Published 2026-04-28 · Houston Garage Door Pros
Torsion vs Extension Garage Door Springs: Which Is on Your Door?
Quick answer: Torsion springs mount on a bar above the door and twist to lift it; extension springs run along the tracks and stretch. Most Houston homes built after the mid-1980s have torsion springs, which last longer, balance heavier doors better, and fail more safely than extension springs. Older detached single-car garages often still have extension springs.
How to tell which you have
Stand inside with the door closed and look up. A torsion spring is a tight coil mounted on a horizontal steel bar directly above the door opening. Extension springs are a pair of longer, looser springs running parallel to the horizontal tracks on each side of the door, usually with a safety cable threaded through each one.
Most Houston homes built after the mid-1980s use torsion. Older Heights bungalows and 1960s-70s detached garages often still run extension springs.
Why torsion is better
Torsion systems handle heavier doors more safely, last longer per dollar, and control the door's descent better. Extension springs are cheaper up front but more prone to whip-failure, which is why a safety cable through each one is mandatory. On a Houston door that cycles in the heat, the longer-lived torsion system is the better long-term value.
If your door has extension springs and you want it converted to torsion during a repair, that is a worthwhile conversation to have on the same visit.
Lifespan in Houston
Both spring types are rated by cycles, and Houston heat cuts the real-world life of either. A standard 10,000-cycle spring lasts roughly 5 to 7 years here. The 25,000-cycle Gulf-Coast-rated upgrade, available for torsion, stretches that to 13 to 16 years for about $50 to $80 more per spring.
Frequently asked
How do I tell torsion from extension springs?
Torsion springs sit on a bar above the door; extension springs run along the tracks on each side. Most post-1980s Houston homes have torsion.
Which spring type is better?
Torsion. It lasts longer, balances heavier doors more safely, and fails more predictably. Extension springs are cheaper but more prone to whip-failure.
Can I convert extension to torsion?
Often yes, if there is enough headroom above the door. We can quote the conversion during a spring repair on an extension-spring door.
How long do springs last in Houston?
A standard spring lasts about 5 to 7 years here because heat cuts the cycle life. The 25,000-cycle upgrade roughly doubles that.
Are extension springs dangerous?
They can whip if they fail without a safety cable. A properly installed extension system has a safety cable through each spring; we add them if yours are missing.
Related reading
- Spring Repair Service
- How Spring Replacement Works
- Spring Lifespan in Houston Heat
- Houston Cost Guide