The Short Answer: Thermal Cycling Destroys Springs
Every time your garage heats up during the day and cools at night, the steel in your garage door spring expands and contracts. In a moderate climate, this cycle is mild. In Imperial Valley, where summer temperatures swing from 95°F overnight to 115°F in the afternoon, that cycle is extreme — and it happens every single day from May through October.
Over time, this repeated expansion and contraction causes something called metal fatigue. The spring's steel crystalline structure weakens at the molecular level, and eventually the spring snaps — usually on the very hot days when the thermal stress is at its peak, or in the early morning when a cold night has made the metal brittle.
Standard Springs Aren't Built for This
Most springs installed on new homes are rated for 10,000 cycles — one cycle being one open and one close of the door. For an average household using the door 4 times a day, that's about 7 years of life in a moderate climate. In Imperial Valley, the thermal stress effectively cuts that lifespan by 30–40 percent. You're looking at 4–5 years on a standard spring, not 7–10.
High-cycle springs — rated for 25,000 or more cycles — hold up significantly better because the steel is tempered to a higher standard. They cost more, but in this climate they're worth the difference. We stock them for exactly this reason.
Signs Your Spring Is About to Fail
- The door feels heavier than it used to when you lift it manually. A weakening spring means the counterbalance is off.
- The door moves unevenly — one side goes up faster or higher than the other.
- Visible rust or gaps on the spring itself. A gap in a torsion spring means it's already broken.
- The opener strains or slows when the door moves up. The opener is compensating for a spring that's losing tension.
What to Do When a Spring Breaks
If your spring breaks, stop using the door. Do not try to manually lift it — without a working spring, the door can weigh 150 to 400 pounds and can fall. The opener, if you force it, can be destroyed trying to lift that load.
Call us at (760) 556-2086. Spring replacement is our most common service, we carry all common sizes, and we can typically be at your door the same day you call. Every spring job includes a tune-up and roller inspection because those wear at the same rate as the spring — if we're already doing the work, checking everything makes sense.
The Bottom Line for Imperial Valley Homeowners
If your door is more than 5 years old and you've never had the spring replaced, it's worth having it inspected. Our $89 tune-up includes a spring tension check that will tell you where yours stands. It's a lot cheaper than an emergency call on a Saturday morning when you can't get your car out of the garage.