The Best Window Installers in Islandia, NY

Compare the highest-rated windows professionals in Islandia, New York. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Renewal by Andersen of Long Island

4.8
(450 reviews)
Verified

As the local branch of a nationally recognized brand, they specialize in premium, custom-built, energy-efficient replacement windows. They offer a full-service experience from in-home consultation to professional installation, backed by strong warranties. Their windows are known for high quality and durability.

235 Schmitt Blvd, Farmingville, NY 11738 (This is their primary local office and showroom)

Specialties & Features

Energy-efficient windows
Custom window solutions
Full-window replacement

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Windowrama

4.6
(300 reviews)
Verified

A family-owned and operated Long Island staple for over 35 years, Windowrama has a strong reputation for quality and value. They offer a wide variety of window brands and types, including their own line, catering to different budget ranges while focusing on professional installation and repair services.

501 Smithtown Bypass, Hauppauge, NY 11788

Specialties & Features

Residential window replacement
New window installation
Window repair services

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#3

All Island Exteriors

4.7
(200 reviews)
Verified

While they are a full-service exterior contractor (roofing, siding), their window division is highly rated and extensively serves Suffolk County. They are known for professional project management, high-quality installation, and offering a range of energy-efficient and security window options from leading manufacturers.

100 Radio Circle, Suite 302, Mt. Sinai, NY 11766

Specialties & Features

Energy-efficient windows
Security windows
Custom window solutions

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Islandia

** The windows market in the Islandia and broader Suffolk County area is robust and highly competitive. The quality of service providers is generally high, driven by a discerning homeowner base and the specific weather demands of Long Island, including storms and a desire for energy efficiency due to high utility costs. * **Competition Level:** High. Homeowners have a wide choice between large, branded franchises (like Renewal by Andersen, Pella) and long-standing local contractors (like Windowrama, All Island Exteriors). This competition benefits consumers in terms of service quality and options. * **Average Quality:** The market is bifurcated. There is a strong premium segment focused on top-tier materials, custom solutions, and maximum energy savings (e.g., fibreglass, composite, triple-pane). There is also a very active value segment offering quality vinyl windows that provide excellent performance for the price. * **Typical Pricing:** Pricing is on the higher end compared to national averages, reflecting the higher cost of living and business operations on Long Island. A standard vinyl double-hung window replacement can range from $600-$1,200 per window, including installation. Premium custom windows can easily range from $1,200 to over $2,500 per window. Most reputable companies provide free, no-obligation in-home estimates.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Islandia regulations and climate

Frequently Asked Questions About Windows in Islandia

Get answers to common questions about windows services in Islandia, New York.

1What is the typical cost range for a full home window replacement in Islandia, and what factors influence the price?

For a standard single-family home in Islandia, a full window replacement typically ranges from $15,000 to $30,000+, but this varies widely. Key cost factors include the number and size of windows, the material (vinyl, wood, fiberglass), energy efficiency ratings (crucial for Long Island's cold winters and humid summers), and the complexity of installation in your specific home's architecture. Local labor costs and compliance with Suffolk County building codes also impact the final price.

2When is the best time of year to schedule window installation in Islandia, NY?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather on Long Island, which is optimal for installation and allows your home to be temporarily open without extreme indoor temperatures. While many installers work year-round, scheduling in these off-peak seasons can sometimes lead to better availability and pricing compared to the high-demand summer months.

3Are there specific local building codes or permits required for window replacement in Islandia?

Yes, in most cases. The Village of Islandia may require a building permit for window replacements, especially if you are altering the structural opening or changing the style of the window. It is critical to hire a licensed and insured contractor familiar with Suffolk County and local Village codes who will typically pull the necessary permits on your behalf. This ensures the installation meets local standards for safety, energy efficiency, and egress.

4How do I choose a reputable window installation company in the Islandia area?

Prioritize local, established companies with strong references from Islandia or nearby Suffolk County communities. Verify they are licensed, insured, and hold necessary certifications from manufacturers. Always check online reviews and ask for a portfolio of local projects. A trustworthy provider will offer a detailed, in-home estimate, clearly explain product options suitable for our coastal climate, and provide a robust warranty covering both labor and materials.

5What energy efficiency features are most important for windows in Islandia's climate?

Given Islandia's cold winters, hot summers, and potential for strong coastal winds, look for windows with a low U-factor (for insulation against heat loss) and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Double or triple-pane glass filled with argon gas and Low-E coatings are highly recommended. Ensure the installation includes proper, durable weather sealing to prevent drafts and moisture intrusion, which can be a concern with Long Island's humidity and precipitation.