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

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Written By David Cusick

Last Updated February 2024

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St. Louis, where the energy bills are $1,300 per year on average, you could be spending an extra $387 annually due to outdated or drafty windows. The Department of Energy estimates that heat gained or lost through windows could be responsible for about 30% of heating and cooling usage. Picking the right company for you is a big decision. That's why we've curated this list of the best window installation companies in Lake St. Louis.

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Top 10 Best Window Replacement Companies in Lake St. Louis

Renewal by Andersen

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

Timely service

Educational website

Price transparency

Free assessment

Good customer service

Services Offered

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

Champion Replacement Windows of St. Louis

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

Price transparency

Good customer service

Free assessment

Services Offered

Bay windows
Glass doors
Window replacement/installation
Double-hung

Window World of St. Louis

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3600 Rider Trail S, Earth City, MO 63045 (314) 993-1800 windowworldstlouis.com

Educational website

Timely service

Price transparency

Good customer service

Free assessment

Services Offered

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

Home Services at The Home Depot

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Home Depot, 6190 Mid Rivers Mall Dr, St Peters, MO 63304 (636) 223-5612 homedepot.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

Glass doors
Window replacement/installation
Custom window designs
Glass showers

Floyd Glass & Window

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30 Triad South Dr, St Peters, MO 63304 (636) 922-3569 floydglass.com

Price transparency

Free assessment

Good customer service

Services Offered

Glass showers
Window replacement/installation
Mirrors
Custom glass
Window repair

Gateway General Contractors

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9031 Veterans Memorial Pkwy, O'Fallon, MO 63366 (636) 515-5868 gatewaygeneralcontractorsllc.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

Window replacement/installation

Home Comfort Exteriors

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7839 Mexico Rd, St Peters, MO 63376 (636) 928-8900 homecomfortexteriors.com

Good customer service

Free assessment

Price transparency

Services Offered

Energy-efficient options
Window replacement/installation

Glass Doctor of St. Charles, MO

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

Jones Home Improvements

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5305 5th St, Cottleville, MO 63304 (636) 317-1977 joneshi.com

Good customer service

Price transparency

Free assessment

Services Offered

Window replacement/installation

Lakeside Renovation & Design

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139 Chesterfield Industrial Blvd, Chesterfield, MO 63005 (636) 978-5000 lakesiderenovationanddesign.com

Timely service

Free assessment

Price transparency

Educational website

Good customer service

Services Offered

Window replacement/installation
Fiberglass frames
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?

The cost of window installation or replacement varies based on a number of factors, including how difficult your windows are to access or install, the number and size of the windows, and the materials you choose. On average, homeowners in Lake St. Louis 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

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

  • Windows that are hard to close, open, and lock properly due to age and wear.
  • Outdated and inefficient window styles that take away from your house's curb appeal.
  • High energy bills and discomfort from poor insulation.
  • Fogging between window panes, condensation issues, or rotting window frames that let in moisture.
  • Cold air and drafts coming in through old, loose-fitting windows.

How To Choose a Window Company

Choosing a window installer with the right qualifications helps ensure a smooth installation. We review the most important qualities to consider when selecting a qualified company below.

Experience

Make sure you hire an experienced local installer with a proven track record of successfully installing and replacing windows. Companies that have served Lake St. Louis for years are more likely to understand the local climate and local homeowners' needs. Get references from recent clients to learn more about a provider’s service.

Certifications

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

Reputation

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

Process

The most experienced 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 enable professionals to work without having to worry about extreme temperatures.

The best type of replacement windows for your Lake St. Louis home depends on the year your home was built –the average house in Lake St. Louis was built around 2000. For older homes, you might want to consider energy-efficient windows such as double-pane windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For newer homes, you might want to consider vinyl windows, which are durable, affordable and have a modern look.

The types of window that usually last longest are ones crafted from vinyl or wood, with triple glaze for extra insulation. Vinyl windows are known for their long-lasting nature and require minimal maintenance, while wood windows provide a more traditional look. Tripling up on the glazing will help reduce energy costs in the long run.

The installation process for windows typically takes 1–3 days depending on the number of windows to be installed. Professional window installers should be able to provide an estimate on the time it will take to complete the installation job, but you can expect it to take around 30 minutes per window.

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

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

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