A crank handle and operator arm on a dark casement window
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Window Hardware Repair & Replacement

Every time you open, tilt, crank, or lock a window, a set of small parts does the work. When one of them gives out, you notice fast. A lock refuses to engage, a handle spins freely, or a raised sash sinks the instant your hands leave it. Usually the glass and frame have nothing wrong with them. WindowFixGuru™ handles window hardware repair on the windows already in your home. We fix or swap the part that quit, and the window itself can stay put.

Balances, crank operators, hinges, locks, handles, tracks, rollers, tilt latches, pivot bars, sash hardware, and weatherstripping are all on our list. So are glass, screens, and plenty of other working pieces.

We service windows from leading manufacturers

Repair & Replacement

Hardware Service for the Windows You Already Have

Nearly every hardware complaint traces back to a single part that has worn down or snapped. Variety is what makes it tricky. Two windows that look alike from the street can use entirely different mechanisms, and a lock pulled from one rarely fits the next. So our first step is always to pin down three things. We confirm the window type, the hardware system it runs on, and the piece that actually failed.

Our approach

Vinyl, wood, fiberglass, aluminum, clad, composite, and steel windows all come through our hands, with ordinary hardware and less common specialty systems alike. To see the full range of window work we take on, visit our complete window repair services page.

Symptoms

Early Signs a Window Part Is Wearing Out

Maybe locking a window now takes both hands, a crank wobbles in your grip, or a raised sash inches lower over an afternoon. Catching it early matters, because a worn piece left in service can strain and damage the parts working beside it.

A rusted casement operator arm under an open window sash

Hardware trouble we take care of:

  • Locks That Refuse to Catch or Turn
  • Latches That Feel Loose or Have Snapped
  • A Sash That Slides Back Down
  • A Window That Feels Heavy to Lift
  • Cranks That Spin Without Moving the Sash
  • Worn or Stripped Crank Handles
  • Casements That Stop Short of Closing
  • Hinges That Have Bent or Worn
  • Tilt Latches That Stick Shut
  • Snapped Pivot Bars
  • Sliders That Drag Along Their Track
  • Parts the Maker No Longer Sells
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An old metal latch on a wood window
Locks & Latches

Window Lock & Latch Repair

An unlockable window leaves a security gap, plain and simple. That same window often no longer presses tight against its seals. For both reasons, broken window lock repair is worth scheduling sooner rather than later.

A household works its window hardware thousands of times over the years. Sooner or later a lock breaks, a handle loosens, a hinge wears, a roller drags, or plastic turns brittle.

Not every stubborn lock is a broken lock, though. Often the lock works fine and the sash has drifted, so the lock no longer lines up with its keeper. We check both before ordering anything. Depending on what we find, window lock repair might be a fresh sash lock, a new keeper, or a replacement latch. Now and then a careful realignment solves it with no new parts at all.

That same care goes into window latch repair. A latch that will not hold may be cracked, or the keeper it closes into may be worn or out of position.

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Cranks & Operators

Window Crank Repair & Operator Service

Casement and awning windows are opened by a crank. Turning the handle drives a gear inside the operator, and the operator arm swings the sash outward. Once those parts wear, the crank gets stiff, starts to slip, or stops moving the window entirely.

A failed crank is very often a failed part, and replacing the whole casement or awning unit is seldom the answer. The fault could sit in the handle, the operator, its arm, or the gearbox. It could also be a hinge, the lock, or how the sash sits in its frame. We check how those pieces work together before we swap anything.

Window crank repair can be as small as a new handle when the splines inside it have stripped. A gear that has worn smooth usually calls for a fresh operator, which is where window operator repair comes in. If the operator turns fine yet the window still fights you, a tired hinge or a shifted sash is the likely culprit.

For casement window crank repair in particular, we also test whether the sash opens fully, shuts tight, and latches. If it struggles, we find the cause before recommending a fix.

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A casement window hinge arm and its track on the sill
Hinges

Window Hinge Repair

On casement and awning windows, the sash rides on hinges, typically a pair of metal arms mounted along the top and bottom. Those arms carry the full weight of the sash on every swing. Over years of use they can bend, loosen at the screws, or wear thin where they pivot.

Once a hinge wears, the sash starts to droop. It may scrape the frame, miss its lock, or close unevenly at one corner. Window hinge repair can be a matter of tightening and adjusting what is there, or fitting a new hinge in the matching size and style. A fresh hinge often makes an old crank turn easily again, since the operator is no longer straining against a sagging sash.

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Balances

Sagging Sashes & Balance Service

Hung windows, whether they have one moving sash or two, rely on balances to keep each sash where you set it. If a window slams shut after you raise it, refuses to stay open, or takes real effort to move, look first at the balance system.

There is no single standard balance, and the type matters. Our window balance replacement work covers:

  • Block-and-tackle and channel-style balances
  • Spiral, coil, and constant-force balance designs
  • Balance shoes and pivot shoes that the balances ride on
  • Traditional sash cords and sash weights, plus the pulleys they run over
  • Older counterbalance setups found in earlier window designs
Getting the right replacement means matching the balance type, its length, and the weight it is built to support. A mismatched balance can leave the sash drifting up or sinking down on its own, so we measure first. Very often, the correct balance alone gets the window working normally again.
Cord-and-weight wood windows call for their own methods. To learn how we bring those traditional systems back, see our historical window repair page.
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Tilt Hardware

Tilt Latches & Pivot Bars

Tipping a sash inward for cleaning is handy, but the parts behind it take a beating. Pivot bars, balance shoes, tilt latches, and the related sash hardware all wear and can eventually break.

When a tilt latch sticks, the sash will not tip in at all. When a pivot bar snaps, the sash can slip loose from the frame as it tilts. In most cases each of these parts is replaceable on its own.

Sliding Windows

Sliding Window Rollers & Tracks

A sliding window travels on small rollers that ride along a track. Rollers that have worn flat, or a track that is bent or clogged, make the sash drag, hop, or refuse to move.

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We put in new rollers, straighten or repair the track, and adjust the sash so it travels easily and latches securely. If the window could also use adjusting, new weatherstripping, or a broader tune-up, our window maintenance service covers the rest of it.

European Hardware

European & Tilt-and-Turn Hardware

European-style windows often run on mechanisms quite unlike the American designs most people know. On a tilt-and-turn window, a single handle controls a series of locking points set around the sash. The gearbox, corner drives, and hinges all have to cooperate for the sash to tilt open, swing open, and lock shut.

Sometimes one of these windows jams, will not tilt, will not swing, or will not lock. Usually the cause is an adjustment or a hardware part, not the entire unit. We work on handles, gearboxes, multipoint locks, hinges, and sash adjustment across many European-style windows.

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Parts Matching

Discontinued & Hard-to-Find Window Hardware

Older windows bring a particular headache: tracking down the exact part. Over the years a maker may redesign a component, stop producing it, or drop that window line altogether. Even so, an unavailable part rarely means an unrepairable window.

We work out what a piece of hardware is by studying its design, measurements, markings, mechanism, and job in the window. When the original is out of production, we search for a part that fits and works the same way. Failing that, we look for another sensible way to make the repair. Older balances, locks, crank operators, rollers, and hinges are where this happens most, along with European hardware.

Repair First

Fix the Part First

Our habit is simple. When it can be done, we swap only the part that failed, and the window stays in your wall. A worn-out balance does not condemn the window around it. Neither does a failed crank call for a brand-new casement. Before we suggest any solution, we figure out exactly what went wrong.

As long as the frame, sash, and glass hold up, fixing the hardware tends to be the sensible route. If the glass itself is cracked or fogged, our glass replacement service can often spare the frame and sash as well. Need help with locks, handles, or closers on a door? Our door hardware repair page covers that work.

Our Services

Explore Our Services to Repair, Maintain, and Improve Your Existing Windows and Doors

A casement window operator with a new crank handle

Window Maintenance

Professional window maintenance keeps windows operating smoothly, prevents costly problems, improves energy efficiency, and extends the lifespan of existing systems.

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A smart deadbolt and lever handle on a white entry door

Hardware Maintenance & Replacement

Professional maintenance and replacement for door handles, locks, hinges, closers, and hardware to improve security, performance, reliability, and everyday operation.

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An old wood window with carved trim in a brick wall

Historical Window Repair & Maintenance

Specialized historical window repair preserves original character, restores proper operation, improves performance, and maintains the architectural integrity of older properties.

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A man adjusting a tall wood door in its frame

Interior/Exterior Door Repair & Adjustments

Professional interior and exterior door repair and adjustments to correct sticking, sagging, misalignment, drafts, locking problems, and difficult everyday operation.

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A rotted wood window sill with the paint split open

Rotten Wood Repair & Replacement

Rotten wood repair restores damaged frames, sashes, sills, and trim while preserving usable components and preventing further serious structural deterioration.

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A wood front door with a full glass storm door on the porch of a house

Storm Door Repair & Maintenance

Complete storm door repair and maintenance for hinges, closers, handles, screens, alignment, and seals to restore dependable operation and lasting results.

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A large window with green tinted double pane glass looking out to trees

Low-E Glass Upgrade

Low-E glass upgrades improve insulation, reduce heat transfer, block harmful UV rays, increase comfort, and enhance year-round window energy efficiency.

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The lower part of a sliding patio door in a brick wall

Patio Door Repair & Maintenance

Reliable patio door repair and maintenance for rollers, tracks, locks, handles, alignment, and seals to improve smooth operation and overall reliability.

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Hands patching a torn window screen

Screen Repair & Replacement

Screen repair and replacement restores airflow, visibility, and protection from insects using durable materials fitted accurately to windows and doors.

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A three story office building with glass walls reflecting trees and sky

Commercial Window Service & Repair

Commercial window service keeps business properties secure, functional, and efficient through professional repairs, maintenance, and inspections.

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A wall of new windows in an empty room

Window Installation

Professional window installation ensures proper fit, sealing, operation, and energy performance while improving comfort, durability, and overall property value.

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A red front door with a wreath on a porch with two potted ferns

Interior/Exterior Door Installation

Professional interior and exterior door installation with precise fitting, proper alignment, secure hardware, effective sealing, smooth operation, and attractive results.

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A new insulated glass unit on a work table, with trees reflected in the glass

Glass Replacement

Restore safety, clarity, comfort, and energy efficiency with professional service for damaged, cracked, foggy, or broken window and door glass.

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A fogged and cracked glass unit in a window

Glass Replacement

Whenever practical, we replace only the damaged or failed glass while preserving the components that are still performing properly.

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A sliding screen door panel with new rollers

Screen Repair & Replacement

Our goal is to restore a secure fit, clean appearance, proper airflow, reliable insect protection, and smooth operation.

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A rotted corner of a wood window sash held in a hand

Rotten Wood Repair & Replacement

Rotten or water-damaged wood does not always mean your entire window needs to be replaced.

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Portfolio

Our Work

Testimonials

What People Say

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Questions & Answers

Window Hardware FAQ

Can a lock that won’t engage be fixed?

In most cases it can. Sometimes the lock has failed, and sometimes the sash has shifted just enough that the lock no longer reaches its keeper.

Do you swap out worn cranks on casement and awning windows?

Absolutely. Crank handles and the operators behind them get fixed or replaced across a wide range of awning and casement styles.

The handle turns, but the sash stays still. What has gone wrong?

That points to the operator or another piece of the opening mechanism. Gears strip and operators wear out. Either part can usually be replaced without touching the frame or glass.

What makes a lifted sash drop on its own?

A sash that drops or refuses to stay open nearly always points to a worn or failed balance. Fitting a balance of the right type and size typically solves it, and the window stays.

What does window latch repair involve?

It can mean a new latch, a replacement tilt latch, or a fresh keeper for the latch to close into. We also look at how the sash sits, because a latch that will not catch is often a fit issue rather than a broken part.

My windows have no brand name on them. Can you still help?

Of course. Plenty of homeowners have no idea who made their windows. The existing hardware and the window around it usually give us enough to identify the part or plan the repair.

Can you still get parts for a window line that was discontinued?

We see a lot of older and discontinued hardware. When the exact original cannot be found, we can often source a compatible part that does the same job.

Will a broken lock, crank, or hinge mean replacing the window?

Rarely. Locks, latches, cranks, hinges, and balances are built to be replaced individually. Only a sash or frame that has deteriorated past repair makes a new window worth considering.

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Keep Every Window Opening, Closing & Locking Smoothly

Whether the trouble is a lock, crank, hinge, latch, or balance, WindowFixGuru™ can track down the part that gave out and repair or replace it. Most hardware problems get solved without disturbing the frame, sash, or glass.

Fix the part. Save the window.

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Areas We Serve

Serving 300+ Communities

We cover Nassau County, Suffolk County, Queens County, and New Jersey, plus Upstate New York and Connecticut, including all the listed areas:

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