Compare the highest-rated windows professionals in Islip, New York. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading franchise known for its volume-based model, offering a wide array of vinyl replacement windows at competitive prices. They emphasize energy efficiency and a streamlined installation process, making them a popular choice for homeowners looking for value and performance without custom architectural needs.
A highly-rated local contractor known for personalized service and expertise in both standard and custom window projects. They work with various window brands and materials, offering solutions tailored to the specific style and performance needs of Suffolk County homes, including historic properties.
The premium custom division of the renowned Andersen Corporation. They specialize exclusively in high-end, custom-made windows and doors. Their service is full-service, from consultation to installation, using their own proprietary Fibrex® material, which offers superior durability and energy efficiency. They are a top choice for homeowners seeking a long-term, no-compromise solution.
** The window service market in Islip, NY, is robust and competitive, reflecting the broader Long Island home improvement sector. The quality of providers is generally high, driven by stringent New York State licensing requirements and a discerning homeowner base. The competition is divided between large, efficient franchises (like Window World) and specialized, high-end custom fabricators (like Renewal by Andersen), with many reputable local contractors (like All Island Exterior Solutions) occupying the middle ground. Typical pricing ranges widely based on project scope and window quality. A standard vinyl double-hung replacement window installation can range from **$600 - $1,200 per window**, including installation. Full-frame new construction or high-end custom wood or composite windows (e.g., from Renewal by Andersen) can cost **$1,500 - $2,500+ per window**. The prevalence of older homes in the area creates consistent demand for skilled repair services and energy-efficient upgrades to combat high Long Island energy costs. Homeowners are generally well-informed and prioritize quality installation and long-term warranties.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Islip regulations and climate
Get answers to common questions about windows services in Islip, New York.
For a standard vinyl double-hung window replacement in Islip, homeowners can expect to pay between $600 and $1,200 per window, including professional installation. The final cost is heavily influenced by the window material (vinyl, wood, fiberglass), size, style (e.g., picture vs. double-hung), energy efficiency features, and the condition of the existing frame. Local factors like Islip's coastal climate also play a role, as impact-resistant or upgraded windows to withstand nor'easters and salt air may increase the investment but provide long-term durability and energy savings.
For an average-sized Islip home, a professional crew can typically complete a full window replacement in 1-3 days, depending on the number of windows and complexity. The best times to schedule are late spring and early fall to avoid the peak humidity of summer and the cold, unpredictable weather of winter. However, reputable local installers work year-round; scheduling well in advance is key, especially before the busy season leading into winter when demand spikes for energy efficiency upgrades.
Yes, Islip Town requires a building permit for window replacements if you are altering the rough opening size or if the work is part of a larger renovation. Even for like-for-like replacements, it's crucial to hire a licensed contractor who is familiar with the New York State Energy Conservation Code (NYSECC) and local Islip Town codes, which dictate requirements for energy efficiency, egress (for bedrooms), and, in flood zones, specific materials. A reputable local installer will handle this permitting process for you.
Prioritize companies that are licensed, insured, and have a strong physical presence or proven track record in Suffolk County. Look for certifications from major window manufacturers and check for membership in local organizations like the Islip Chamber of Commerce. Always ask for references from recent Islip-area projects and verify they provide detailed, written estimates. Given our coastal environment, inquire about their experience with proper flashing techniques and sealing to prevent water intrusion and air leaks common in our windy, wet climate.
For Islip's climate—cold winters, humid summers, and exposure to coastal storms—look for windows with a low U-factor (for insulation) and low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Dual-pane glass with Low-E coatings and argon gas fill is standard for efficiency. For durability, vinyl or fiberglass frames resist salt-air corrosion well. For homes near the coast, consider impact-resistant laminated glass or certified storm windows to protect against high winds and flying debris during nor'easters and hurricanes.