Safety Guide · April 2026
DIY vs Professional
Spring Replacement
DIY spring replacement can save $75-$250 in labor — but for torsion springs, the risk far outweighs the savings. Here is an honest breakdown of when DIY makes sense and when it absolutely does not.
CRITICAL SAFETY WARNING
Torsion springs are under extreme tension. Every year, homeowners are seriously injured or killed attempting DIY torsion spring replacement. The $150-$250 saved in labor is not worth risking your life. Always hire a licensed professional for torsion spring work.
Cost Comparison: DIY vs Professional
| Service | Parts | Labor | Total | Savings |
|---|---|---|---|---|
| Extension spring pair (DIY) | $30-$70 | $0 | $30-$70 | $75-$130 |
| Extension spring pair (Pro) | $35-$70 | $100-$175 | $150-$250 | — |
| Torsion spring pair (DIY) | $60-$120 | $0 | $60-$120 | Not recommended |
| Torsion spring pair (Pro) | $60-$120 | $175-$300 | $250-$350 | — |
When DIY Is Acceptable
Extension springs only — and only if you meet all of the following conditions:
- You have prior experience with home mechanical repairs
- You have a helper (never work alone under a heavy door)
- You have C-clamps or locking pliers to secure the door
- The existing springs have safety cables (and you will install cables on new springs)
- You can correctly identify the spring size, length, and weight rating needed
- You are comfortable working on a ladder
Why You Should Never DIY Torsion Springs
Torsion springs store enough energy to kill — they can deliver 30,000+ inch-pounds of torque
Improper winding can launch the spring bar at high velocity
Incorrect spring size leads to premature failure or door imbalance
No warranty on DIY work — if something breaks, you pay twice
A falling garage door (250-450 lbs) can cause serious injury
Most homeowner insurance does not cover DIY garage door injuries
What a Professional Brings
- Correct spring sizing — measured by wire gauge, length, and inside diameter
- Proper winding bars — standard bars cost $20-$40 and most people will only use them once
- Liability insurance — if something goes wrong, their insurance covers it
- Warranty — typically 1-3 years on labor, 3-10 years on parts
- Full system inspection — they will check cables, drums, rollers, and brackets
- 30-60 minutes — what takes a DIYer 3-4 hours takes a pro under an hour
Bottom line: For extension springs on a light single-car door, an experienced DIYer can save $75-$130. For everything else — especially torsion springs — hire a professional. The $150-$250 in labor buys you safety, warranty, and peace of mind.