WINDOWS, SIDING, ROOFING, ENTRY DOORS, STORM DOORS, PATIO DOORS AND GARAGE DOORS!
Welcome to Window World,
America’s Largest Remodeling Company!
Worried about Cold Weather??? No problem!!!
Welcome to Window World, America’s Largest Replacement Windows Company! Serving the entire United States, with over 200 store locations, Window World installs over 1 million replacement windows annually. We are the home of the original $189 replacement window deal, and we strive to provide the highest quality vinyl replacement windows at the lowest possible prices.
Window World replacement windows beautify & modernize homes, while lowering your energy costs through our energy efficiency technology & heat saving design. Economically designed to minimize effective heat loss, Window World Low-E replacement windows are made of the highest quality insulated plastic and vinyl. Replacing older windows with new NFRC rated replacement windows will also qualify customers for the U.S. Government sponsored Tax Incentive Credit Program.
Due to their 
superior quality product design, our high quality replacement windows are Energy Star Certified & have earned the prestigious Good Housekeeping Seal. Our replacement windows are the perfect substitute for broken, drafty, or just outdated windows. We also offer a full line of replacement doors & vinyl siding
Premium Vinyl Siding
Window World as Seen on American Chopper!
Come check out Window World of Long Island's newly updated showroom and see our beautiful products:
33 Hempstead Turnpike Farmingdale, NY 11735
Showroom Hours: Monday - Friday 9:30 AM - 5:00 PM
Saturday 9:30 AM - 12:00 Noon
Sunday by appointment only
Appointment times vary for your convenience.