2026-08-06 7 min read
If you've ever had a garage door that won't budge, you've likely got a spring problem. Springs are what actually lift your door. Without them working properly, that 300-pound panel isn't going anywhere. I'm going to walk you through exactly how they function, why they fail, and what you're looking at for cost.
Most residential doors in Lunenburg use one of two types: torsion springs or extension springs. Torsion springs sit above the door and wind up like a clock. They store energy as they twist, then release that energy to help the opener lift the door smoothly. Extension springs run along the sides of the door opening and stretch to do the same job. Both do the heavy lifting, not your opener.
Here's the thing most homeowners miss: your garage door opener is supposed to open an already-balanced door. It's not designed to lift dead weight. When springs are worn or snapped, the opener struggles, burns out faster, and you end up paying for both repairs instead of just one. Springs last about 7 to 9 years on average, depending on how often you use the door.
Springs fail for a few reasons. Temperature swings in New England are brutal on metal. Winter cold makes the steel brittle. Salt air near the coast, even inland in Lunenburg, causes rust. Lack of lubrication speeds deterioration. And sometimes, a spring just reaches the end of its cycle.
A snapped spring usually happens without warning. You'll hear a loud bang from the garage, and your door won't move an inch. That's your cue to stop trying to open it and call for help. Attempting to force the door or use the opener can damage the tracks, cables, and opener itself.
**Need garage door springs in Lunenburg today?** Call (978) 396-4976. we cover same-day service across the area.
Torsion springs are safer and last longer. They're also more expensive to replace, typically running $200 to $400 per spring, plus labor. Extension springs cost less upfront (around $100 to $200), but they wear faster and require safety cables to contain them if they break. If you're unsure which you have, our guide to what most homeowners miss about garage door springs breaks down the differences clearly.
When you get an estimate for replacement, ask whether you need one or two springs replaced. Most doors have two. Some older systems use one. A quality technician will inspect both and give you honest advice, not just replace what's obviously broken.
Spring replacement cost in Lunenburg ranges from $300 to $800 for both springs, labor included. Price depends on spring type, door weight, and whether your door has other damage. A free estimate takes 15 minutes. We can usually get you a same-day appointment if one spring snaps and leaves you stranded.
Don't ignore a worn spring hoping it'll last another season. A failing spring puts stress on everything else. Your cables fray. Your rollers wear unevenly. Your opener burns out. Fixing the spring early saves you thousands later. Our spring replacement cost guide has more detail on pricing factors.
Annual lubrication and inspection extend spring life by a year or two. We recommend a tune-up each fall before the cold weather hits. Our maintenance guide covers the basics so you know what to expect. A small investment in preventive care beats an emergency call at midnight.
If you've already had a spring snap, don't wait on the replacement. A stuck door is a safety hazard and a security risk. Call us for a same-day estimate and we'll get you back on track fast.
This is not a DIY job. Springs are under extreme tension. A mistake can cause serious injury or death. I've seen springs snap and take out drywall. I've seen them injure people badly. This is the one garage door repair you absolutely need to hand off to trained technicians.
Contact Lunenburg Garage Doors to schedule a free quote or get a same-day estimate if your spring has already failed. We'll assess what needs fixing and give you an honest price with no surprises.
How do I know if my garage door spring is failing? Listen for squeaking or creaking sounds when the door opens and closes. If the door feels heavier than normal or won't stay up on its own, the spring is weakening. A snapped spring causes the door to stop moving entirely and may produce a loud bang.
Can I replace just one spring if both are old? Technically yes, but not recommended. If one spring is worn enough to fail, the other is close behind. Replacing both at once costs more upfront but saves a second service call and second repair bill within months.
How long does spring replacement take? Typically 1 to 2 hours for both springs, depending on door size and condition. We schedule same-day appointments when possible.
Are torsion springs better than extension springs? Torsion springs last longer, operate more smoothly, and are safer if they fail. Extension springs cost less but require safety cables and wear faster. Torsion is the better long-term choice.
What should I do if my spring snaps right now? Stop using the door immediately. Don't force the opener. Call (978) 396-4976 for emergency service. We handle same-day repairs for snapped springs across Lunenburg and surrounding areas.