10 Best Window Replacement Companies in Lake St. Louis, MO

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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 an excellent way to increase the value of your home. In Lake St. Louis, where the power bills are an average of $1,300 per year, you could be spending an extra $387 annually due to outdated windows. The Department of Energy estimates that heat gained or lost through windows could account for nearly 30% of heating and cooling usage. Deciding on a window installer can be time-consuming, which is why we've compiled this list of the top window installers in Lake St. Louis.

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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 Lake St. Louis

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

Price transparency

Educational website

Timely service

Good customer service

Free assessment

Services Offered

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

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

Good customer service

Free assessment

Price transparency

Services Offered

Glass doors
Window replacement/installation
Bay windows
Double-hung

Empire Supply Co

Empire Supply Co Logo

Our Rating

User Rating

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

Free assessment

Price transparency

Educational website

Good customer service

Services Offered

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

Building Envelope Experts

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Our Rating

User Rating

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

Good customer service

Educational website

Timely service

Free assessment

Price transparency

Services Offered

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

Glass Doctor of St. Charles, MO

Glass Doctor of St. Charles, MO Logo

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User Rating

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

Good customer service

Price transparency

Educational website

Services Offered

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

Window Nation

Window Nation Logo

Our Rating

User Rating

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

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

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

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

Price transparency

Good customer service

Educational website

Services Offered

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

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

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

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

Price transparency

Educational website

Good customer service

Services Offered

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

Target Windows & Doors Inc

Target Windows & Doors Inc Logo

Our Rating

User Rating

800 W State St, Vandalia, MO 63382 (573) 594-6433 targetwindowsanddoors.com

Price transparency

Timely service

Good customer service

Free assessment

Educational website

Services Offered

Vinyl frames
Glass doors
Double-hung
Wood frames
Window replacement/installation
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 Lake St. Louis?

Window installation and replacement costs vary based on several 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, Lake St. Louis homeowners should expect to spend about $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 existing windows with new energy-efficient ones can greatly boost your home's insulation, comfort, appearance, value, and noise reduction. Clear indicators it's time to invest in new windows include:

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

How To Choose a Window Company

Hiring a qualified windows installation contractor is the key to a successful project. Below, you'll learn the main factors to consider when making your selection.

Experience

Find well-established local installers with extensive experience. Installers that have worked in Lake St. Louis for years are more likely to know the local climate and how to best meet your needs. Ask for references from recent customers to confirm a company’s reputation.

Certifications

Look for installers that are backed by top window manufacturers and certified by leading industry groups, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate credentials mean that a provider has been appropriately trained in installation best practices. Ensure installers are employees, not subcontractors, and verify that any technicians working on your home have the right certifications.

Reputation

Spend time going through online reviews, verifying with the Better Business Bureau (BBB), and asking for local references. Review customer feedback to confirm that the company delivers consistent quality workmanship and great service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

The best window installers will supply a comprehensive project plan and schedule, clear expectations, and an overview of material and installation options. Avoid companies that offer unclear quotes or timelines that don't provide specifics upfront. Look for continual contact throughout to avoid surprises later in the project.

Warranties

Look for window companies that back their installations with guarantees, and that provide warranties on products and labor. This indicates faith in their work. Also seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

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

Frequently Asked Questions About Window in Lake St. Louis, MO

In Lake St. Louis, the best time to install windows is when temperatures are mild, generally in the spring or fall. These conditions allow installers to do their work without having to worry about extreme temperatures.

The best type of replacement window for your Lake St. Louis home will depend on the age of your home, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's more modern — so your new windows match. Wood windows can give a traditional look and feel, while vinyl-framed windows tend to be popular in newer homes. Fiberglass windows are also a popular choice, as they can be energy efficient and durable.

Windows made from wood, vinyl, or fiberglass are known to last the longest, with some lasting for close to 45 years. Vinyl windows are particularly durable and low-maintenance, making them a great choice if you want windows that can last a long time. Adding more glazing can help reduce your heating and cooling bills over time.

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

You should clean off any debris or dirt buildup from the windows when they get dirty. Additionally, you ought to inspect your windows monthly to make sure they're working correctly. It's also a good idea to get a professional to inspect your windows once a year for any hidden damages or issues.

Window companies in Lake St. Louis usually offer a range of services, including measuring and installing new windows, repairing existing windows, replacing window glass, and installing window treatments. They may also offer extra services such as weatherproofing or cleaning.

Hiring a professional window installer helps guarantee the job is done correctly. Professional installers will measure your windows properly to get a perfect fit and will use the right materials and techniques 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 installed correctly and stand for years to come.

Other Lake St. Louis, MO Home Services

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