The Best Window Installers in Brentwood, NY

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

#1

Window Universe of Long Island

4.8
(200 reviews)
Verified

A highly-rated, locally-owned and operated franchise known for its focus on window and door replacement. They emphasize a customer-first approach, professional installation teams, and high-quality, energy-efficient products. They are a common choice for homeowners seeking a reliable mid-to-high-end solution.

225 Marcus Blvd, Deer Park, NY 11729 (Serves Brentwood extensively)

Specialties & Features

Energy-efficient window replacement
New construction windows
Patio doors

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Renewal by Andersen of Long Island

4.7
(250 reviews)
Verified

As the flagship replacement division of the Andersen Corporation, this provider offers a premium, full-service experience from consultation to installation. They are known for their high-performance custom-made windows, strong warranties, and professional service. They target homeowners looking for a top-tier, long-term investment.

135 Schmitt Blvd, Farmingdale, NY 11735 (Serves all of Long Island, including Brentwood)

Specialties & Features

Custom window solutions
Fibrex® composite windows
Full-frame replacement

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

The Window Source of Long Island

4.6
(150 reviews)
Verified

A direct window manufacturer and installer, which allows them to offer competitive pricing without sacrificing quality. They provide a wide selection of styles and materials, including vinyl and composite windows, and are known for their personal service and focus on both replacement and new construction projects.

175 Central Ave, Farmingdale, NY 11735 (Primarily serves Nassau and Suffolk counties)

Specialties & Features

Vinyl window replacement
Custom-shaped windows
Storm windows
security

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Brentwood

** The windows market in Brentwood, NY, is competitive and service-oriented, reflecting the community's mix of post-WWII capes, split-levels, and newer constructions. Homeowners are highly focused on **energy efficiency** due to Long Island's climate and rising utility costs, making low-E glass and double-pane insulated units the standard. The market is dominated by established regional contractors and branded installers (like Renewal by Andersen) rather than small, hyper-local handymen, ensuring a generally high level of professionalism and warranty support. **Competition** is strong, with numerous providers vying for business, which benefits consumers through competitive pricing and service guarantees. **Typical pricing** for a full-window replacement project on a standard home can range significantly based on the window quality and scope, but homeowners should expect a rough average of **$600 to $1,200 per window**, including professional installation for mid-range vinyl models. Premium products (like Andersen Fibrex or custom wood-clad) will be at the higher end of this range or above. Storm and security windows are also popular add-ons for both protection and added efficiency.

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 Brentwood regulations and climate

Frequently Asked Questions About Windows in Brentwood

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

1What is the typical cost range for a full window replacement on a Brentwood home?

For a standard double-hung vinyl window replacement in Brentwood, homeowners can expect to pay between $600 and $1,200 per window, including professional installation. The total project cost depends on the number of windows, the style and material (e.g., fiberglass or wood are more expensive), and any structural repairs needed for older homes common in the area. Regional factors like Suffolk County's higher labor and material costs compared to national averages also influence the final price.

2Do I need a permit from the Town of Islip to replace my windows in Brentwood?

Yes, most window replacements in Brentwood's Town of Islip jurisdiction require a building permit, especially if you are changing the window size or the structural opening. This ensures the installation complies with New York State's strict energy codes and local building safety standards. A reputable local installer will typically handle the permit application process for you, which is a key service to confirm when choosing a provider.

3What are the best window features for Brentwood's climate and weather?

Given Brentwood's humid summers, cold winters, and exposure to coastal storms, look for windows with Low-E glass and argon gas fills to improve energy efficiency and prevent interior condensation. Impact-resistant glass or sturdy construction is also a wise consideration for enhanced protection against strong winds. Proper installation with premium sealing and flashing is critical to prevent water infiltration, a common issue in our region.

4When is the best time of year to schedule window installation in Brentwood?

The ideal seasons are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Suffolk County, which is optimal for installation and allows your home to be temporarily exposed without extreme temperatures. While many installers work year-round, scheduling during these off-peak times can sometimes lead to better availability and project timing.

5How do I verify a window installation company is reputable and licensed in Brentwood?

Always ensure the contractor holds a valid Home Improvement Contractor license from Suffolk County. You can verify this through the Suffolk County Department of Consumer Affairs. Additionally, check for strong local references in Brentwood, proof of insurance, and manufacturer certifications (like from Andersen or Pella). A trustworthy local provider will be familiar with Islip's permit process and the specific architectural styles of homes in the area.