Spring Comparison · Updated 14 November 2026
Torsion vs Extension Springs
Torsion pair, installed
$145-$520
Extension pair, installed
$130-$350
Torsion springs cost a little more because the springs do; the labor is the same visit. At the standard grade both types are rated 10,000 cycles, one open and one close each. Torsion springs also come in high-cycle grades (27,000 and 54,000 cycles), and extension springs need a safety cable through each spring.
Our estimate (parts, labor and service call), from spring prices at DDM Garage Doors and DIY Garage Door Parts and Yelp's published visit rates, read 13 October 2026. Ratings from DDM Garage Doors, Prime-Line (a spring maker), read 8 November 2026. Safety from DASMA.
Torsion vs extension spring, side by side
| Torsion | Extension | |
|---|---|---|
| Pair replaced, installed (our estimate) | $145-$520 | $130-$350 |
| One spring, part only | $35.38 to $157.94 | $29.92 to $72.90 |
| Where it sits | On a shaft above the door | Along each horizontal track |
| How it lifts | Twists (torque) | Stretches (tension) |
| Standard rating (makers) | About 10,000 cycles (DDM minimum) | 10,000 cycles (Prime-Line) |
| Years to that rating at 4 cycles a day | 6.8 years | 6.8 years |
| High-cycle grades | 27,000 and 54,000 cycles (DDM) | None listed by Prime-Line |
| Safety cable | Not needed | Required, one through each spring (DASMA) |
| DIY replacement | No, trained technician only (DASMA) | No, trained technician only (DASMA) |
Years = rated cycles / (4 cycles a day × 365); 4 a day is the example DIY Garage Door Parts uses. Prime-Line: “This heavy-duty (10,000 cycles) extension springs have double loop ends for extra durability.” DDM: standard residential torsion springs are “commonly designed around a minimum cycle rating of approximately 10,000 cycles”, and ratings “are engineering estimates and are not guarantees of actual service life.” DASMA: “Spring systems are dangerous and should be repaired only by trained professionals.”
Work out either type's life at your use
Pick torsion or extension, enter how often the door goes up and down and how old the springs are. The tool shows the arithmetic and what a replacement pair costs.
Work out your spring's life
Tick anything you can see or hear:
About 1.8 years to its rating.
At your use, the spring has not reached its rated cycles. Use is an estimate, so check the signs below once in a while.
4 a day × 365 × 5 years = 7,300 cycles used, or 73% of 10,000. At 4 a day the rating lasts 6.8 years.
Replacing a standard torsion pair, installed: $145 to $520 on our estimate (parts, labor and service call), or $145 to $715 for a standard pair after hours.
Which type does your door have?
Stand inside the garage with the door closed and look above it. A thick spring (or two) wound round a metal shaft running across the top of the door means torsion springs. Long springs running beside the horizontal tracks, parallel to the ceiling, mean extension springs. Each extension spring should have a safety cable through its centre; if yours do not, DASMA advises calling your local dealer for a safety inspection.
When the price difference matters
Not much on a standard job: the visit is the same, so the gap between $145 to $520 and $130 to $350 is mostly the two springs. It matters more if the door is your main way in. At 10 cycles a day, the busy garage in DDM Garage Doors' example, a standard spring of either type reaches its 10,000-cycle rating in 2.7 years and a 54,000-cycle torsion pair in 14.8. Only torsion springs give you that choice, at $200 to $575 installed for a 54,000-cycle pair on our estimate. See high-cycle garage door spring cost.
Can you convert from extension to torsion?
Yes, and it is a bigger job than a spring swap, because it changes the door's counterbalance system, not just the springs. The two guides that price it:
- HomeAdvisor: “Converting from extension to torsion springs costs $400 to $800.”
- CostInspector: “Conversion runs $300–$600.”
Read 13 October 2026. We have no parts list for a conversion kit, so we do not build our own range for it.
Either type: replace both springs together. DASMA: “If your door has two springs, replace both, even if one is not broken.”
How we price this: Our ranges are estimates built from published inputs, not quotes: retail spring prices, the service-call and hourly rates in Yelp's cost guide, and job times from HomeAdvisor and Yelp. Low ends are rounded down and high ends up to the nearest $5. Sources, read 13 October 2026: DDM Garage Doors, DIY Garage Door Parts, Yelp cost guide, HomeAdvisor, DIY Garage Door Parts, extension springs and DDM Garage Doors, high-cycle springs. HomeAdvisor and Angi are both owned by Angi Inc., which pays this site a commission for quote requests. (Angi Inc. 2025 Form 10-K)
Show the arithmetic
- Pair of torsion springs replaced (pair; estimate from stated inputs; includes parts, labor, service call): $145 to $520. parts 2 x $35.38 to 2 x $157.94, plus labor $75 to $200 (a $75 to $100 service call covering the first hour, plus up to one more hour at $100): $145.76 to $515.88, rounded out to the nearest $5.
- Pair of extension springs replaced (pair; estimate from stated inputs; includes parts, labor, service call): $130 to $350. parts 2 x $29.92 to 2 x $72.90, plus labor $75 to $200 (a $75 to $100 service call covering the first hour, plus up to one more hour at $100): $134.84 to $345.80, rounded out to the nearest $5.
- Standard torsion spring, part only (per spring; quoted; includes parts): $35.38 to $157.94. Lowest listing at DDM Garage Doors ($35.38) to highest at DIY Garage Door Parts ($157.94, sold with cables and winding bars). DDM's residential range is $35.38 to $87.91; DIY Garage Door Parts' is $75.25 to $157.94.
- Extension spring, part only (per spring; quoted; includes parts): $29.92 to $72.90. DIY Garage Door Parts, springs for 7 ft doors rated 100 lb ($29.92) to 200 lb ($72.90).
- Pair of high-cycle torsion springs replaced (pair; estimate from stated inputs; includes parts, labor, service call): $170 to $575. standard torsion pair $145.76 to $515.88, plus the high-cycle parts premium $26.54 to $55.82: $172.30 to $571.70, rounded out to the nearest $5.
Parts are priced at what the two suppliers charge the public. Installers buy for less and many mark parts up, and neither figure is published, so a quote's parts line can be higher than ours.
Wage check: The BLS puts the median mechanical door repairer (the occupation that includes garage door mechanics) at $26.79 an hour (May 2025). Wages are 70.0% of private-industry employer costs (June 2026), so that technician costs an employer about $38.27 an hour before the van, insurance, overhead and profit. Yelp's $40 to $100 hourly rate sits at or above that cost, which is what a billed rate should do. (BLS OEWS, 49-9011 Mechanical Door Repairers; BLS Employer Costs for Employee Compensation)
Frequently Asked
Torsion vs extension spring: which costs more to replace?
Torsion, by a little. On our estimate a pair of torsion springs is $145 to $520 installed and a pair of extension springs $130 to $350. The labor is the same visit, so the gap is the springs: $35.38 to $157.94 for one torsion spring against $29.92 to $72.90 for one extension spring at the two suppliers we checked.
What is the difference between torsion and extension garage door springs?
Torsion springs mount above the door on a metal shaft and twist to lift it. Extension springs run along the horizontal tracks on either side and stretch. DASMA says extension springs are under high tension when the door is down and each needs a safety cable through it, so a broken spring stays contained.
Do torsion springs last longer than extension springs?
Not at the standard grade, on the makers' ratings: about 10,000 cycles for a standard torsion spring (DDM Garage Doors' minimum) and 10,000 for an extension spring (Prime-Line, which makes them). Torsion springs also come in high-cycle grades, 27,000 and 54,000 cycles at DDM; Prime-Line lists its extension springs at 10,000 only. A cycle is one opening and one closing.
Which is safer, torsion or extension springs?
Both store enough energy to injure. DASMA says spring systems should be repaired only by trained professionals, whichever type you have. An extension spring that breaks without a safety cable can fly loose, which is why DASMA says to call a dealer for a safety inspection if yours have no cable.
Can I convert extension springs to torsion springs?
Yes, but it changes the door's counterbalance system, not just the springs, so it costs more than a straight replacement. HomeAdvisor puts it at $400 to $800 and CostInspector at $300 to $600. We have not priced a conversion ourselves.
Should I replace both springs?
Yes, on either type. DASMA: "If your door has two springs, replace both, even if one is not broken." They have done the same number of cycles.