10 Best Window Replacement Companies in Newtown, CT

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Last Updated: February 25, 2025

Windows play a big role in the appearance of your house, as well as its energy efficiency. Upgrading your windows is an excellent 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 Newtown, this can add up to an extra $553 per year on your electricity bills. If you're looking for a window installation company, this guide is a great way to get started. Keep reading to find the best window installers in Newtown.

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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 Newtown

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

Free assessment

Price transparency

Good customer service

Services Offered

Skylights
Double-hung
Glass doors
Bay windows
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

Good customer service

Timely service

Free assessment

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

Weekend availability

Energy-efficient windows and doors

Free assessment

Educational website

Good customer service

Services Offered

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

Melville Window Replacement

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User Rating

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

Educational website

Price transparency

Good customer service

Timely service

Free assessment

Services Offered

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

Glass Doctor

Glass Doctor Logo

Our Rating

User Rating

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

Good customer service

24/7 emergency service

Educational website

Price transparency

Home and auto glass

Membership plans for glass repair

Services Offered

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

Window King LLC

Window King LLC Logo

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User Rating

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

Timely service

No-interest financing

Free assessment

Good customer service

Free in-home consultation

Estimate price matching

Educational website

Price transparency

Services Offered

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

Pro Quality Home Improvements Inc.

Pro Quality Home Improvements Inc. Logo

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User Rating

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

No-interest financing

Educational website

Price transparency

Small business

Free assessment

Good customer service

Free in-home consultation

Timely service

Services Offered

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

Alure Home Solutions

Alure Home Solutions Logo

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User Rating

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

No-interest financing available

Special warranties for military

Good customer service

Educational website

Online appointment scheduling

Free assessment

Price transparency

Services Offered

Window replacement/installation
Double-hung
Glass showers
Glass doors

Clinton Glass

Clinton Glass Logo

Our Rating

User Rating

221 E Main St, Clinton, CT 06413 (860) 664-3711 clintonglassct.com

Free assessment

Good customer service

Educational website

Price transparency

Services Offered

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

Window Depot USA of Southern CT

Window Depot USA of Southern CT Logo

Our Rating

User Rating

5726 Main St STe 2a, Trumbull, CT 06611 (203) 309-6027 windowdepotsouthernct.com

Free assessment

Price transparency

Timely service

Good customer service

Educational website

Services Offered

Vinyl frames
Glass doors
Window replacement/installation
Triple pane glass
Bay windows
Energy-efficient options
Double-hung
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 Newtown?

The cost of window installation or replacement will be influenced by a number of factors, including the number and size of the windows, the materials you choose, and how difficult your windows are to access or install. On average, Newtown homeowners should expect to spend roughly $280 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 noise reduction, insulation, appearance, comfort, and value. Obvious signs that it's time for window replacement include the following:

  • Outdated and inefficient window styles that reduce your house's curb appeal.
  • Fogging between window panes, condensation issues, or rotting window frames that allow moisture intrusion into the home.
  • Windows that are difficult to close, open, and lock properly due to wear and age.
  • Drafts and cold air leaking in from old, loose-fitting windows.
  • Discomfort and high energy bills due to poor insulation.

How To Choose a Window Company

Finding a truly qualified window installer is the key to a successful project. Below, we cover the most important considerations when it comes to deciding which company to hire.

Experience

Make sure you select an experienced local installer with a long record of successfully installing and replacing windows. Installers that have served Newtown for years are more likely to understand the local climate and local homeowners' needs. Get references from recent clients to confirm a company provides quality installations.

Certifications

Choose companies that have certifications from leading window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Having certification shows they've been properly trained in installation best practices. Make sure installers are staff, not subcontractors, and confirm the technicians doing your job are certified.

Reputation

Spend time reviewing online feedback, checking the Better Business Bureau (BBB), and requesting local references. Review customer feedback to make sure that the company consistently does quality work and provides good service. Avoid companies with complaints of shoddy or unfinished work.

Process

A reputable window installer will be able to provide a detailed project plan, reasonable timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide ambiguous quotes or schedules. Look for ongoing contact from the beginning to avoid surprises once installation is underway.

Warranties

Seek out window companies that offer assurances on their installations, and that offer warranties on materials and labor. This indicates confidence in their work. Also look for unlimited lifetime warranties that can transfer to new homeowners.

Materials

Ensure your provider uses durable, energy-efficient window brands that fit your budget. Look for design flexibility, enhanced UV protection, and good energy ratings. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in Newtown, CT

In Newtown, the best time to install windows is when temperatures are mild, generally in the spring or fall. These conditions allow installers to work with less worry about the weather.

The best type of replacement window for your Newtown home will vary based 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. Wood windows can provide a classic look and appearance, while vinyl-framed windows are more popular in newer homes. Fiberglass-framed windows are also a popular choice, since they can be energy efficient and durable.

The types of window that usually last longest are ones constructed from vinyl or wood, with double glaze for extra insulation. Vinyl windows are renowned for their long-lasting nature and need minimal maintenance, and wood windows offer a more timeless look. Tripling up on the glazing will help reduce heating and cooling bills over time.

The process for window installation typically includes taking measurements, removing the existing windows, installing the replacement windows, inspecting for proper sealing, and applying caulk around the edges of the frames. Extra steps may be necessary depending on the kind of window being installed.

If you live in a rainier climate like Newtown, you should wipe away any debris or dirt buildup on the windows often. Additionally, you should inspect your windows monthly to make sure they're still functioning properly. It's also a good idea to get a professional to inspect your windows once a year for any potential damages or issues.

Window companies in Newtown usually offer a wide range of services, including measuring and installing new windows, repairing existing windows, replacing window glass, and hanging window treatments. They may also offer additional services such as weatherproofing or cleaning.

Hiring a professional window installer helps make sure the job is done correctly. Professional installers will measure your windows properly to get a perfect fit and will use the right techniques and materials to ensure your windows will be correctly sealed and fitted. Additionally, professional installers have access to higher quality materials and more experience than the average homeowner, so you can expect your windows to be put in correctly and stand for years to come.

Other Newtown, CT Home Services

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