2026-04-14 7 min read
If you've ever heard a loud bang from your garage and walked out to find the door frozen in place, you already know what a broken spring feels like. It's one of the most disruptive garage door problems a Newton homeowner can face. and also one of the most misunderstood.
Newton's climate doesn't do springs any favors. Temperatures here swing from lows around 22°F in January to highs pushing 82°F in July, and that kind of thermal stress. metal contracting in the cold, expanding in the heat, year after year. accelerates wear on your spring system. Add in the humidity that settles in during summer months, and you've got conditions that shorten spring life faster than manufacturers' estimates might suggest.
Most homeowners assume the opener is what lifts their garage door. It isn't. Springs do the actual heavy lifting. the opener is essentially just guiding the movement. There are two types you'll find on Newton homes:
- Torsion springs. mounted horizontally above the door opening, these twist to store and release energy. They're the more common type on newer and heavier doors, including the large carriage-style doors popular in neighborhoods like Newton Highlands and Chestnut Hill. - Extension springs. these run along the sides of the door tracks and stretch as the door closes. You'll find them more often on older, lighter doors, including some of the original garage setups in Newton Lower Falls and West Newton's Victorian-era homes.
Both types have a finite cycle life. A standard torsion spring is rated for roughly 10,000 to 20,000 cycles. at two uses per day, that's about 14 to 27 years. But real-world conditions in Newton often cut that estimate shorter. Cold snaps cause metal to contract and become brittle, and springs that aren't lubricated regularly wear out faster.
Springs rarely fail without warning. Here's what to watch for before you're stuck with a door that won't open:
- The door feels unusually heavy when you lift it manually after disconnecting the opener - The door moves unevenly, sagging or tilting to one side during operation - Visible gaps in the coils of a torsion spring. a tight coil that develops a gap has lost tension - Squeaking or grinding during operation, especially in colder weather - The opener strains or reverses unexpectedly, which sometimes indicates the springs aren't providing enough assist
If you notice any of these, it's worth having the springs inspected before they fail completely. A spring that breaks under full tension can snap loudly and cause damage to cables, drums, or the door itself. Check out our guide to common winter garage door problems for more on how cold weather accelerates this kind of wear.
For a standard single-door torsion spring replacement, most Newton homeowners should budget in the range of $250 to $450 for professional service, with some jobs running higher depending on door size, spring grade, and whether cables or drums also need attention. Extension spring replacements tend to come in a bit lower.
A few things that affect your final cost:
- Spring type: Torsion springs cost more but last longer and are safer when they break. they stay contained on the shaft rather than flying across the garage like a snapped extension spring can. - Door size and weight: Heavier doors. think the solid wood carriage doors on older Chestnut Hill estates or the insulated double doors common in newer Newton Centre construction. need larger, stronger springs, which cost more. - Replacing one vs. both: Any reputable technician will recommend replacing both springs at the same time, even if only one has broken. Since both springs are installed together and experience the same wear, the second is usually close behind. Replacing them as a pair saves you a second service call within months. - Spring quality: Economy springs are cheaper upfront but rated for fewer cycles. High-cycle springs cost more initially but offer longer life. a smarter investment on a door that gets used multiple times daily.
You can see a full breakdown of the services Newton Garage Doors offers, including spring replacement, on our services page.
This isn't a scare tactic. it's just physics. Garage door springs are under extreme tension. A torsion spring holds enough stored energy to cause serious injury if it releases suddenly during handling. The tools required to safely wind and unwind springs aren't something most homeowners keep in their garage, and an improperly tensioned spring doesn't just fail. it can damage the entire door system or cause the door to come down hard.
This is one repair where calling a professional isn't just convenient, it's the right call. Our FAQ page covers frequently asked questions about what to expect during a spring replacement service call.
If you're in Cambridge, Brookline, or Watertown and your Newton neighbor mentioned spring trouble, the situation is similar across all these older suburban communities. Historic housing stock, attached garages built close to living spaces, and the same brutal New England winters mean spring failures are a regular occurrence across the region.
For a standard torsion spring job, a qualified technician can typically complete the replacement in one to two hours. If cables or drums are also damaged, add time for those components.
Technically, some openers will still attempt to move the door, but doing so puts enormous strain on the opener motor and can damage it. It also makes the door very heavy and dangerous to lift manually. It's best to leave the door in place until springs are replaced.
Torsion springs run horizontally above the door opening on a metal rod. Extension springs run vertically along the side tracks. If you're unsure, a technician can identify your spring type immediately on arrival.