516-908-8005
Google reviews that we have
Rating
4.8
631 reviews
tracy TC
1 day ago
This is a very professional company who’s communicated well. They did an excellent job
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stephen stone
2 days ago
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Anthony Ruocco
2 days ago
Terrific glass replacement Job! Windows look like new, at a fraction of new windows. Max did an exce...
Terrific glass replacement Job! Windows look like new, at a fraction of new windows. Max did an excellent job.
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Kevin McSweeney
3 days ago
Great job thank you very much
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Wayne
3 days ago
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Joseph Moyik
3 days ago
Replaced balance strings on 6 windows. They worked professionally and the windows work beautifully....
Replaced balance strings on 6 windows. They worked professionally and the windows work beautifully. I highly recommend them.
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Vidya Desai
3 days ago
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Jerry Feldbau
3 days ago
This was my first time using Prestige. I noticed their truck on the road and there was enough info a...
This was my first time using Prestige. I noticed their truck on the road and there was enough info as to what they do printed on the truck to satisfy what was looking for. I called and they sent a very nice gentleman (owner) and we discussed my repair job and came to a reasonable price. Was told 2- 4 weeks and they were ready within that promised time. They called and we agreed to a time and day to do the job. Their men were very respectful of my house and property and did the job quickly and neatly to my 100% satisfaction. I definitely will call them again for my window and door work in the future!
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Karolina Karpisz
3 days ago
Professional and trustworthy
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Gloria Donohue
3 days ago
I was very pleased With the work that was done. They arrived on time did the work exactly as they ex...
I was very pleased With the work that was done. They arrived on time did the work exactly as they explained they would cleaned up completely before they left and everything is working fine thank you again
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Window Glass Replacement in Nesconset, NY

Not every fogged window repair call is a standard opening. This one in Nesconset was a large fixed picture window set into a vaulted two-story great room — the kind of window a room is built around. The IGU seal had failed. Dense internal haze covered the upper glass surface. No cleaning resolves that. The contamination is between the panes, and the only correct fix is replacing the unit.

The project was completed during a full interior renovation — which is one of the most common triggers for IGU replacement in Suffolk County. Fogged glass that gets tolerated for years becomes impossible to accept alongside new paint and finishes. The after photo shows the result: the same two-story assembly, surrounding walls repainted charcoal, upper glass completely clear. Blue sky and bare branches sharp through a window that was designed to be the focal point of the space.

We serve Nesconset from our Hauppauge office. Homeowners searching for window glass replacement near me in Nesconset, NY can reach us at 516-908-8005 — free estimate, 10-year warranty on every IGU installation.

Why Large-Format IGU Replacement Needs More Than Standard Practice

Large fixed picture windows in Nesconset’s custom 1980s–1990s construction are almost never standard catalog dimensions. The replacement unit must be measured from the actual installed opening — frame rebate depth, glazing channel profile — and custom cut to those exact dimensions via our glass cutting service. An undersized or oversized unit cannot be correctly seated.

Installation technique matters too. A large-format IGU carries significant weight. Edge blocks must be positioned correctly at the lower corners to distribute load evenly — incorrect installation creates point stress at the corners and shortens the lifespan of the new unit. We also discuss Low-E specification at every large-format estimate. On a window this size, the energy performance difference between standard clear and Low-E coated glass is not marginal. It is worth the conversation before ordering.

Why Nesconset’s Custom Homes Are Reaching This Point Now

Nesconset’s larger homes were built or comprehensively renovated through the 1980s and 1990s. The large-format IGUs installed during that period are now 25–40 years old — squarely at the end of their first seal cycle. Long Island’s inland freeze-thaw cycling works factory edge seals loose over decades. The fogging arrives seemingly suddenly, but the seal failure began well before any haze was visible. It is a predictable end point for this construction era, appearing now across Nesconset, Smithtown, and surrounding western Suffolk communities simultaneously.

Our glass replacement service handles all dimensions — custom-cut glass ordered and installed on a confirmed date, 10-year warranty on the new unit. Nassau County Consumer Affairs Home Improvement License #204701 for Doors & Windows — verifiable through Nassau County before you call.

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Window Glass Replacement in Nesconset, NY
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10-Year IGU Warranty

Every glass unit we install is warranted for 10 years in writing. Fogs again, we replace it.

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Licensed Contractor

Nassau County Consumer Affairs License #204701 — Doors & Windows. Verifiable before you hire us.

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Suffolk County Local

Hauppauge office serves Nesconset directly. Fast scheduling, no travel overhead.

View our before and after photos

Before Window Glass Replacement in Nesconset, NY - before After Window Glass Replacement in Nesconset, NY
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THE MOST POPULAR QUESTIONS

Can you replace just the glass in a large picture window?
Yes — if the frame is sound, we replace the IGU only. The frame, trim, and surrounding architecture stay untouched.
How long does custom glass take to arrive?
7–14 business days for non-standard dimensions. We confirm the lead time at the estimate visit and schedule installation when the glass is ready.
Should I upgrade to Low-E when replacing a fogged picture window?
Worth discussing. On a large window the energy performance difference is meaningful — we give you the option and the cost difference at the estimate stage.
Who does large window glass replacement in Nesconset, NY?
Prestige Window Works — Hauppauge office, serving all of western Suffolk County. Call 516-908-8005.
Are you licensed for glass replacement work in Suffolk County?
Yes. Nassau County Consumer Affairs License #204701 for Doors & Windows, verifiable through Nassau County directly.
Schedule Your Window / Door Repair in Nassau or Suffolk County
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