; the damage accumulates whether the door cycles twice a day or ten times.

There is a second cold effect: freezing temperatures make spring steel more brittle, so the fatigued spring picks the coldest lift of the day to fail. With 94% of Centerville's freeze–thaw days packed into November through March, the failure season is not a mystery.

This is mature housing — half the homes in Centerville were standing by 1979 — so most garages have replaced springs once or twice already. A never-replaced set here is living on borrowed time well past the local 5–7 years.

The 25,000-cycle upgrade adds $80 to $150 to a replacement and multiplies expected life by roughly 2.5. At Centerville's 85 cycles a year of thermal fatigue, that arithmetic tilts firmly toward the upgrade — it converts a 5-to-7-year spring into one that outlasts most ownerships, and it avoids paying the call-out twice.

Fit them as a matched pair, sized to the door's measured weight — in this climate an undersized bargain spring is the shortest-lived spring of all.

The measurements shift town by town: Bountiful runs 85.6 freeze–thaw cycles and 5–7 years of spring life; Woods Cross runs 83.6 freeze–thaw cycles and 5–7 years of spring life; and Farmington runs 86.2 freeze–thaw cycles and 5–7 years of spring life.

Against that backdrop, Centerville holds 85 cycles at 4,265 ft with a 1979 median build year — the specific inputs behind every figure above.