10 Best Window Replacement Companies in Brentwood, MO

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Last Updated: February 25, 2025

Whether you want to increase your home's value, energy efficiency, or both, upgrading your windows is a great idea. Drafty, leaky windows can cost you in energy bills — about an extra $387 a year in Brentwood. The Department of Energy estimates that 25–30% of your house’s heat or cool air could be going out your windows. If you can't decide between window installers, this guide is the best place to get started. Keep reading to find the best window installers in Brentwood.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Best Customer Service
4.3/5
  • Great customer service
  • Transparent pricing
  • Award winning company
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty

Top 10 Best Window Replacement Companies in Brentwood

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

Renewal by Andersen Logo

Our Rating

User Rating

2446 Schuetz Rd, Maryland Heights, MO 63043 (314) 983-9977 renewalbyandersen.com

Timely service

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

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

Champion Replacement Windows of St. Louis

Champion Replacement Windows of St. Louis Logo

Our Rating

User Rating

29 Cassens Ct, Fenton, MO 63026 (636) 764-0470 championwindow.com

Price transparency

Free assessment

Good customer service

Services Offered

Bay windows
Window replacement/installation
Double-hung
Glass doors

Empire Supply Co

Empire Supply Co Logo

Our Rating

User Rating

7286 Manchester Rd, St. Louis, MO 63143 (314) 645-2633 empiresupplystl.com

Good customer service

Free assessment

Price transparency

Educational website

Services Offered

Tempered glass
Vinyl frames
Metal frames
Mirrors
Storm/impact windows
Energy-efficient options
Window replacement/installation
Double-hung
Glass doors

Building Envelope Experts

Building Envelope Experts Logo

Our Rating

User Rating

1576 Fencorp Dr Suite 160, Fenton, MO 63026 (314) 310-7878 buildingenv.com

Price transparency

Free assessment

Good customer service

Educational website

Timely service

Services Offered

Double-hung
Bay windows
Window replacement/installation
Energy-efficient options
Vinyl frames
Custom window designs
Glass doors

Glass Doctor of Greater St. Louis

Glass Doctor of Greater St. Louis Logo

Our Rating

User Rating

9400 Manchester Rd, St. Louis, MO 63119 (314) 962-4344 glassdoctor.com

Educational website

Good customer service

Price transparency

Services Offered

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

Window Nation

Window Nation Logo

Our Rating

User Rating

1913 Belt Way Dr, Overland, MO 63114 (314) 279-8249 windownation.com

Educational website

Price transparency

Free assessment

Good customer service

Services Offered

Double-hung
Glass doors
Vinyl frames
Energy-efficient options
Bay windows
Window replacement/installation
Custom window designs

Glass Doctor of St. Charles, MO

Glass Doctor of St. Charles, MO Logo

Our Rating

User Rating

3910 Old Hwy 94 S Ste 105A, St Charles, MO 63304 (314) 962-4344 glassdoctor.com

Good customer service

Educational website

Price transparency

Services Offered

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

Home Services at The Home Depot

Home Services at The Home Depot Logo

Our Rating

User Rating

5501 Belleville Crossing St, Belleville, IL 62226 (224) 241-2501 homedepot.com

Free assessment

Price transparency

Good customer service

Educational website

Services Offered

Vinyl frames
Metal frames
Window replacement/installation
Custom window designs
Glass repair
Glass doors
Skylights
Glass showers
Storm/impact windows
Screen repair

Mad City Windows & Baths

Mad City Windows & Baths Logo

Our Rating

User Rating

959 Harmsted Court, St Charles, MO 63301 (314) 396-6394 madcitywindows.com

Free assessment

Good customer service

Educational website

Price transparency

Services Offered

Double-hung
Bay windows
Glass showers
Vinyl frames
Energy-efficient options
Window replacement/installation

Chaney Windows And Doors

Chaney Windows And Doors Logo

Our Rating

User Rating

80 Weldon Pkwy, Maryland Heights, MO 63043 (636) 699-6353 chaneywindowsanddoors.com

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

Window replacement/installation
Glass doors
Wood frames
Energy-efficient options
Vinyl frames
Bay windows
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 Brentwood?

The price of window installation or replacement varies based 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, Brentwood homeowners should expect to spend around $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

Replacing your old windows with new energy-efficient ones can greatly boost your home's appearance, noise reduction, comfort, insulation, and value. Clear indicators it's time to invest in new windows include:

  • Inefficient and outdated window styles that detract from your house's curb appeal.
  • A chilly house and high energy bills due to poor insulation.
  • Drafts and cold air leaking in from 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 let in moisture.

How To Choose a Window Company

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

Experience

Find an established local window company with a proven track record of success installing all window types. Experienced providers are more likely to be able to seamlessly accommodate Brentwood's climate and local homeowner needs. To confirm a company deliver quality work, request references from recent customers.

Certifications

Look for installers that are backed by major window manufacturers and certified by leading industry groups, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Proper certification shows that a provider has gotten proper training in quality installation methods. Ensure installers are employees rather than subcontractors, and verify that any technicians assigned to your job hold the right certifications.

Reputation

Spend time reading through online reviews, checking the Better Business Bureau (BBB), and asking for local references. Review customer feedback to make sure that a company regularly provides good workmanship and customer service. Avoid companies with complaints of poor work or unfinished jobs.

Process

A quality provider will give you a detailed project plan, well-outlined timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer unclear quotes or timelines. Insist on continual contact throughout the process, so you aren't caught off guard later on.

Warranties

Search for window installers that offer guarantees on labor and materials. This indicates confidence in their work. Research companies with unlimited lifetime warranties that can pass to new homeowners.

Materials

Confirm that your window installer offers durable, long-lasting windows and leading energy-efficient window bands that match your budget. Research choices with enhanced UV protection, design flexibility, and good energy ratings, and verify that the materials come with their own manufacturer warranties.

Frequently Asked Questions About Window in Brentwood, MO

In Brentwood, the best time to install windows is when temperatures are mild, generally in the spring or fall. These conditions enable professionals to do their work with less worry about extreme temperatures.

The best type of replacement window for your Brentwood 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 old — so your new windows match. Wooden windows can provide a traditional look and appearance, while vinyl-framed windows tend to be popular in newer homes. Fiberglass-framed windows are also a popular choice, since they can be energy efficient and durable.

The most expensive windows are double-hung windows. They are more complex than single-hung windows, which makes them more expensive. Single-hung windows are the most budget-friendly on the market. Aluminum and vinyl are the most affordable frame options.

The window installation process typically involves measuring and ordering the windows, preparing the area for installation, removing the existing window, installing the new one, and insulating the frame. Depending on the type of window being installed, additional steps might be needed.

Replacing your own windows can be a difficult task, especially in Brentwood, where temperatures can get quite warm. It's generally best to get a skilled window installer. Their knowledge and experience ensures your windows are properly installed and that you get the most out of your investment.

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

Other Brentwood, MO Home Services

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