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Based on 156 reviews

Window Maintenance & Repair

Keep your existing windows operating smoothly, securely, and efficiently with professional window maintenance and repair from WindowFixGuru™. Over time, normal use, weather exposure, building movement, and worn components can affect how a window opens, closes, locks, and seals.

Whenever practical, our goal is to restore the existing window rather than recommend unnecessary replacement.

Emergency services available!

Preventive Window Maintenance for Long-Term Performance

Window maintenance is not simply cleaning tracks or lubricating moving parts. Modern and traditional windows contain mechanical components that work together every time the window is opened, closed, tilted, or locked. Balances support the sash, operators control casement and awning windows, hinges guide movement, and locks and weatherstripping help the window close and seal properly.

As these components wear or move out of adjustment, the window may become increasingly difficult to operate. A sash may start falling down, a casement window may stop closing completely, a lock may no longer line up, or a window that once moved smoothly may begin sticking or rubbing against the frame.

WindowFixGuru™ evaluates the complete operating system to determine what is actually causing the problem. Depending on the condition of the window, the solution may involve adjustment, maintenance, repair, or replacement of individual components rather than replacement of the entire window.

Common Window Problems We Solve

Many window problems begin gradually. A window may become slightly harder to open, stop staying in position, develop a draft, or require extra force to lock. These symptoms are often signs that a mechanical component is wearing out or that the sash is no longer properly aligned.

Addressing these problems early can restore normal operation and may prevent additional damage to the hardware or window system.

A window experiencing one of these problems does not automatically need replacement. In many cases, the issue is isolated to a serviceable component or adjustment.

We commonly service windows that:

Window Hardware & Mechanism Maintenance

The operating hardware inside a window is responsible for much of what homeowners consider normal window operation. When balances, operators, hinges, locks, rollers, or other components begin to wear, the window itself may still be perfectly serviceable even though it no longer works correctly.

For example, a double-hung window that falls down may simply have a failed balance. A casement window that will not close may have a worn operator or alignment problem. A window that refuses to lock may need hardware adjustment rather than a completely new window.

Depending on the window system, WindowFixGuru™ can service, adjust, repair, or replace components such as:

When older hardware is no longer manufactured, we can evaluate the existing system and determine whether a compatible replacement component or alternative solution is available.

Window Adjustment & Realignment

Not every window that operates poorly has a broken part. Windows can gradually shift out of alignment because of normal use, hardware wear, temperature changes, movement within the building, or previous improper adjustments.

Even a relatively small alignment issue can affect several functions at once. The sash may begin rubbing against the frame, the lock may stop lining up with the keeper, weatherstripping
may no longer make proper contact, or the window may require excessive force to open and close.

Professional adjustment is intended to restore the relationship between the sash, frame, hardware, and locking components. When the underlying window system remains in good condition, proper adjustment can often restore smooth operation, secure locking, and a better seal without unnecessary component replacement.

Window Weatherstripping, Drafts & Sealing

A drafty window does not always mean that the entire window has failed. Air infiltration can result from worn weatherstripping, sash misalignment, gaps between operating components,
deteriorated seals, or a window that is simply no longer closing tightly against the frame.

WindowFixGuru™ evaluates the window to determine where the air is entering before recommending a solution. Depending on the condition, service may include replacing worn weatherstripping, adjusting the sash, correcting gaps, servicing hardware, or improving the way the window closes against its existing seals.

Proper maintenance can improve comfort and window performance while preserving an otherwise serviceable window. The important part is identifying the actual source of the problem rather than assuming that every draft requires complete window replacement.

Preventive Window Maintenance

Window maintenance is also valuable before something breaks. Windows contain moving parts that are repeatedly exposed to dust, moisture, temperature changes, and everyday use. Small problems that are easy to correct today can eventually place additional stress on balances, operators, locks, hinges, and other components.

Periodic maintenance gives us an opportunity to inspect window operation, identify developing problems, make necessary adjustments, and service moving components before they fail completely.

Preventive service may include:

Preventive maintenance cannot eliminate normal wear, but it can help existing windows operate properly for longer and reduce the likelihood that minor issues develop into more complicated
repairs.

WindowCare Program™

WindowCare Program™ is WindowFixGuru™’s preventive maintenance service for homeowners, property managers, and commercial properties that want to take a more proactive approach to maintaining their existing windows.

Rather than waiting until multiple windows become difficult to operate or components fail completely, the program allows the window systems to be periodically inspected and serviced.
Developing problems can be identified while they are still relatively minor, and adjustments can be made before unnecessary stress is placed on other components.

Depending on the type and condition of the windows, WindowCare Program™ may include operational inspection, cleaning and appropriate lubrication of moving components, hardware checks, window adjustment, weatherstripping evaluation, drainage checks, and identification of components showing signs of excessive wear.

The purpose is straightforward: keep existing windows operating reliably and extend their useful service life whenever practical.

Repair First — Replace Only When Necessary

One of the most common misconceptions about window problems is that a window that no longer operates properly must be replaced. In reality, many problems originate from individual mechanical components rather than the window as a whole.

A failed balance, worn operator, broken lock, damaged handle, deteriorated weatherstripping, or alignment problem can often be addressed independently. If the frame, sash, and overall
window system remain serviceable, repairing the affected component may be a much more practical solution than replacing the complete window.

WindowFixGuru™ follows a repair-first approach. We evaluate the existing window and recommend maintenance, adjustment, or component repair when it makes practical sense. Complete replacement becomes an option when the overall condition of the window makes repair impractical or when replacement better serves the property owner’s needs.

Why Professional Window Maintenance Matters

Properly maintained windows should open and close smoothly, stay in the intended position, lock securely, and seal correctly. When one part of the system begins to fail, it can affect other components and eventually make the window increasingly difficult to use.

Professional maintenance helps identify the difference between a simple adjustment, a worn component, and a more significant problem. Correcting the actual cause can improve operation,
reduce unnecessary stress on the hardware, help maintain proper sealing, and extend the useful life of the existing window.

For homeowners and property managers with multiple windows, regular maintenance can also provide a clearer picture of which windows need immediate attention and which can continue
operating normally with routine service.

Explore Services to Repair, Maintain, and Improve Your Existing Window and Door

Historical Window Repair & Maintenance

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

Rotten Wood Repair & Replacement

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

Glass Replacement

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

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.

Screen Repair & Replacement

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

Commercial Window Service & Repair

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

Window Installation

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

Hardware Maintenance & Replacement

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

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.

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.

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.

Interior/Exterior Door Installation

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

Our Work

Interior/Exterior Door Installation

Patio Door Installation & Maintenance

Broken Glass Repair

Glass Replacement

What People Say

Lisa M.

Huntington, NY

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“I was convinced I needed to replace my old drafty windows, but WindowFixGuru saved me a fortune by repairing them instead! They sealed the gaps, fixed the locks, and even restored my wooden frames. My home is now warmer, and my energy bills are lower. Highly recommend their honest and professional service!”

Emily D.

Rockville Centre, NY

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“I can’t say enough good things about this company! My storm door was misaligned and wouldn’t close properly, making it useless against wind and rain. WindowFixGuru fixed it in no time, and now it seals perfectly.”

Robert T

Garden City, NY

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“I had a sliding patio door that kept getting stuck, making it nearly impossible to open. WindowFixGuru came in, realigned the track, and replaced the rollers. Now it works like new! The team was on time, knowledgeable, and super friendly. Great service!”

Maria L.

Massapequa, NY

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“After a storm, my window screens were completely ripped, and I thought I’d have to get all new ones. Luckily, WindowFixGuru repaired them quickly and at a great price. They even reinforced the frames to make them more durable.Professional, affordable, and excellent customer service. I’ll definitely be calling them again!”

FAQ

Why won’t my window stay open?

A window that falls down or will not remain open commonly has a problem with its balance system. The balance may be worn, broken, disconnected, or no longer providing enough support for the sash. In many cases, the balance can be replaced without replacing the complete window.

Why is my window suddenly difficult to open or close?

Several conditions can cause difficult operation, including worn balances, damaged operators, sash misalignment, hardware problems, dirt or debris in moving areas, or excessive friction between the sash and frame. The window should be inspected to determine the actual cause before parts are replaced.

Can you repair window balances and operators?

Yes. WindowFixGuru™ services and replaces many types of window balances, casement and awning operators, cranks, handles, and related operating components. The exact repair depends on the window design and availability of compatible replacement parts.

Can you repair a window that will not lock?

In many cases, yes. A locking problem does not necessarily mean the lock itself is broken. The sash may be misaligned, the keeper may have moved, or another hardware component may be preventing the window from closing completely. We determine the cause before recommending the appropriate repair.

Can you replace window weatherstripping?

Yes. When compatible weatherstripping is available, worn or damaged material can often be replaced. We also check window alignment because new weatherstripping alone will not correct a window that is no longer closing or sealing properly.

Do windows really need preventive maintenance?

Windows contain mechanical and moving components that experience normal wear. Periodic inspection, adjustment, cleaning, appropriate lubrication, and hardware checks can help maintain proper operation and identify developing problems before they become more significant.

Do I need to replace the entire window if one component fails?

Not necessarily. Many window problems involve individual serviceable components. When the sash, frame, and overall window remain in serviceable condition, replacing or repairing the affected component can often restore proper operation without replacing the entire window.

Keep Your Existing Windows Working Properly

Whether you have a window that already needs attention or want to maintain your windows before problems develop, WindowFixGuru™ can evaluate the existing system and recommend the appropriate service.

From routine maintenance and adjustments to balances, operators, locks, hardware, weatherstripping, and operating problems, our goal is to help your existing windows continue working properly for as long as practical.

Maintain when possible. Repair when needed. Replace only when necessary.

AREAS WE SERVE

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

Nassau County

Albertson
Atlantic Beach
Baldwin
Bay Park
Bellerose
Bellmore
Bethpage
Carle Place
Cedarhurst
East Atlantic Beach
East Garden City
East Meadow
East Norwich
East Rockaway
Elmont
Farmingdale
Floral Park
Franklin Square
Garden City
Garden City Park
Glen Cove
Glen Head
Glenwood Landing
Great Neck
Great Neck Estates
Great Neck Plaza
Greenvale
Hempstead
Herricks
Hewlett
Hewlett Bay Park
Hewlett Harbor
Hewlett Neck
Hicksville
Inwood
Island Park
Jericho
Kings Point
Lake Success
Lakeview
Lattingtown
Laurel Hollow
Lawrence
Levittown
Locust Valley
Long Beach
Lynbrook
Malverne
Manhasset
Massapequa
Massapequa Park
Matinecock
Mineola
Munsey Park
Muttontown
New Cassel
New Hyde Park
North Bellmore
North Hills
North Lynbrook
Oceanside
Old Bethpage
Old Brookville
Old Westbury
Oyster Bay
Oyster Bay Cove
Plainview
Plandome
Plandome Heights
Plandome Manor
Point Lookout
Port Washington
Rockville Centre
Roosevelt
Roslyn
Roslyn Estates
Roslyn Harbor
Roslyn Heights
Saddle Rock
Salisbury
Sands Point
Sea Cliff
Seaford
Searingtown
South Hempstead
Stewart Manor
Syosset
Thomaston
Uniondale
University Gardens
Valley Stream
Wantagh
West Hempstead
Westbury
Williston Park
Woodbury
Woodmere

Suffolk County

Amagansett
Amityville
Aquebogue
Babylon
Bay Shore
Bayport
Bellport
Blue Point
Bohemia
Brentwood
Bridgehampton
Brightwaters
Brookhaven
Calverton
Center Moriches
Centereach
Centerport
Central Islip
Cold Spring Harbor
Commack
Copiague
Coram
Cutchogue
Deer Park
Dix Hills
East Hampton
East Islip
East Marion
East Moriches
East Northport
East Patchogue
East Quogue
East Setauket
Eastport
Farmingville
Fishers Island
Greenlawn
Greenport
Hampton Bays
Hauppauge
Holbrook
Holtsville
Huntington
Huntington Bay
Huntington Station
Islandia
Islip
Islip Terrace
Jamesport
Kings Park
Lake Grove
Lake Ronkonkoma
Laurel
Lindenhurst
Manorville
Mattituck
Medford
Melville
Miller Place
Montauk
Moriches
Mount Sinai
Nesconset
New Suffolk
North Babylon
Northport
Oakdale
Ocean Beach
Orient
Patchogue
Peconic
Port Jefferson
Port Jefferson Station
Quogue
Remsenburg
Riverhead
Rocky Point
Ronkonkoma
Sag Harbor
Sagaponack
Saint James
Sayville
Selden
Shelter Island
Shirley
Smithtown
Sound Beach
South Jamesport
Southampton
Southold
Stony Brook
Wading River
Water Mill
West Babylon
West Islip
West Sayville
Westhampton
Westhampton Beach
Yaphank