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10 Best Window Replacement Companies in Alton, IL

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Written By David Cusick

Last Updated April 2024

Upgrading your windows can be expensive, but is an excellent way to improve the energy efficiency and value of your home. Drafty, leaky windows can cost you in power bills — about an extra $255 a year in Alton. The Department of Energy estimates that about 30% of your home’s heat or cool air could be going out your windows. Deciding on a window installer can be time-consuming, which is why we've compiled this list of the best window installers in Alton.

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Top 10 Best Window Replacement Companies in Alton

Renewal by Andersen

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

Educational website

Free assessment

Timely service

Good customer service

Price transparency

Services Offered

Double-hung
Skylights
Glass doors
Window replacement/installation
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

Free assessment

Good customer service

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

Good customer service

Free assessment

Timely service

Price transparency

Educational website

Services Offered

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

Lyons Glass Company

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2400 Belle St, Alton, IL 62002 (618) 462-2731 lyonsglasscompany.com

Price transparency

Services Offered

Window replacement/installation
Mirrors
Glass doors
Tempered glass
Glass repair
Glass showers

Morse Home Improvement

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2320 Morning Star Dr, Alton, IL 62002 (618) 465-0505 mhi1962.com

Good customer service

Price transparency

Free assessment

Services Offered

Glass doors
Window replacement/installation
Energy-efficient options
Bay windows

Twin-Co, Inc.

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1005 Richard Dr, Godfrey, IL 62035 (618) 466-8946 twin-co.com

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Price transparency

Good customer service

Educational website

Services Offered

Window replacement/installation

Penny Window

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9910 Halls Ferry Road, St. Louis, MO 63136 (314) 867-4355 pennywindowstl.com

Price transparency

Free assessment

Timely service

Educational website

Good customer service

Services Offered

Glass doors
Window replacement/installation
Storm/impact windows
Energy-efficient options
Window repair

Home Services at The Home Depot

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10930 New Halls Ferry Road, St. Louis, MO 63136 (314) 279-3874 homedepot.com

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

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

Just windows and Doors

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4128 Seven Hills Dr, Florissant, MO 63033 (314) 458-0605 justwindowsanddoors.org

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

Window replacement/installation
Energy-efficient options

Energy View Home Improvements

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7220 N Lindbergh Blvd #350, Hazelwood, MO 63042 (314) 598-2969 energyviewhomeimprovements.com

Free assessment

Price transparency

Good customer service

Services Offered

Double-hung
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 Alton?

The cost of window installation or replacement varies 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, homeowners in Alton will 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

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

  • High energy bills and a chilly house from poor window insulation.
  • Fogging between window panes, condensation issues, or rotting window frames letting in moisture.
  • Windows that are hard to close, open, and lock properly due to age and wear.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Outdated and inefficient window styles that detract from your home’s curb appeal.

How To Choose a Window Company

For a successful window replacement, you need to locate an installer with proven expertise. Below, we outline the most important criteria for selecting a window installer.

Experience

Look for an established local window company with a proven track record of success installing all types of windows. Seasoned providers are more likely to be able to seamlessly accommodate Alton's climate and local homeowner needs. To confirm a company deliver quality work, request references from recent customers.

Certifications

Select an installer that is accredited by leading window companies and associations like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor has training in window installation best practices. Confirm that installers are staff rather than subcontracted workers, and verify that any technicians working on your home are certified.

Reputation

Spend time reviewing online feedback, checking the Better Business Bureau, and requesting local references. Review customer feedback to verify that a 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 detailed project plan and schedule, clear expectations, and an overview of all product and installation options. Avoid companies that offer vague quotes or timelines that don't provide specifics upfront. Look for regular contact throughout the process to avoid surprises once work gets underway.

Warranties

Seek out window installers that back their installations with guarantees and provide warranties on materials and labor. This demonstrates confidence in their work. Select companies with unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Verify that your window company works with trusted, long-lasting brands, offers energy-saving window options, and fits your budget. Look for window options with good energy ratings, enhanced UV protection, and design flexibility. Check whether the materials include their own manufacturer warranties.

Frequently Asked Questions About Window in Alton, IL

In Alton, the best time to install windows is during the late fall when the temperature is milder, so the windows can fit and settle properly. A good local window installer in Alton will be able to tell you when the best time is to install windows on your house.

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

The types of window that typically last longest are ones made of vinyl or wood, with double glaze for extra insulation. Vinyl windows are known for their long-lasting nature and require minimal maintenance, and wood windows provide a more classic look. Tripling up on the glazing will help reduce heating and cooling bills over time.

It varies on your specific needs and budget, but generally it's advised to replace all your windows at once if they're not energy efficient. Replacing all your windows at once ensures that you'll get the most out of your energy savings and can possibly save you money in the long run. This is important in Alton, where the average energy bills are roughly $851 a year.

Replacing your own windows can be a difficult task, especially in Alton, where temperatures can get quite warm. It's generally recommended to hire a professional window installer. Their knowledge and experience ensures your windows are securely installed and that you get the most out of your investment.

Window companies in Alton usually offer a range of services, including measuring and installing new windows, fixing existing windows, replacing window glass, and installing 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 ensure that your windows are properly installed, weatherproofed, and insulated, minimizing air leakage and maximizing energy efficiency. Professional installers are also well-equipped with the necessary tools and techniques to do the job right, which can save you time and money.

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