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10 Best Window Replacement Companies in O'Fallon, IL

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Written By David Cusick

Last Updated February 2024

Whether you're tackling home renovation projects or are simply in need of a change, replacing your windows is a great idea. Your windows play an important role in energy efficiency and home value. In O'Fallon, you could save nearly $316 per year on your energy bills after replacing your windows. Drafty or damaged windows can decrease your home’s energy efficiency by up to 30%, according to the Department of Energy. When searching for a window installer, it's important to choose the right one, so we've assembled this guide to the top window installation companies in O'Fallon.

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Top 10 Best Window Replacement Companies in O'Fallon

Renewal by Andersen

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

Price transparency

Timely service

Free assessment

Educational website

Good customer service

Services Offered

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

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
Double-hung
Glass doors
Window replacement/installation

Window World of St. Louis

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

Good customer service

Price transparency

Free assessment

Educational website

Timely service

Services Offered

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

L&D Wilson's Siding & Roofing Inc

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502 S Fritz St, Lebanon, IL 62254 (618) 632-2389 wilsonsidinginc.com

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Free assessment

Timely service

Good customer service

Services Offered

Window replacement/installation
Energy-efficient options
Window repair
Double-hung

Home Services at The Home Depot

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

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

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

Jacob Sunrooms, Exteriors & Baths

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9723 IL-161, Fairview Heights, IL 62208 (618) 397-4391 jacobsunroom.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Glass showers
Vinyl frames
Window replacement/installation
Fiberglass frames
Energy-efficient options

Butler Home Improvement

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906 Vandalia St, Collinsville, IL 62234 (618) 344-7073 butlerhomeimprovement.com

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Educational website

Good customer service

Price transparency

Services Offered

Window replacement/installation

Windoor - Unlimited

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200 Collinsville Rd, Troy, IL 62294 (618) 505-7502 windoor-unlimited.com

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Price transparency

Educational website

Good customer service

Services Offered

Glass doors
Custom window designs
Window replacement/installation

Quality Installation

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1108 N Belt W, Swansea, IL 62226 (888) 677-6838 qualityinstallation.net

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Good customer service

Services Offered

Window replacement/installation
Glass doors

John Boushard Home Remodeling

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2 Kelly Dr, Granite City, IL 62040 (618) 779-4873 johnboushardremodeling.com

Price transparency

Free assessment

Good customer service

Services Offered

Window replacement/installation
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 O'Fallon?

Window installation and replacement costs 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, O'Fallon homeowners should expect to spend roughly $260 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

Adding new energy-efficient windows can significantly improve your home's value, insulation, comfort, noise reduction, and appearance. Signs that it's time to invest in new windows include the following:

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

How To Choose a Window Company

Hiring an experienced window installation contractor contributes to a great experience and excellent results. Below, we outline the main considerations for identifying a qualified window installer.

Experience

Find well-established local installers with lots of experience. Installers that have worked in O'Fallon for years are more likely to know the local climate and how to best meet your needs. Request references from recent customers to verify that a provider delivers quality work.

Certifications

Choose companies that have certifications from leading window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Certification means they've been properly trained in installation best practices. Make sure installers are staff rather than subcontractors, and confirm the technicians doing your job are certified.

Reputation

Read through online customer feedback, check the Better Business Bureau (BBB), and ask for local references. Review customer feedback to verify that the contractor consistently provides quality work and good customer service. Avoid contractors that have complaints of shoddy work or unfinished jobs.

Process

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

Warranties

Seek out window installers that assure quality installations and offer warranties on materials and labor. This is a sign of expert workmanship. Opt for companies with unlimited lifetime warranties that transfer to new homeowners.

Materials

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

Frequently Asked Questions About Window in O'Fallon, IL

In O'Fallon, the best time to install windows is when temperatures are mild, generally in the spring or fall. This allows installers to do their work with less worry about extreme temperatures.

The best type of replacement windows for your O'Fallon home depends on the year your home was built –the average house in O'Fallon was built around 1985. If your home was built a while ago, you might want to consider efficient windows such as double-pane 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 perfect for older homes. For newer homes, you might want to think about vinyl windows, which are affordable, durable and have a modern look.

You can save money on window installation by going with a cheaper option like single-hung vinyl windows. These have lower costs compared to more expensive windows such as double-hung, wood, or fiberglass windows.

The window installation process typically involves ordering and measuring the windows, prepping the surrounding area for installation, removing the old window, putting in the new one, and sealing the frame. Depending on the kind of window being put in, additional steps may be required.

In some cases, you can replace your own windows, but it's generally recommended to hire a professional. It's important to consider the local climate when replacing windows, as it will have an effect on the process. For example, the temperatures in O'Fallon can reach an average high of 65, so you should think about energy-efficient windows that can deflect from the heat. It's also important to measure correctly and follow the instructions for installation. Hiring a professional for your window replacement project will guarantee that everything is done correctly.

You should clean off any debris or dirt buildup on the windows when they get dirty. Additionally, you should 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 annually for any hidden damages or issues.

Yes, many window installers offer payment plans for their services. Different companies have different financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $96,698 a year in O'Fallon, you may be able to qualify for special payment plans.

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