Window Installation Long Island

No More Drafts, Ever

Professional window installation that eliminates cold spots and cuts your energy bills. We’re licensed contractors serving Nassau and Suffolk Counties with energy-efficient vinyl windows built for Long Island’s climate.
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Licensed Crews Only

Our fully licensed, bonded, and insured professionals handle every installation with proper permits and expertise.

Over 20 Years Experience

Two decades serving Long Island homeowners with reliable window installation and home improvement services.

Beat Any Written Quote

We guarantee competitive pricing and will beat any legitimate written estimate from licensed contractors.

24/7 Emergency Service

Round-the-clock availability for urgent repairs and emergency window installation needs throughout the year.

Cedar Shake Siding Installation

Professional Window Installation Services

Windows Built for Long Island Weather

Long Island’s climate demands windows that can handle everything from summer heat to winter storms. Our energy-efficient vinyl windows are specifically chosen for our Northern Climate zone, meeting ENERGY STAR requirements with U-values of 0.27 or lower.

Every installation includes proper sealing, flashing, and weatherproofing to prevent the drafts and moisture issues that plague so many homes here. You get windows that actually work the way they’re supposed to—keeping your home comfortable year-round while cutting your energy costs.

Energy Efficient Window Benefits

What You Actually Get

Real improvements you’ll notice from day one, not just marketing promises.

Your energy bills drop immediately as heated and cooled air stays where it belongs.

Every room feels comfortable—no more cold spots by windows or overworked HVAC systems.

Furniture and flooring stay protected from UV damage with Low-E glass coatings.

Outside noise gets blocked so you can actually enjoy peace inside your home.

Windows open and close smoothly without the fighting and frustration of old frames.

Zero maintenance required—vinyl frames never need painting, scraping, or weather treatments.

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If you requested an online quote, you can expect a callback within 24-48 hours of your request.

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Window Installation Picture

Vinyl Window Installation Nassau County

Why Vinyl Works Here

Vinyl windows make sense for Long Island homes because they’re built to handle our coastal climate without the constant maintenance that wood requires. Salt air, humidity, and temperature swings don’t phase quality vinyl frames.

The energy efficiency is real too. Double or triple-pane glass with Low-E coatings and argon gas fill creates an insulation barrier that wood and aluminum can’t match. Your HVAC system works less, your bills stay lower, and you stay comfortable.

Plus installation is cleaner and faster. No custom fitting or extensive carpentry work—just precise measurements and professional installation that gets your home back to normal quickly.

Home Window Contractor Suffolk County

What's Included in Every Installation

Every window installation includes complete removal of your old windows, proper disposal, and thorough cleanup. We handle all permits and inspections required in Nassau and Suffolk Counties.

Your new windows come with professional weatherproofing, quality caulking, and proper flashing to prevent water intrusion. Interior and exterior trim work is included to give you a finished look that matches your home’s style.

All installations are backed by manufacturer warranties on the windows themselves plus our workmanship guarantee. If something isn’t right, we fix it—no questions asked.

A worker in a green shirt and overalls stands on a ladder, installing a windowpane in a white room. As a roofing contractor Long Island, he wears gloves and a cap, with the window frame open to a clear blue NY sky.
Window Installation FAQs

Common questions about Window Installation

Most residential window installations take one to two days depending on the number of windows and your home’s construction. Single-story homes with standard window sizes usually complete in one day, while two-story homes or homes requiring additional carpentry work may take two days. We work efficiently to minimize disruption to your daily routine and always clean up completely each day. Weather conditions can occasionally affect scheduling, but we’ll keep you informed of any changes and work around your schedule as much as possible.
Replacement windows are designed to fit into your existing window frames, making installation faster and less expensive. They’re perfect for most Long Island homes where the existing frames are in good condition. New construction windows include the entire frame and are used when building new homes or when existing frames need complete replacement due to damage or rot. For most homeowners, replacement windows provide the same energy efficiency and functionality at a lower cost with less disruption to your home’s interior and exterior.
Yes, properly installed energy-efficient windows can reduce your heating and cooling costs by 25-30% according to the Department of Energy. In Long Island’s climate, this translates to real savings year-round. Old windows with single-pane glass or damaged seals let conditioned air escape constantly, forcing your HVAC system to work harder. New double or triple-pane windows with Low-E coatings and proper sealing create an effective thermal barrier. Most homeowners notice the difference in comfort immediately and see the savings on their next utility bill.
Window replacement typically doesn’t require permits if you’re replacing windows with the same size and type. However, if you’re changing window sizes, adding new windows, or making structural changes, permits may be required. As a licensed contractor, we handle all permit applications and inspections when needed. We’re familiar with local building codes in both Nassau and Suffolk Counties and ensure all work meets current requirements. This protects you from potential issues when selling your home or filing insurance claims.
Several signs indicate it’s time for window replacement: visible drafts or feeling cold air around closed windows, condensation between glass panes in double-pane windows, windows that are difficult to open or won’t stay open, high energy bills despite a well-maintained HVAC system, and exterior frames showing rot, warping, or paint failure. If your windows are over 15-20 years old, replacement is usually more cost-effective than ongoing repairs. We provide free assessments to help you determine whether repair or replacement makes the most sense for your situation and budget.

Free In-Home Assessment

We measure your windows and assess your specific needs without any sales pressure or obligations.

Custom Manufacturing & Scheduling

Your windows are custom-made to exact specifications and installation is scheduled at your convenience.

Professional Installation & Cleanup

Our licensed crews install your windows properly and clean up completely—your home stays livable throughout.

Cities we provide Window Installation In