Garage door springs do most of the heavy lifting every time your door opens or closes. When they weaken or snap, the entire system becomes unsafe and unpredictable. Knowing the difference between torsion and extension springs—and what replacement might cost—helps you make the right call before a small problem turns into a major breakdown.
This guide walks you through how each spring works, what to expect when they fail, and how to estimate real-world pricing for your next repair.
The difference between torsion and extension springs
Even though both spring types serve the same purpose, they work in completely different ways.
Torsion springs
These sit above the door and twist to generate torque. They lift the door smoothly and evenly. Torsion springs last longer, operate more quietly, and are the safest option for most residential garage doors.
Extension springs
These mount along the sides of the track and stretch when the door moves. They’re common in older systems and cost less upfront, but they wear out faster and produce more noise.
Both types get the job done, but torsion springs perform better, last longer, and are easier to maintain.
How to know your springs are failing
Springs rarely fail without warning. They weaken gradually. You may notice the door feels heavier, lifts unevenly, or stops halfway up. Sometimes the opener struggles or vibrates more than usual. In other cases, you’ll see a visible gap in the coil—that means the spring has already snapped.
If the door won’t lift at all, the spring is completely done. At that point, do not attempt to force the door open. It can cause further damage or injury.
Torsion spring replacement costs ($200–$700+)
Torsion springs are more expensive than extension springs but offer the best long-term value. They typically last 10,000–20,000 cycles, depending on quality and daily use.
Most homeowners pay $200 to $700 for garage door spring replacement cost, but the final price depends on the following factors:
Door weight and insulation level
One spring vs. two springs
Standard vs. high-cycle spring quality
Labor rates in your city
Heavier insulated doors and high-cycle springs push the total toward the higher end. Despite the added cost, torsion springs protect your opener and reduce future repair bills.
Extension spring replacement costs ($150–$350)
Extension springs are cheaper but come with trade-offs. They don’t last as long, and they put more strain on the system.
Typical replacement pricing ranges between $150 and $350, depending on:
Door size and weight
Spring length and strength
Whether both springs require replacement
Local labor pricing
Many homeowners choose this option for budget reasons, but if you're planning to stay in your home long-term, upgrading to torsion springs is often the smarter investment.
Why you should replace both springs together
Springs work as a pair. When one breaks, the other is already close behind. Replacing only one creates:
Uneven lifting
Extra strain on the opener
Premature wear
Safety issues
A matched set keeps your door balanced and reduces the chances of another breakdown in the near future.
What impacts your total bill the most
Door weight. Light doors use smaller, cheaper springs. Heavy insulated doors require stronger, more expensive springs.
Number of springs. Two-spring systems cost more but help the door operate safely and evenly.
Spring type. Torsion springs cost more but deliver smoother operation and longer lifespan. Extension springs cost less but require more frequent replacement.
Local labor rates. Cities with a higher cost of living—like Los Angeles—naturally charge more for skilled labor.
Understanding these variables helps you recognize a fair estimate when comparing service providers.
When to call a professional
Spring replacement is extremely dangerous because the coils store a large amount of tension. Even a small mistake can cause serious injuries. This is not a DIY project, even if you're handy.
A trained technician will install the correct spring size, balance the door, and check for other issues like worn cables or damaged drums. Many homeowners call for Los Angeles garage door repair when their springs break unexpectedly, especially if the door traps a vehicle inside or won’t budge at all. A professional ensures your door operates safely and smoothly.
When upgrading your system makes sense
If your system still uses old extension springs, replacing them with torsion springs can improve durability, safety, and performance. High-cycle torsion springs last even longer and reduce the strain on your opener.
If your door feels noisy, shaky, or imbalanced, fresh springs can noticeably improve its smoothness.
Final thoughts: choose the safest and most cost-effective option
Your springs play a bigger role than most people realize. They control the weight of the entire door, protect the opener, and ensure safe daily operation. Understanding the difference between torsion and extension springs makes it easier to plan for replacement costs and avoid unpleasant surprises.
Torsion springs offer the best performance and long-term value. Extension springs cost less but need more frequent replacement.
If your door feels heavy, won’t lift, or shows signs of spring wear, don’t wait. Spring issues get worse quickly. Getting them replaced early restores your door’s safety, balance, and reliability—without unnecessary stress.
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