10 Best Window Replacement Companies in Mount Sinai, NY

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Last Updated: February 25, 2025

Windows play an important role in your house's appearance and energy efficiency. Upgrading your windows is a great way to increase the value of your home. If your windows are drafty or damaged, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy. In Mount Sinai, this can equal an extra $458 per year on your energy bills. Picking the right company for you is an important decision. That's why we've created this list of the top window installation companies in Mount Sinai.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Mount Sinai

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen of Long Island

Renewal by Andersen of Long Island Logo

Our Rating

User Rating

2029 New Hwy, Farmingdale, NY 11735 (631) 843-1713 renewalbyandersen.com

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

Skylights
Bay windows
Glass doors
Double-hung
Window replacement/installation

Power Home Remodeling

Power Home Remodeling Logo

Our Rating

User Rating

60 Commerce Dr Suite 150, Trumbull, CT 06611 (203) 659-4843 powerhrg.com

Timely service

Free assessment

Good customer service

Price transparency

Services Offered

Energy-efficient options
Window replacement/installation

Smithtown Window Replacement and Doors

Smithtown Window Replacement and Doors Logo

Our Rating

User Rating

43 Landing Ave, Smithtown, NY 11787 (631) 646-2386 smithtownwindowsdoors.com

Price transparency

Family-owned and operated

Energy-efficient windows and doors

Weekend availability

Educational website

Free assessment

Good customer service

Services Offered

Custom window designs
Window repair
Fiberglass frames
Glass doors
Window replacement/installation
Tempered glass
Metal frames
Wood frames
Vinyl frames
Triple pane glass
Double-hung
Glass showers
Storm/impact windows
Energy-efficient options
Bay windows

Melville Window Replacement

Melville Window Replacement Logo

Our Rating

User Rating

560 Walt Whitman Rd, Melville, NY 11747 (631) 710-7533 melvillewindowreplacement.com

Good customer service

Price transparency

Educational website

Free assessment

Timely service

Services Offered

Wood frames
Tempered glass
Vinyl frames
Metal frames
Custom window designs
Double-hung
Glass doors
Energy-efficient options
Fiberglass frames
Window repair
Window replacement/installation
Triple pane glass
Bay windows

Glass Doctor

Glass Doctor Logo

Our Rating

User Rating

354 Smithtown Blvd, Ronkonkoma, NY 11779 (631) 619-6711 glassdoctor.com

Membership plans for glass repair

Home and auto glass

24/7 emergency service

Educational website

Price transparency

Good customer service

Services Offered

Custom glass
Glass repair
Mirrors
Energy-efficient options
Glass showers
Window repair
Window replacement/installation
Glass doors

Window King LLC

Window King LLC Logo

Our Rating

User Rating

1075 Morris Park Ave, Bronx, NY 10461 (718) 792-5989 windowking.biz

No-interest financing

Free assessment

Price transparency

Timely service

Good customer service

Estimate price matching

Free in-home consultation

Educational website

Services Offered

Vinyl frames
Energy-efficient options
Glass doors
Window replacement/installation
Double-hung

Pro Quality Home Improvements Inc.

Pro Quality Home Improvements Inc. Logo

Our Rating

User Rating

1120 Little East Neck Road, West Babylon, NY 11704 (631) 393-6812 proqualityhomeimprovements.com

Educational website

Free assessment

Timely service

Price transparency

Small business

Good customer service

No-interest financing

Free in-home consultation

Services Offered

Skylights
Energy-efficient options
Window replacement/installation
Bay windows
Glass doors
Window repair

Alure Home Solutions

Alure Home Solutions Logo

Our Rating

User Rating

1999 Hempstead Tpke, East Meadow, NY 11554 (516) 296-7777 alure.com

Special warranties for military

Good customer service

No-interest financing available

Price transparency

Online appointment scheduling

Educational website

Free assessment

Services Offered

Glass doors
Double-hung
Window replacement/installation
Glass showers

Sky Windows and Doors

Sky Windows and Doors Logo

Our Rating

User Rating

145 N Main St, Freeport, NY 11520 (516) 686-8485 skywindowsnj.com

Price transparency

Educational website

Good customer service

Timely service

Free assessment

Services Offered

Energy-efficient options
Mirrors
Custom glass
Vinyl frames
Storm/impact windows
Metal frames
Wood frames
Window replacement/installation
Glass doors
Glass showers

Bernie's Glass & Mirror

Bernie's Glass & Mirror Logo

Our Rating

User Rating

1554 Fulton St, Brooklyn, NY 11216 (917) 749-4858 berniesglass.com

Good customer service

Free assessment

Timely service

Price transparency

Educational website

Services Offered

Double-hung
Window replacement/installation
Mirrors
Skylights
Glass doors
Glass showers
Energy-efficient options
Window repair
Glass repair
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Mount Sinai?

Window installation and replacement costs depend on a number of factors, including how difficult your windows are to access or install, the materials you choose, and the number and size of the windows. On average, Mount Sinai homeowners should expect to spend roughly $290 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

New, energy-efficient windows can substantially improve your home's appearance, comfort, insulation, value, and noise reduction. Obvious signs that it's time for window replacement include the following:

  • Inefficient and outdated window styles that detract from your house's curb appeal.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Windows that are hard to close, open, or lock properly due to age and wear.
  • Condensation issues, fogging between window panes, or rotting window frames that allow moisture intrusion into the home.
  • A chilly house and high energy bills due to poor window insulation.

How To Choose a Window Company

For a successful window replacement, you want to locate an installer with proven expertise. Below, we go over the most important considerations when picking a window installer.

Experience

Make sure you choose a seasoned local installer with a long record of successfully installing and replacing windows. Companies that have served Mount Sinai for years are more likely to have a deep knowledge of the local climate and local homeowners' needs. Get references from recent clients to learn more about a provider’s service.

Certifications

Select an installer that is accredited by leading window companies and associations like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Suitable credentials show that a contractor has training in best practices for installation. Confirm that installers are staff rather than subcontractors, and check that the technicians working on your home are certified.

Reputation

Read through online reviews, check the Better Business Bureau (BBB), and request local references. Review customer feedback to confirm that the provider consistently delivers quality work and good customer service. Avoid providers that have complaints of shoddy work or unfinished jobs.

Process

The best company will take time to provide you with a detailed project plan, timeline, expectations, and reviews of all material and installation options. Beware of vague quotes or timelines that don't provide enough specifics upfront. Look for ongoing communication throughout the process to avoid surprises once the project gets underway.

Warranties

Look for providers that back their work with guarantees and offer warranties on labor and materials. This demonstrates confidence in their window installations. Look for unlimited lifetime warranties that can transfer to new homeowners.

Materials

Make sure your window installer offers windows that are built to last and top energy-saving window brands that fit your budget. Look for design flexibility, good energy ratings, and enhanced UV protection. Check that the window materials also include manufacturer warranties.

Frequently Asked Questions About Window in Mount Sinai, NY

In Mount Sinai, the optimal time to install windows is during the early fall when the temperature is milder, so the windows can fit and adjust properly. A good local window installer in Mount Sinai will be able to tell you when the best time is to install windows on your home.

The best type of replacement window for your Mount Sinai home will depend on your home's age, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's newer — so your new windows match. Wooden windows can give a traditional look and appearance, while vinyl-framed windows are more popular in newer homes. Fiberglass windows are also a popular choice, since they are energy efficient and durable.

The most expensive window types are those with multiple moving parts such as double-hung and casement windows. They are more intricate than single-hung windows, and so are more expensive. Single-hung windows are the most budget-friendly on the market. Aluminum and vinyl are the most affordable frame options.

The duration of the installation process varies depending on a range of factors, including the number of windows to be installed, the type and size of windows being installed, and the complexity of the job. Typically, window installation can take anywhere from one day up to a couple of days, with each window taking about 30 minutes to install.

Window replacement companies in Mount Sinai typically offer several services, including replacing windows, fixing windows, window maintenance, window cleaning, tinting, and weatherproofing.

Getting windows professionally installed can provide a number of benefits. Professional installers can ensure that your windows are properly fitted, sealed, and insulated, preventing air leakage and maximizing energy efficiency. Professional installers are also well-equipped with the necessary tools and techniques to do the job right, saving you time and money.

Other Mount Sinai, NY Home Services

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