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10 Best Window Replacement Companies in St. Peters, MO

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Written By David Cusick

Last Updated February 2024

Upgrading your windows can be expensive, but is an excellent way to increase the energy efficiency and value of your home. According to the Department of Energy, heat or cool air lost through old or damaged windows could account for 25–30% of the heating and cooling use in your home. By installing energy-efficient windows, you could save an extra $382 on your electricity bills annually in St. Peters. When looking for a window installation company, it's important to pick the right one, which is why we've written this guide to the top window installers in St. Peters.

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Top 10 Best Window Replacement Companies in St. Peters

Renewal by Andersen

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

Free assessment

Price transparency

Good customer service

Timely service

Educational website

Services Offered

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

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

Double-hung
Window replacement/installation
Glass doors
Bay windows

Window World of St. Louis

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

Price transparency

Good customer service

Educational website

Timely service

Free assessment

Services Offered

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

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

Price transparency

Good customer service

Educational website

Services Offered

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

Mad City Windows & Baths

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

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Price transparency

Good customer service

Educational website

Services Offered

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

STL Windows and Doors

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4200 Shoreline Dr, Earth City, MO 63045 (314) 277-5952 stlwindowsanddoors.com

Good customer service

Educational website

Free assessment

Timely service

Price transparency

Services Offered

Glass doors
Double-hung
Window replacement/installation
Bay windows

Lakeside Renovation & Design

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

Timely service

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Window replacement/installation
Fiberglass frames

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

Good customer service

Free assessment

Educational website

Price transparency

Services Offered

Glass doors
Glass showers
Window replacement/installation
Custom window designs

Floyd Glass & Window

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

Good customer service

Price transparency

Free assessment

Services Offered

Custom glass
Window replacement/installation
Mirrors
Window repair
Glass showers

Home Comfort Exteriors

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

Free assessment

Good customer service

Price transparency

Services Offered

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 St. Peters?

The amount you'll spend on window installation or replacement will be influenced by 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, homeowners in St. Peters 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 significantly improve your home's insulation, value, noise reduction, appearance, and comfort. Signs it's time to invest in new windows include:

  • Drafts and cold air coming in through old, loose-fitting windows.
  • Windows that are hard to open, close, or lock properly due to age and wear.
  • 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.
  • A chilly house and high energy bills from poor insulation.

How To Choose a Window Company

Hiring a qualified windows installation contractor is critical to a successful project. Below, you'll learn the most important considerations when it comes to deciding which company to hire.

Experience

Look for reputable local companies with a long track record of experience successfully installing all kinds of windows. These providers are more likely to understand St. Peters' climate and your requirements. Ask for references from recent clients to confirm the quality of a company's work.

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 accreditation indicates that a provider has been appropriately trained in installation best practices. Ensure installers are employees rather than subcontractors. Verify that any technicians working on your home have 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 delivers consistent quality workmanship and great service. Avoid companies with complaints of shoddy or unfinished work.

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 vague quotes or timelines that don't provide specifics upfront. Look for continual contact throughout the process to avoid surprises once work gets underway.

Warranties

Search for window installers that provide installation guarantees on materials and labor. This shows confidence in their work. Seek out companies that offer unlimited lifetime warranties that can transfer to new homeowners.

Materials

Confirm that a window company offers windows built for longevity as well as leading energy-efficient window bands that match your budget. Research choices with good energy ratings, enhanced UV protection, and design flexibility. Verify that the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in St. Peters, MO

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

The best type of replacement windows for your St. Peters home depends on when your home was built –the average house in St. Peters was built around 1990. For older homes, you might want to consider energy-efficient windows such as double-glazed windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's great for older homes. For more modern homes, you may want to think about vinyl windows, which are durable, affordable and have a modern look.

The most expensive window types are double-hung windows. They are more complex than single-hung windows, and so are more expensive. Single-hung windows are the most budget-friendly on the market. Vinyl and aluminum are the most affordable frame options.

The window installation process typically takes a day and a half for a standard home. On the other hand, if you have many windows to install, it may take longer. Some contractors can complete the project in a single day, depending on the size of the job.

After window installation, it's important to inspect the windows for any air leaks and make sure they're properly sealed. You should also wash the windows at least once a year to prevent debris from accumulating and causing damage. Additionally, if you live in an area with a lot of rainfall, you should inspect the window sills and frames once a year to make sure that the seals are not wearing away or cracking.

Yes, most window companies provide financing options for their customers. Some installers provide low-interest loans, although you may not qualify if your income is on the higher end, while other companies offer unique financing plans with agreements and conditions that vary depending on the job.

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