2026-03-17 7 min read
If you've ever walked into your garage on a January morning and found your door completely dead. opener straining, door barely budging. there's a good chance a spring let go overnight. It's one of the most common calls we get here in Marlborough, and it's not a coincidence that it keeps happening in January and February. The physics of a New Hampshire winter work directly against your garage door hardware, and understanding why can save you a cold, frustrated morning and an emergency service call.
Marlborough sits in Cheshire County at over 1,100 feet of elevation, and the winters here are no joke. Temperatures regularly swing from the single digits overnight to the mid-30s by afternoon, then drop hard again after dark. That constant expand-and-contract cycle is what does the real damage.
Garage door springs are made of tightly wound steel, and steel behaves differently in the cold. As temperatures drop, the metal contracts and becomes less flexible. more brittle and more susceptible to breaking under the load of lifting a heavy door. When a spring is already worn from years of use, the added tension from thermal contraction can push it right past its breaking point.
It's not just the cold itself. The repeated freeze-thaw cycling that runs from November through March in the Monadnock region acts like bending a paperclip back and forth. each cycle creates microscopic stress in the metal. By late February, those accumulated micro-cracks can cause a spring to snap with very little warning, often with a loud bang that sounds like something fell in the garage.
When it's cold, all garage door components tend to stiffen. rollers, hinges, and weather seals all move less freely. That added resistance transfers extra load to the springs every single time you open the door, accelerating wear even on springs that aren't yet at the end of their life.
Springs rarely go without giving you a few hints first. Here's what to pay attention to during the colder months:
- The door feels heavier than usual when you lift it manually or when the opener seems to struggle more than normal - Unusual noises. creaking, popping, or squeaking during operation. point to metal stress - Jerky or uneven movement, especially when opening, or a door that stops partway up - A visible gap in the spring coil above the door (torsion springs will visibly separate when broken) - One side of the door sagging during operation, which suggests one spring is failing while the other still works
If you notice any of these, don't keep cycling the door. Continued use with a weakened or broken spring puts extra stress on your opener and can create a genuinely dangerous situation. a residential garage door can weigh 200 pounds or more, and that weight is only manageable because the spring is counterbalancing it.
You don't need a service call to do basic preventive work. A few simple steps each fall can meaningfully extend spring life through a Marlborough winter:
Apply a dedicated garage door lubricant (not WD-40, which can actually cause problems in cold weather) to the spring coils, rollers, hinges, and tracks before temperatures drop hard. In cold conditions, lubricants thicken and lose effectiveness, increasing friction and forcing the springs to work harder. A light coat of silicone-based or lithium-based lubricant keeps things moving smoothly. This takes about five minutes and makes a real difference.
Most torsion springs are rated for roughly 10,000 cycles. one open and one close counts as a single cycle. If your household uses the garage door twice a day (which is conservative for most families), that works out to about 7,10 years of life. If your springs are getting close to that age, proactive replacement in early fall is far less disruptive. and less expensive. than an emergency call on a February morning. Check our frequently asked questions for more on spring cycle ratings and what to expect from a replacement.
An annual inspection before winter hits is the single most effective thing you can do. A technician can identify springs that are showing wear, lubricate the full system, check cable tension, and make sure your door is balanced. An out-of-balance door forces springs to compensate unevenly, which shortens their lifespan significantly. If you're not sure what's included in a professional tune-up, our services page walks through everything we check.
This is worth saying plainly: garage door spring replacement is not a DIY project. The springs store an enormous amount of energy under tension. If a spring snaps or uncoils unexpectedly during an amateur repair attempt, it can cause serious injury or significant property damage. The tools required to safely tension a torsion spring are specialized, and the process requires training. This is a job for a professional. full stop.
Homeowners in nearby Keene and Peterborough sometimes assume because they're handy around the house that springs are manageable. We'd gently push back on that. The risk simply isn't worth it. Reach out to us to schedule a spring inspection or replacement. it's a straightforward job when done correctly, and we can usually turn it around quickly.
Q: How do I know if my spring is broken or if it's just the opener acting up?
Disconnect the opener by pulling the red emergency release cord and try lifting the door manually. If the door feels extremely heavy or barely moves, a spring is almost certainly broken. If it lifts relatively easily but the opener isn't engaging it properly, the issue is likely with the opener itself rather than the spring.
Q: Can I still use my garage door if I think the spring is broken?
No. stop using it immediately. Operating a door with a broken spring puts the full weight of the door on the opener motor, which can burn out the opener, bend the tracks, or cause the door to drop suddenly. Leave it closed and call for service.
Q: How long does a spring replacement take?
For a standard residential door with torsion springs, a professional replacement typically takes under two hours. If both springs need to be replaced (which is often recommended when one breaks, since the other is similarly aged), the job is still usually wrapped up in a single visit.