The Best Window Installers in Godfrey, IL

Compare the highest-rated windows professionals in Godfrey, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Thompson Window Company

4.8
(180 reviews)
Verified

A family-owned and operated business with a long-standing reputation in the Riverbend area. They are highly regarded for their professional installation, extensive product knowledge, and focus on customer service. They offer a wide selection of windows from leading manufacturers.

3122 Homer M. Adams Pkwy, Alton, IL 62002

Specialties & Features

Window Replacement
Energy-Efficient Windows
Custom Window Solutions

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Renewal by Andersen of St. Louis

4.7
(250 reviews)
Verified

As part of a national brand, this local branch brings significant resources and a strong warranty to the Godfrey area. They specialize in high-end, custom-made, energy-efficient windows and are known for a full-service, consultative approach from measurement to installation.

204 Lamp & Lantern Village, Chesterfield, MO 63017 (Serves Godfrey, IL)

Specialties & Features

Custom Window Solutions
Energy-Efficient Windows
New Window Installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Wallside Windows

4.6
(300 reviews)
Verified

A major regional manufacturer and installer based in Michigan with a strong service area that includes Southern Illinois. They are known for their factory-direct pricing, efficient installation teams, and a strong focus on vinyl replacement windows. They have a significant volume of positive reviews attesting to their value and reliability.

Corporate HQ in Michigan, serves the Godfrey area via dedicated installation crews.

Specialties & Features

Residential Window Replacement
Energy-Efficient Windows
Storm Windows

Business Information

Years in Business:75 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Godfrey

** The window replacement and service market in Godfrey, Illinois, is characterized by steady demand driven by the area's mix of historic and newer homes. As part of the broader St. Louis metro, residents have access to both long-standing local contractors and large regional companies. The competition is healthy, which helps maintain high standards for quality and customer service. **Average Quality:** The quality is generally high, with providers offering everything from standard vinyl replacement windows to premium wood and composite custom solutions. Energy efficiency is a significant selling point due to the region's variable climate. **Competition Level:** Moderate. While there are not dozens of providers physically located within Godfrey's village limits, the market is served effectively by reputable companies from Alton, Edwardsville, and the St. Louis region. This gives homeowners a solid range of choices from local family businesses to established brands. **Typical Pricing:** Pricing is competitive with national averages. A standard double-hung vinyl window replacement can range from **$600 to $1,200 per window**, fully installed. Pricing is highly dependent on the window brand, material (vinyl, wood, fiberglass), size, energy efficiency features, and the complexity of the installation. Custom and high-end products from providers like Renewal by Andersen will be at the top of this range, while companies like Wallside Windows are positioned more in the value-oriented segment.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Godfrey regulations and climate

Frequently Asked Questions About Windows in Godfrey

Get answers to common questions about windows services in Godfrey, Illinois.

1What is the typical cost range for a full home window replacement in Godfrey, IL?

For a standard-sized home in Godfrey, a full window replacement typically ranges from $8,000 to $20,000, depending on the number of windows, materials (vinyl, wood, fiberglass), and energy efficiency features. Illinois's climate, with its hot, humid summers and cold winters, makes investing in quality, energy-efficient windows like double-pane Low-E glass highly advisable, as they significantly reduce heating and cooling costs year-round. Always get itemized quotes from local installers that include removal, installation, and disposal.

2When is the best time of year to schedule window installation in the Godfrey area?

The ideal times are during the mild, stable weather of late spring (May) and early fall (September-October). This avoids the peak humidity and heat of an Illinois summer, which can affect sealant curing, and the freezing temperatures and potential for ice or snow in winter that can complicate installation and create drafts in your home. Scheduling during these shoulder seasons also often provides better installer availability.

3Are there any local permits or regulations in Godfrey I need to be aware of for window replacement?

For standard, like-for-like window replacements on a single-family home, a permit is generally not required in Godfrey or Madison County. However, if you are altering the structural opening (changing the size or shape) or are part of a historic district, you must check with the Godfrey Community Development Department. It is always the homeowner's responsibility to verify, and a reputable local installer will know and guide you through this process.

4How do I choose a reliable window installation contractor in Godfrey?

Prioritize local, established companies with verifiable physical addresses and strong community reputations. Check for proper Illinois licensing (at minimum, a Home Repair license) and insurance (liability and workers' compensation). Ask for references from recent projects in the area and review their handling of local weather challenges, like ensuring proper flashing and sealing against our driving Midwestern rains and wind. The Madison County Better Business Bureau is a good resource for checking local business histories.

5What is the most important energy efficiency feature for windows in our Illinois climate?

For Godfrey's climate, the most critical feature is a low U-factor, which measures how well a window prevents non-solar heat loss during our cold winters. Look for double-pane windows with Low-E (low-emissivity) coatings and argon gas fill. The Low-E coating also helps block solar heat gain in summer. Ensure the installer uses proper, weather-resistant sealing techniques to prevent air infiltration, a common issue with our seasonal temperature extremes and stormy weather.