10 Best Window Replacement Companies in Oakville, CT

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Last Updated: February 25, 2025

Windows play an important role in the appearance of your house, as well as its energy efficiency. Replacing your windows is a great way to increase the value of your home. If your windows are outdated or damaged, 25–30% of your home’s heat or cool air could be leaking out, according to the Department of Energy. In Oakville, this can equal an extra $553 per year on your energy bills. Picking a window installer can be tough, which is why we've compiled a guide to the top window installation companies in Oakville.

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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 Oakville

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

Price transparency

Educational website

Free assessment

Good customer service

Services Offered

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

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

Free assessment

Price transparency

Timely service

Services Offered

Window replacement/installation
Energy-efficient options

Smithtown Window Replacement and Doors

Smithtown Window Replacement and Doors Logo

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User Rating

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

Free assessment

Weekend availability

Family-owned and operated

Educational website

Energy-efficient windows and doors

Good customer service

Price transparency

Services Offered

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

Free assessment

Timely service

Good customer service

Services Offered

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

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

Educational website

Price transparency

Home and auto glass

Good customer service

24/7 emergency service

Services Offered

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

Good customer service

Timely service

Free in-home consultation

Price transparency

Small business

No-interest financing

Educational website

Free assessment

Services Offered

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

Clinton Glass

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Our Rating

User Rating

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

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

Glass repair
Glass doors
Mirrors
Metal frames
Window replacement/installation
Custom glass
Glass showers
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

Educational website

Good customer service

Price transparency

Timely service

Free assessment

Services Offered

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

Home Services at The Home Depot

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Our Rating

User Rating

656 Reservoir Ave, Bridgeport, CT 06606 (203) 392-1123 homedepot.com

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

Storm/impact windows
Glass showers
Vinyl frames
Bay windows
Glass doors
Mirrors
Screen repair
Custom window designs
Energy-efficient options
Window replacement/installation

Sears Window Replacement

Sears Window Replacement Logo

Our Rating

User Rating

5 Plain Ave, New Rochelle, NY 10801 (914) 243-1427 searshomeservices.com

Good customer service

Free assessment

Services Offered

Storm/impact windows
Double-hung
Vinyl frames
Glass doors
Bay windows
Window replacement/installation
Energy-efficient options
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 Oakville?

Window installation and replacement costs depend on several factors, including the number and size of the windows, how difficult your windows are to access or install, and the materials you choose. On average, homeowners in Oakville will spend around $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

Adding new energy-efficient windows can substantially enhance your home's insulation, appearance, comfort, value, and noise reduction. Clear indicators that it's time to invest in new windows include the following:

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

How To Choose a Window Company

Choosing a window installer with the right qualifications helps ensure a smooth installation. We cover the most important considerations for selecting a qualified provider below.

Experience

Make sure you select an experienced local installer with a long record of successfully installing and replacing windows. Installers that have served Oakville 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 an installer that’s accredited like major window manufacturers, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Proper certification shows they've received suitable education in installation best practices. Verify that installers are staff, not subcontracted laborers, and confirm that the technicians assigned to your job have certification.

Reputation

Spend time going through online reviews, checking the Better Business Bureau (BBB), and asking for 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 good 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 vague quotes or schedules. Ask for regular contact throughout to avoid surprises once installation is underway.

Warranties

Seek out window installers that back their installations with warranties on labor and materials. This demonstrates confidence in their work. Seek out companies that offer unlimited lifetime warranties that can pass to new homeowners.

Materials

Verify that your window provider works with long-lasting, durable brands, offers energy-efficient window options, and fits your budget. Look for window options with enhanced UV protection, design flexibility, and good energy ratings. Check whether the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Oakville, CT

In Oakville, the ideal time to install windows is during the early fall when the temperatures are milder, so the windows can fit and adjust properly. A good local window installer in Oakville will be able to explain when the best time is to install windows on your home.

The best type of replacement window for your Oakville home will vary based on the age of your home, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wood windows can give a classic look and appearance, while vinyl windows tend to be popular in more modern homes. Fiberglass windows are also a popular choice, as they can be energy efficient and long-lasting.

The most expensive window types are double-hung windows. They are more complicated than single-hung windows, which makes them more costly. Single-hung windows are the cheapest on the market. Vinyl and aluminum are the most affordable frame options.

It depends on your budget and the condition of your current windows. If your windows are in good condition, you may want to wait and only replace the ones that need to be replaced. If you're in an area that has average energy costs, you may want to consider replacing all your windows at once to get the highest energy savings.

After window installation, it's important to make sure that the windows are properly sealed and to check for any air leaks. You should also clean the windows at least once a year to stop debris from building up and causing damage. Additionally, if you live in an area with abundant rainfall, you should inspect the window sills and frames once a year to make sure that the seals are not deteriorating or cracking.

Window replacement companies in Oakville typically offer many services, including window installation, repair, window maintenance, cleaning, tinting, and weatherproofing.

Other Oakville, CT Home Services

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