Brand parts and glass · Nassau & Suffolk
Andersen Window And Door Repair
Free on-site estimate. Licensed and insured in Nassau and Suffolk, with offices in Manhasset and Hauppauge.
Andersen is the most widely installed premium window brand in Long Island's residential housing stock. The 400 Series double-hung and casement windows installed during Nassau and Suffolk County's major renovation wave of the 1980s and 1990s are now 30–40 years old, at or past the service threshold for balance cartridges, casement operators, IGU seals, and weatherstrip. The A-Series units that followed them into the 2000s and 2010s are entering their first mechanism service cycle.
What sets Andersen repair apart from generic window service is parts specificity. Andersen's hardware, balance cartridges, operator assemblies, sash lift hardware, latch mechanisms, is manufacturer-specific. A generic balance cartridge does not fit an Andersen 400 Series frame correctly. A substitute casement operator does not engage the Andersen cam system at the correct geometry. The repair has to use the correct component, or it fails again within a season.
Prestige Window Works stocks original-specification replacement parts for Andersen's most common failure components throughout Long Island. In most cases, the part your window needs is on our van at the estimate visit, which means Andersen window repair in Nassau and Suffolk County completed in a single appointment, not a two-visit process with a 2–3 week parts wait in between. Call 516-908-8005 for a free estimate.
4.9★649+ Google reviews
A+BBB accredited
LicensedNassau & Suffolk, fully insured
5 & 10 yrwarranties on wood and glass units
Where we do this work
All over Nassau and Suffolk, from our offices in Manhasset and Hauppauge out to the Hamptons and the North Fork.
Nassau County →
Garden City · Massapequa · Rockville Centre · Great Neck · Port Washington · Merrick
The East End →
The Hamptons, Sag Harbor, the North Fork, Greenport and Riverhead
4.9 stars from 649+ Google reviews
What homeowners say
So we had Andersen sliding door that won’t slide at all.The two guys came and did wonderful job.They replaced parts and adjusted my door.Now it works perfectly.Thank you Prestige.
Arthur WeisbergVery promenade professional service.They fixed many of our Andersen windows. Highly recommend.
ACME Home CarePrestige Window came to replaced the balancer from old Andersen windows. Great work and reasonable price.
Jimmy EngAndersen Window Problems We Fix
Andersen windows fail in predictable ways depending on their product line and age. These are the conditions we diagnose and repair most consistently across Long Island's 400 Series and A-Series stock.
Casement Operator Failure
The crank turns freely but the sash does not move, or moves with significant resistance before the operator strips. Andersen 400 Series casements use Truth Encore and Torrent operator assemblies that are specific to the window generation. We carry both and replace on-site in a single visit via our window mechanism repair service.
Balance Cartridge Wear
Andersen 400 Series double-hung sashes that drop closed on their own, will not stay open at a set position, or require effort to raise: balance cartridges worn out after 25–40 years of daily cycling. Andersen uses spiral (tube) balance cartridges in 400 Series double-hungs, sized to the sash weight and window height. We carry replacement cartridges across the full Andersen 400 Series size range. Replacement is completed on-site without removing the window from the frame.
Sash Tilt Latch Failure
Andersen double-hung sash tilt latches that no longer engage the pivot bar correctly: sash tilts unexpectedly during normal operation or will not tilt in for cleaning. A parts-specific repair: Andersen tilt latch hardware is not interchangeable with other brands. Replaced on-site via our window mechanism repair service.
Weatherstrip and Seal Compression
Andersen sash weatherstrip that has compressed past recovery after decades of use: window closes and latches but no longer seals against cold air or noise. Andersen uses proprietary pile and foam weatherstrip profiles that require Andersen-compatible replacement material for a correctly sealed result. Not a generic weatherstrip stapled over the original.
Hardware Corrosion
Andersen latch hardware, operator handles, and sash lifts showing corrosion, particularly on south and coastal-facing units in Nassau County's South Shore communities where salt air accelerates metal degradation. Hardware replacement matched to the Andersen generation and finish specification.
Frame Perimeter Failure
Cracked or missing exterior caulk at the Andersen frame-to-siding junction, allowing water entry that compromises the frame perimeter and contributes to the fogged glass and mechanism failure described above. Our window recaulking service reseals the full frame perimeter with correctly specified exterior sealant appropriate to the Andersen frame material.
Fogged Double-Pane Glass
IGU seal failure in Andersen 400 Series and A-Series windows: the most common Andersen repair call from Long Island. Internal fogging, mineral staining, or haze between the glass layers means the edge seal has failed after 25–40 years of thermal cycling. The Andersen frame is almost always still structurally sound. Our glass replacement service replaces the IGU only: original frame retained, 10-year warranty on the new unit. Non-standard Andersen IGU dimensions are measured on-site and ordered to specification.
Andersen Product Lines We Service on Long Island
Andersen has produced multiple distinct product lines across decades of residential construction, each with its own hardware specifications and failure profile. Here is what we encounter most consistently across Long Island's housing stock:
400 Series
The most common Andersen product in Long Island's 1980s–2000s renovation stock. Double-hung, casement, awning, and gliding configurations. Spiral balance and block-and-tackle balance systems in double-hung units. Truth Encore and Torrent operators in casements and awnings. The 400 Series is now producing the highest volume of mechanism and IGU service calls across Nassau and Suffolk County: balance cartridge wear, operator failure, and fogged glass are the consistent failure modes at the 25–40 year service age.
A-Series (formerly Architectural Series)
Premium wood and wood-clad units installed in Long Island's higher-specification renovations and new construction from the 1990s onward. A-Series hardware is distinct from 400 Series: the balance systems, operator assemblies, and latch hardware are not interchangeable. We carry A-Series specific components for both double-hung and casement configurations.
E-Series (Eagle)
Fibreglass composite frame windows installed in select Long Island properties. The E-Series uses different hardware profiles from the wood and wood-clad lines. Mechanism service on E-Series units requires E-Series specific components, not 400 Series substitutes.
Andersen Patio and Gliding Doors
400 Series and A-Series sliding patio doors throughout Long Island. Roller wear is the dominant failure mode: doors that have become difficult to slide or that jump the track after decades of use. We carry replacement roller assemblies for both product lines and complete roller service without track modification in most cases.
Andersen Storm Doors
Full-view and ventilating storm door closer service, hardware replacement, and insert glass replacement. Andersen storm door closer wear is one of the most consistent service calls from Long Island properties: pneumatic closers lose hydraulic resistance after sustained use and require replacement rather than adjustment.
400 Series
The most common Andersen product in Long Island's 1980s–2000s renovation stock. Double-hung, casement, awning, and gliding configurations. Spiral balance and block-and-tackle balance systems in double-hung units. Truth Encore and Torrent operators in casements and awnings. The 400 Series is now producing the highest volume of mechanism and IGU service calls across Nassau and Suffolk County: balance cartridge wear, operator failure, and fogged glass are the consistent failure modes at the 25–40 year service age.
A-Series (formerly Architectural Series)
Premium wood and wood-clad units installed in Long Island's higher-specification renovations and new construction from the 1990s onward. A-Series hardware is distinct from 400 Series: the balance systems, operator assemblies, and latch hardware are not interchangeable. We carry A-Series specific components for both double-hung and casement configurations.
E-Series (Eagle)
Fibreglass composite frame windows installed in select Long Island properties. The E-Series uses different hardware profiles from the wood and wood-clad lines. Mechanism service on E-Series units requires E-Series specific components, not 400 Series substitutes.
Andersen Patio and Gliding Doors
400 Series and A-Series sliding patio doors throughout Long Island. Roller wear is the dominant failure mode: doors that have become difficult to slide or that jump the track after decades of use. We carry replacement roller assemblies for both product lines and complete roller service without track modification in most cases.
Andersen Storm Doors
Full-view and ventilating storm door closer service, hardware replacement, and insert glass replacement. Andersen storm door closer wear is one of the most consistent service calls from Long Island properties: pneumatic closers lose hydraulic resistance after sustained use and require replacement rather than adjustment.
Original Andersen Parts
Most window repair contractors follow the same process: diagnose at the estimate visit, order the part, return 2–3 weeks later to install. For Andersen windows specifically: where balance cartridges are sized to the specific sash weight and operator assemblies are generation-specific, ordering the wrong part is a frequent outcome when contractors work from memory rather than measurement.
Prestige Window Works stocks original-specification replacement components for Andersen's highest-volume failure parts across Long Island:
When the part is already on the van, the estimate visit becomes the repair visit. One appointment, problem identified, problem solved, warranty provided. That is the standard we hold ourselves to for Andersen window repair across Nassau and Suffolk County.
Prestige Window Works stocks original-specification replacement components for Andersen's highest-volume failure parts across Long Island:
- 400 Series spiral balance cartridges: full size range from 15" to 44" window height
- Truth Encore casement operators: right and left hand, standard and extended arm
- Truth Torrent casement operators: current production replacement
- 400 Series tilt latch hardware: standard and narrow sash profiles
- Andersen patio door roller assemblies: 400 Series and A-Series gliding door configurations
- A-Series balance systems: weight-based cartridge selection
When the part is already on the van, the estimate visit becomes the repair visit. One appointment, problem identified, problem solved, warranty provided. That is the standard we hold ourselves to for Andersen window repair across Nassau and Suffolk County.
Andersen B/A Projects
Andersen Window Glass Replacement in Manhasset, NY: Andersen 400 Series IGU replacement on a Nassau County North Shore property, failed seals producing internal fogging across multiple units. Glass replaced unit by unit, original Andersen frames retained throughout, 10-year warranty on every installation. The type of job that arrives on a single visit when the correct IGU specifications are measured on-site rather than estimated.
Andersen Door Restoration in Greenport, NY: Andersen sliding door restoration on a salt-exposed North Fork property in Greenport: frame seal failure, threshold replacement, and weatherstrip service on a door that had been taking the full coastal exposure of the Long Island Sound. This project is a direct example of what accelerated salt air degradation produces on Andersen hardware and seals in Suffolk County's North Fork communities, and what correct restoration, rather than full door replacement, looks like.
Andersen Door Restoration in Greenport, NY: Andersen sliding door restoration on a salt-exposed North Fork property in Greenport: frame seal failure, threshold replacement, and weatherstrip service on a door that had been taking the full coastal exposure of the Long Island Sound. This project is a direct example of what accelerated salt air degradation produces on Andersen hardware and seals in Suffolk County's North Fork communities, and what correct restoration, rather than full door replacement, looks like.
Andersen Window Repair Across Suffolk And Nassau County
Get a free quote
Andersen is the window brand we service most frequently across Long Island, in both counties, across all construction eras, at every price point.
We operate from two Long Island offices, Manhasset for Nassau County and Hauppauge for Suffolk County, covering the full market. Communities where Andersen service calls are most consistent include Great Neck, Manhasset, Garden City, Rockville Centre, Jericho, Syosset, and Melville. For Andersen window repair near me or Andersen window parts on Long Island, call 516-908-8005.
THE MOST POPULAR QUESTIONS
Who repairs Andersen windows on Long Island?
Prestige Window Works: Manhasset office (Nassau County) and Hauppauge office (Suffolk County). We stock original-specification Andersen parts and complete most repairs in a single visit. Call 516-908-8005.
My Andersen casement crank turns but the window won't open. What is wrong?
The operator assembly has failed internally: the crank mechanism has stripped and is no longer transferring force to the sash. Andersen 400 Series casements use Truth Encore or Torrent operators depending on the production year. We carry both and replace on-site. The frame and glass stay untouched.
My Andersen double-hung sash drops closed on its own. Is that the balance?
Yes. The spiral balance cartridge has worn out after decades of use. Andersen 400 Series balance cartridges are sized to the specific sash weight and window height: the correct cartridge must be matched by measurement, not estimated. We carry the full size range and replace on-site in most cases.
Do you carry Andersen parts or do you have to order them?
We stock original-specification Andersen parts for the highest-volume failure components across the 400 Series and A-Series product lines. In most cases the part your window needs is already on the van at the estimate visit. Non-standard sizes and less common components are ordered and installed on a confirmed return date.
My Andersen windows are fogging between the panes. Do I need new windows?
No: only the glass unit needs replacing. The Andersen frame from the 1980s or 1990s installation is almost always still structurally sound. We replace the IGU only, leave the frame intact, and back the new glass with a 10-year warranty.
Where can I get parts for Andersen windows?
When we provide an estimate and complete the repair, all required parts and mechanisms are already included in the price. You do not need to order or source anything yourself.
What are some common problems with Andersen windows?
The jobs we see most: casement operators that spin, worn balances in double-hungs, foggy glass units, and rot on the sills and sash bottoms of older Andersen wood windows.
Can Andersen casement windows be repaired?
Yes. Most Andersen casement problems, whether the crank, a hinge, the lock or the glass, can be fixed without replacing the window.
What is the average lifespan of Andersen windows?
Well-kept Andersen windows often last decades. The parts that wear (operators, balances, weatherstripping, glass seals) can be replaced for far less than a new unit.