2026-04-09 7 min read
If you've ever walked out to your garage on a bitter January morning, pressed the button, and heard a loud bang followed by silence. you already know what a broken spring sounds like. It's one of the most common calls we get at Garage Door East Granby from November through March, and it's no coincidence. East Granby winters are genuinely hard on garage door hardware, and springs take the worst of it.
East Granby sits in the Connecticut River Valley corridor, and its winters are defined by something more damaging than just cold: constant temperature swings. The town regularly sees overnight lows drop into the single digits, then rebound into the 30s or 40s by afternoon. That daily cycle of contraction and expansion is what wears out metal components fast.
Torsion springs. the heavy-duty coiled springs mounted above your garage door. are made of tempered steel. Steel naturally contracts in the cold, which increases internal tension. Every time the temperature plunges and then rises again, those springs are being stretched and compressed, over and over, without you ever opening the door once. Add in the hundreds of open-close cycles a year, and you're looking at a spring that's aging much faster than the manufacturer's rated cycle count suggests.
This isn't unique to East Granby, but the town's freeze-thaw pattern. shaped by its position near Bradley International Airport's open flatlands and the exposure that comes with it. makes conditions here consistently rough on metal parts.
Springs rarely give much warning, but there are signs worth watching for:
- The door feels heavier than usual. If you disengage the opener and try to lift the door manually, it should rise smoothly and hold at about waist height. If it feels heavy or drops back down, your spring tension is off. - Uneven lifting. One side of the door rises higher than the other. This usually means one spring in a two-spring system is weakening. - Visible gaps in the coil. A broken torsion spring will have a visible separation or gap in the coil. you can see this by looking at the horizontal bar above the door. - Loud bang from the garage. Springs can snap without warning. Many homeowners describe it as sounding like a gunshot.
If you're seeing any of these signs, don't delay. A door operating on a compromised spring puts extra strain on your opener motor and cables, and it creates a real safety hazard if the door falls unexpectedly.
Most homes in East Granby. particularly the Colonials, Cape Cods, and raised ranch-style houses that make up the majority of local housing stock. have torsion spring systems. These are the coils mounted on a horizontal rod above the door. Older homes and lighter doors sometimes use extension springs, which run along the sides of the door track and stretch as the door opens.
Torsion springs generally last longer and are considered safer when they break (a broken extension spring can fly loose if it's not caged). Either way, replacing them is not a DIY project. These springs are under several hundred pounds of tension. Attempting to adjust or replace them without the right tools and training can cause serious injury. This is one repair where calling a professional is the right call every time.
For more context on what's involved in diagnosing related hardware problems, our opener troubleshooting guide covers how a failing spring can look a lot like an opener problem. and how to tell the difference.
In Connecticut, spring replacement typically runs between $150 and $350 for a standard torsion spring swap, depending on the spring type, door weight, and whether both springs need replacing. If you have a two-spring system. which most double-car garage doors in East Granby do. it's worth replacing both at the same time, even if only one has snapped. Springs installed at the same time age at the same rate, so the second one is usually not far behind.
Don't let sticker shock tempt you into just fixing the one that broke. Paying for two springs now is almost always cheaper than paying for an emergency call when the second one snaps at 6 a.m. in February.
You can't prevent wear entirely, but you can slow it down:
1. Lubricate the springs twice a year. Use a silicone-based or lithium garage door lubricant. not WD-40, which attracts dust and can gum up coils. Apply in the fall before temperatures drop, and again in late spring. 2. Don't ignore balance issues. An out-of-balance door makes springs work harder on every cycle. Reach out to our team if your door doesn't sit level or feels off when operated manually. 3. Keep the garage moderately insulated. Drastic temperature differences between inside and outside accelerate the freeze-thaw stress on springs. Even basic weatherstripping and a garage door with some insulation value helps moderate the temperature swings. 4. Schedule an annual inspection. A technician can check spring tension, look for early signs of fatigue, and adjust cable tension before small problems become expensive ones. Check our services page for what's included in a routine inspection.
Homeowners in nearby Simsbury and Canton face similar climate patterns and the same spring wear issues. it's a regional problem that comes with living in the Connecticut River Valley.
Most torsion springs are rated for 10,000 cycles, which translates to roughly 7,10 years for an average household using the garage twice a day. In East Granby's cold winters, springs at the lower end of that range are common because of the additional stress from temperature cycling.
Technically the door may still open with the opener working harder to compensate, but you shouldn't use it. Operating a door with a broken spring puts serious strain on the opener motor, cables, and drums. and the door can come down unexpectedly if another component gives way. Treat a broken spring as an out-of-service situation until it's repaired.
If you have a two-spring system, replace both. They were installed at the same time and have the same number of cycles on them. The labor cost to come back for the second spring is often as much as the spring itself. replacing both in one visit saves money and avoids a second service call.