Replacement Windows
Long Island

King Quality is Long Island’s only distributor of
gold label-certified Simonton 9800 windows.


Experience a lifetime of beauty, performance and energy efficiency.

Bring out the best in your home with elegant windows designed to shrink your heating costs and cut down noise. Our exclusive partnerships and affordable financing makes your dream of owning the highest rated windows a reality. We make our custom windows fit your home — rather than make your home fit the windows. It’s all part of the King Quality difference. Our new Long Island windows are affordable and will help keep your house warmer. We provide window installation on Long Island by our team of professionals who are highly trained by the manufacturer to follow the standards that empower us to offer the industry’s best warranties. King Quality is Long Island’s exclusive distributor of Simonton 9800 windows for your home.

In addition to offering replacement windows on Long Island, King Quality also offers roofing, siding, gutter guard and attic ventilation installation. We serve Nassau and Suffolk counties in Long Island, NY. Contact us to schedule a free consultation. Your home deserves the best, call 631-573-0642 with questions.

Quality icon We build our
windows tough
Double the strength means windows, screens and frames are guaranteed for life.
Efficiency icon Cut your energy
costs all year
Exclusive insulated glass options maximize year-round comfort and minimize utility bills.
Performance icon Stop thermal bridging
at the source
Multi-chambered construction fortifies your window frame with strength and durability.

Complement any décor

Stand out in the neighborhood with a wide range of designer options. Let our experts complement your exterior with a custom color or upgrade your windows with wood grain veneer. Our Long Island windows elevate the inside of your home just as much as the outside. Pull any room together with our premium-grade, decorative locks and lift handles available with twice the design options at half the price.


Finance your dream home

Start today. Pay tomorrow.

No interest for five years. Go to financing page.
No interest for five years!

Affordable quality means you can pay your way—without the wait.

One year No interest No payments. Go to financing page.
One year. No interest. No payments.

5.99% interest rate after first year.

*Only on Simonton 9800 series, KingWall & Millenium 7 part roofing system.

Approval in 30 seconds or less.

More than 95% of our applicants get approved. So your dream home is just a quick phone call away.

Get Started

4 Easy Steps to Royal Treatment

  • Speak to a specialist
    to see if you qualify.
  • Meet a professional
    inspector at your home
  • Get an estimate
    (Good for one year)
  • the hard part.
    picking a color
  • This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.