2026-04-04 6 min read
Most homeowners in Antrim don't think about their garage door springs until one breaks. Then it's impossible not to think about them. because a broken spring means the door isn't going anywhere, and a 150 to 300-pound panel is now hanging without proper support. Knowing the warning signs ahead of time can save you from that scenario entirely.
This is especially relevant here in the Monadnock Region, where older home stock is the norm. Many homes in and around Antrim. including the historic Colonials along Route 31 and the traditional two-story homes throughout town. have garage doors and hardware that have been in place for years. Springs don't last forever, and age plus New Hampshire's temperature extremes are a combination that accelerates wear.
Your garage door spring system. whether torsion springs mounted horizontally above the door or extension springs running along the tracks on either side. does one critical job: it counterbalances the weight of the door so your opener motor only has to do a fraction of the actual lifting. Without functioning springs, the opener is fighting the full weight of the door on every cycle, which burns out motors and creates dangerous situations.
Springs are rated by cycles, not years. One cycle equals one full open and close. Most standard torsion springs are rated for around 10,000 cycles. which, at an average of four cycles per day, translates to roughly seven to nine years of service life. Heavier doors, more frequent use, and extreme temperature swings can shorten that considerably. If your door has seen more than a decade of Antrim winters, your springs deserve a close look.
Disconnect your opener using the red emergency release cord and try lifting the door manually to about waist height. Let it go. A properly balanced door should stay roughly in place. If it feels like you're lifting dead weight, or if it immediately slides back down to the ground, the springs are no longer doing their job. This test is simple, safe, and one of the most reliable diagnostics a homeowner can do on their own.
A torsion spring breaking under tension releases stored energy all at once. Many homeowners describe it as sounding like a gunshot or something heavy falling in the garage. even when nobody is in there. If you hear this and your door then won't open, or your opener runs but the door barely moves, a spring has almost certainly snapped. Do not use the door. Call for service. This situation is covered in more detail in our guide on emergency access for your family, including what to do when the door won't cooperate at all.
Your opener motor is designed to assist the spring system. not replace it. If you notice the opener humming louder than usual, moving the door in jerks, or stopping before the door is fully open, that motor is working far harder than it should be. Left unchecked, this kind of strain will burn out the motor and strip the gears, turning a spring replacement into a spring-and-opener replacement. The repair bill grows quickly.
Take a look at your torsion spring (the horizontal bar above the door opening) and your extension springs (if applicable, running along the upper tracks). A gap of roughly two inches or more in a torsion spring coil means it has snapped. Rust or discoloration on the surface of the spring weakens the metal and makes it far more likely to fail suddenly. especially in the freeze-thaw cycles common from late February through April in Antrim. If a spring looks stretched, corroded, or distorted, treat it as a warning, not something to wait on.
If your door tilts to one side when opening or looks crooked in the frame, one spring has likely failed while the other is still functioning. The working spring is now carrying twice the load it was designed for. meaning the second spring is going to fail soon too. Uneven movement also puts stress on the tracks and rollers, which can create a cascade of additional repair needs. For more on how rollers factor into the overall system, our roller replacement guide gives a thorough breakdown.
This is worth saying plainly: garage door spring replacement is one of the most dangerous home repairs a person can attempt without proper training and tools. Springs are under extreme tension. enough to cause severe injury if they release unexpectedly. Proper replacement requires specialized winding bars, a solid understanding of torque and spring sizing, and the ability to safely control a heavy door during the process. Getting the spring sizing wrong also creates new problems, since a mismatched spring can damage your opener and cause balance issues.
The good news is that a professional replacement is straightforward and typically takes under two hours. Garage Door Antrim handles spring replacements throughout Antrim and neighboring towns including Peterborough, Jaffrey, and Dublin. so you're not waiting days for someone to come out from a distant city.
The clearest takeaway here is that spring failure almost always telegraphs itself before it happens. A heavy door, strange noises, uneven movement, visible rust. these are all the spring telling you it's running out of time. Acting on those signs before a full failure is safer, less stressful, and usually less expensive than dealing with a door that won't open on a workday morning.
If any of the symptoms in this post sound familiar, reach out to schedule an inspection before the problem escalates. We serve the full Antrim area and can give you a straight answer about what your springs need. whether that's a replacement or just some maintenance attention.
Q: Can I replace just one spring, or do both need to be done at the same time?
A: If one torsion spring breaks, it's strongly recommended to replace both at the same time. Since both springs have been through the same number of cycles and the same conditions, the remaining one is likely close to the end of its life anyway. Replacing both ensures even tension across the door and saves you from scheduling a second service call a few months later.
Q: How much does garage door spring replacement typically cost?
A: Costs vary depending on the type of spring (torsion vs. extension), the weight and size of your door, and whether any secondary damage occurred from a failed spring. The best approach is a direct inspection. a technician can assess the specific spring rating your door needs and give you an accurate quote. Check our services page for an overview of what we offer, and reach out for specifics on your door.
Q: My door is only about five years old. Can the springs really be worn out already?
A: Possibly, yes. Spring lifespan is measured in cycles, not years. If your household opens and closes the garage door eight or more times a day. common when multiple family members come and go. you can hit 10,000 cycles in four to five years. Heavier steel doors also wear springs faster. If you're experiencing any of the warning signs above, the age of the door matters less than what the springs actually look and feel like.