Expert Advice On Improving Your Home

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10 Best Window Replacement Companies in Affton, MO

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Windows play an important role in your house's appearance and energy efficiency. Upgrading your windows is a great way to increase the value of your home. Drafty, leaky windows can cost you in energy bills — about an extra $387 a year in Affton. The Department of Energy estimates that 25–30% of your house’s heat or cool air could be going out your windows. When looking for a window installation company, it's important to choose the right one, so we've written this guide to the best window installation companies in Affton.

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.
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 Affton

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

Free assessment

Good customer service

Educational website

Timely service

Price transparency

Services Offered

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

Champion Replacement Windows of St. Louis

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Our Rating

User Rating

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

Price transparency

Free assessment

Good customer service

Services Offered

Glass doors
Window replacement/installation
Double-hung
Bay windows

Empire Supply Co

Empire Supply Co Logo

Our Rating

User Rating

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

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

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

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

Free assessment

Price transparency

Timely service

Educational website

Services Offered

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

Glass Doctor of Greater St. Louis

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Our Rating

User Rating

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

Good customer service

Educational website

Price transparency

Services Offered

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

Window Nation

Window Nation Logo

Our Rating

User Rating

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

Good customer service

Free assessment

Educational website

Price transparency

Services Offered

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

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

Price transparency

Educational website

Services Offered

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

Home Services at The Home Depot

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Our Rating

User Rating

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

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

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

Mad City Windows & Baths

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Our Rating

User Rating

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

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

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

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

Good customer service

Price transparency

Educational website

Services Offered

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

The price of window installation or replacement is influenced by a number of 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, Affton homeowners will 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

New, energy-efficient windows can significantly enhance your home's value, comfort, insulation, appearance, and noise reduction. Obvious signs that it's time for window replacement include the following:

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

How To Choose a Window Company

Hiring an experienced window installer contributes to a great experience and excellent results. Below, we outline the main criteria for choosing a qualified window installer.

Experience

Find well-established local installers with lots of experience. Companies that have been installing windows locally for many 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 accredited by top industry associations, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate accreditation indicates that a provider has been appropriately trained in quality installation methods. Ensure installers are employees rather than subcontractors, and verify that any technicians assigned to your job have the right certifications.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and asking for references from people in your area. Review customer feedback to verify that a company consistently does quality work and provides good service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

A reputable provider will give you a comprehensive project plan, detailed timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer vague quotes or timelines. Insist on regular contact throughout, so you aren't caught off guard once the work begins.

Warranties

Seek out contractors that back their work with guarantees and provide warranties on labor and materials. This demonstrates trust in their window installations. Look for unlimited lifetime warranties that can be transferred to new homeowners.

Materials

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

Frequently Asked Questions About Window in Affton, MO

In Affton, the optimal time to install windows is during the late fall when the temperatures are milder, so the windows can seal and settle properly. A professional local window installer in Affton will be able to explain when the best time is to install windows on your home.

The best type of replacement window for your Affton 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 old — so your new windows match. Wooden windows can give a classic look and appearance, while vinyl windows are more popular in more modern homes. Fiberglass-framed windows are also a popular choice, since they can be energy efficient and long-lasting.

The types of window that usually last longest are ones made of vinyl or wood, with double glaze for extra insulation. Vinyl windows are renowned for their long-lasting nature and require little maintenance, and wood windows provide a more timeless look. Tripling up on the glazing will help reduce energy costs in the long run.

If your area has average energy costs, you may want to consider replacing all your windows at once. Replacing all your windows at once can help improve your home's energy performance, and could save you money on your energy bills over time. This is especially beneficial in a place like Affton, where energy costs tend to be high.

Replacing your own windows can be a complex task, especially in Affton, where temperatures can get quite warm. It's generally recommended to hire a professional window installer. They have the knowledge and experience to ensure your windows are correctly installed and that you get the most out of your investment.

Yes, many window installers offer payment plans for their services. Different companies have different financing options, so you should shop around to find the best option for you. Depending on your income level, which is a median of $75,237 a year in Affton, you may be able to qualify for lower interest rates.

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