24 Best Window Replacement Companies in Belvidere, IL (2023 Reviews)
Window Companies Near Me
If you're thinking of upgrading to new windows, our guide to the top window installation companies can help.
We analyzed all the top window installers in Belvidere and selected the top 24 based on:
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Customer reviews
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Window replacement expertise
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Popularity with home-owners like you
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Updated May 04, 2023
Why you can trust EcoWatch
A review of the top window replacement companies in Belvidere may not seem like the most captivating article on EcoWatch, but trust us, windows have more of an impact on your life than you might think. According to the Department of Energy, heat or cool air lost through traditional, outdated windows could account for 25-30% of heating and cooling costs.
Replacement windows improve the insulation in your home, not only making you more comfortable during the summer and winter, but also saving you money and helping the environment.
Unlike other sites, EcoWatch ranks window replacement companies on energy efficiency while also considering cost, customer satisfaction and service area.
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Award-winning company
- No lifetime warranty
Best Affordability
Window World
- EnergyStar Partner
- Large serice area
- Lifetime warranty
- Quality of service will depend on your area
Best for Residential Windows
Window Nation
- Manufactures products in-house
- Custom designs
- Wide variety of products and services
- Limited service area
Best Window Replacement Companies in Belvidere
The EcoWatch Reviews team examined dozens of installers across the country to find the best window installation companies for our readers. The providers in this article scored the best in our review categories, which include energy-efficient offerings, customer service, local expertise, price, availability and more.

Renewal by Andersen
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Great industry reputation
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Manufactures products in-house
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Award-winning company
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No lifetime warranty
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window installation business for around 27 years.
It uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in Belvidere?Even though pricing is not available on Andersen's website, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Requesting a free quote on its website is the best way to know for sure.

Window World
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EnergyStar Partner
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Large serice area
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Lifetime warranty
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Quality of service will depend on your area
Window World has windows expertise in Belvidere. Window World has over 27 years of experience in the industry, and it currently provides services to 200 locations nationwide. Hundreds of positive reviews from customers online back the provider's reputation.
It is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsWindow World is an Energy Star partner offering a variety of energy-efficient windows. Note that not all of the company's windows are Energy Star certified, so be sure to ask your Window World representative when inquiring about services.
How much does Window World cost in Belvidere?Window World does not list prices on its website, but it's known for offering some of the most affordable window installations around. For more detailed information on pricing, you can get a quote from the company.

Window Nation
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Manufactures products in-house
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Custom designs
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Wide variety of products and services
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Limited service area
Window Nation provides the best residential windows in Belvidere. Window Nation has around 16 years of industry experience, and it currently serves residents within 75 miles of its showrooms, which are in 13 states. Its reputation is backed by hundreds of positive reviews on customer review websites.
It has established itself as a company that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsThere are a wide range of window types available from Window Nation, some of which are Energy Star products. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in Belvidere?Pricing information is not available on Window Nation's website, as the cost of window installment varies greatly based on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. You can ask for a free quote on its website for more information about pricing.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct has the best warranty in Belvidere. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This company has been operating since 2002 and currently services 27 states nationwide. Its reputation is backed by all the positive reviews from customers online.
It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct's commitment to sustainability shows in its energy-efficient window offerings. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in Belvidere?Universal doesn't have any cost information displayed on its website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. If you'd like more accurate pricing information, you can inquire about a quote on the company's website.
Please note that the companies in this section are national, which means the quality of customer service may vary depending on your local team. We have tried to stay unbiased and transparent by listing both pros and cons for every company.
More Window Replacement Companies in Belvidere
Window World of Rockford
Loves Park, IL-
Educational Website
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Free assessment
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Timely Service
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Good Customer Service
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Price Transparency
Services Offered
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Fast Delivery
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Glass Showers
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Sliding Glass
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Bay Windows
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Commercial Windows
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Residential Windows
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Custom Window Designs
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Energy-Efficient Options
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Double-Hung
Budget Blinds of Walworth County
Elkhorn, WI-
Free assessment
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Good Customer Service
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Educational Website
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Price Transparency
Services Offered
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Aluminum Window Frames
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Custom Window Designs
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Glass Showers
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Residential Windows
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Commercial Windows
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Fast Delivery
Budget Blinds of Janesville
Janesville, WI-
Educational Website
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Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Fast Delivery
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Glass Showers
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Custom Window Designs
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Aluminum Window Frames
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Residential Windows
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Commercial Windows
Fire Guys Tinting
Antioch, IL-
Educational Website
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Good Customer Service
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Timely Service
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Price Transparency
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Free assessment
Services Offered
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Stained Glass
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Commercial Windows
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Custom Window Designs
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Fast Delivery
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Residential Windows
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Sliding Glass
Mr. Handyman of Naperville
Geneva, IL-
Educational Website
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Free assessment
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Timely Service
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Award-Winning
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Price Transparency
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Good Customer Service
Services Offered
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Custom Window Designs
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Residential Windows
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Double-Hung
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Glass Showers
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Commercial Windows
XL Contracting
Roscoe, IL-
Free assessment
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Price Transparency
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Good Customer Service
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Award-Winning
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Educational Website
Services Offered
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Residential Windows
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Double-Hung
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Fast Delivery
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Custom Window Designs
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Commercial Windows
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Energy-Efficient Options
Casco Industries
South Elgin, IL-
Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Custom Window Designs
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Double-Hung
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Glass Showers
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Sliding Glass
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
Window Concepts
South Barrington, IL-
Price Transparency
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Educational Website
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Good Customer Service
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Free assessment
Services Offered
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Custom Window Designs
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Commercial Windows
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Residential Windows
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Bay Windows
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Sliding Glass
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Double-Hung
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Energy-Efficient Options
WarmDreams Windows & Doors
East Dundee, IL-
Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Sliding Glass
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Residential Windows
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Double-Hung
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Bay Windows
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Fast Delivery
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Energy-Efficient Options
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Custom Window Designs
Meklee Interiors
St. Charles, IL-
Price Transparency
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Free assessment
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Good Customer Service
Services Offered
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Commercial Windows
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Energy-Efficient Options
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Bay Windows
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Sliding Glass
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Glass Showers
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Custom Window Designs
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Residential Windows
Pella Windows & Doors of Rockford
Rockford, IL-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Double-Hung
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Bay Windows
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Fast Delivery
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Custom Window Designs
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Sliding Glass
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Residential Windows
Home Services at The Home Depot
Algonquin, IL-
Price Transparency
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Good Customer Service
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Free assessment
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Educational Website
Services Offered
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Bay Windows
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Double-Hung
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Glass Showers
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Stained Glass
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Custom Window Designs
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Residential Windows
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Fast Delivery
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Commercial Windows
Advanced Window Systems
Rockford, IL-
Educational Website
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Price Transparency
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Free assessment
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Good Customer Service
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Award-Winning
Services Offered
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Residential Windows
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Commercial Windows
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Bay Windows
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Double-Hung
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Sliding Glass
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Energy-Efficient Options
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Custom Window Designs
Sunset Siding Windows & Roofing
St. Charles, IL-
Timely Service
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Full-Service Installations
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Stained Glass
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Residential Windows
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Fast Delivery
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Custom Window Designs
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
Geneva Glass Works
Geneva, IL-
Good Customer Service
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Educational Website
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Free assessment
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Price Transparency
Services Offered
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Commercial Windows
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Energy-Efficient Options
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Glass Showers
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Custom Window Designs
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Aluminum Window Frames
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Fast Delivery
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Residential Windows
Your Window Solutions
Lake in the Hills, IL-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Double-Hung
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Sliding Glass
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Residential Windows
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Custom Window Designs
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Energy-Efficient Options
Great Outlook Glass
Dundee, IL-
Educational Website
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Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Commercial Windows
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Custom Window Designs
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Glass Showers
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Residential Windows
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Sliding Glass
Window Well Services LLC
Elgin, IL-
Educational Website
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Free assessment
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Good Customer Service
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Price Transparency
Services Offered
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Custom Window Designs
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Residential Windows
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Fast Delivery
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Aluminum Window Frames
Barrington Promar Window Replacement
Barrington, IL-
Educational Website
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Price Transparency
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Award-Winning
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Good Customer Service
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Free assessment
Services Offered
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Commercial Windows
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Energy-Efficient Options
Country Glass, Inc.
Beloit, WI-
Price Transparency
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Timely Service
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Good Customer Service
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Educational Website
Services Offered
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Fast Delivery
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Residential Windows
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Double-Hung
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Commercial Windows
City Glass Company, Inc.
Janesville, WI-
Free assessment
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Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Aluminum Window Frames
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Commercial Windows
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Residential Windows
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Custom Window Designs
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Glass Showers
Friendly Windows | Window Replacement
Suite #200F, IL-
Price Transparency
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Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Custom Window Designs
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Residential Windows
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Double-Hung
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Commercial Windows
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Sliding Glass
Home Services at The Home Depot
Rockford, IL-
Educational Website
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Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Custom Window Designs
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Commercial Windows
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Bay Windows
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Residential Windows
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Stained Glass
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Fast Delivery
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Glass Showers
Home Services at The Home Depot
IL-83, IL-
Good Customer Service
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Free assessment
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Price Transparency
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Educational Website
Services Offered
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Glass Showers
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Stained Glass
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Custom Window Designs
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Fast Delivery
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Residential Windows
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Bay Windows
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Commercial Windows
How Installing Energy-Efficient Windows in Belvidere Saves You Money
Energy-efficient windows can benefit you in more than one way. Here are a few reasons you may want to think about making the switch:
- Protect your investment: If you have a relatively old home, your windows are most likely outdated. Upgrading your windows can improve the insulation in your home and also help raise the value of your home if you decide to sell.
- Decrease your carbon footprint: In Belvidere, you can reduce your indirect greenhouse gas emissions by about 449 pounds per year after you upgrade to energy-efficient windows.
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only insulate your home better, but also filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
- Save on electricity bills: The Department of Energy estimates that heat gained or lost through windows accounts for about 25-30% of residential energy use. Switching to energy-efficient windows can help lower that amount, which helps you save $318 a year on your bills.
Estimated Cost of Window Replacement in Belvidere
When looking into window installation, each company provides different services and prices. Let's go over some typical costs and services.
How Much Do New Windows Cost?
Although the typical of replacing a single window is about $600, it can range from $200 to $1,200. How much it will cost you varies depending on several factors, including type, size, material, the location of your home, number of windows and more.
Whether or not you want energy-efficient windows is another factor that will determine the cost. These will usually cost more than other windows, but on the other hand, you can save about $318 a year on your energy bills in Belvidere.
Costs will also vary based on the material of your frame. Aluminum frames are the least expensive. They're sturdy, light and maintenance-free, but provide poor insulation. Vinyl frames are a bit more expensive and provide good insulation. Composite frames made from wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames are the most expensive and are the most in-demand. They're also aesthetically pleasing and provide decent insulation for your home.
What Services do Window Installers Offer?
In regard to window replacements, in general there are two kinds that your provider will offer: full-frame and pocket installations.
Full-frame installations require replacing the whole window — the sill, frame, trim and all. These are most common when you want a different style for your windows or when it has significant deterioration. Full-frame installations involve more time and labor and will increase overall costs. Pocket installations (or retrofits) entail replacing a window within the existing frame, which makes pocket installations less labor-intensive and costly. However, if the frame has any rot or deterioration, you will likely need a full-frame installation instead.
If you're hiring a reputable window installation company, your company can advise you on the best type for your project. In Belvidere, the choice will mostly be influenced by the efficiency of your home and the age and condition of your existing frames.
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Award-winning company
- No lifetime warranty
Best Affordability
Window World
- EnergyStar Partner
- Large serice area
- Lifetime warranty
- Quality of service will depend on your area
Best for Residential Windows
Window Nation
- Manufactures products in-house
- Custom designs
- Wide variety of products and services
- Limited service area
How We Choose the Best Window Installers in Belvidere
EcoWatch reviews differ from most reviews because we're examining these companies through a sustainability lens. We have evaluated the top window installers in Belvidere mainly based on energy efficiency, as it's the most sustainable option and the best one for homeowners. Energy-efficient windows can cut your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
Because this is a guide for Belvidere, we gave more points to companies that provide services to the city. There are certainly other reputable providers that didn't make our list because of the low odds that they would serve the average homeowner in Belvidere.
Work Quality
When selecting new windows, the quality and range of services can often play just as important of a role in insulation and performance as the brand you opt for. We do give window installers higher marks if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
Another self-explanatory yet very important review factor is customer feedback. If the majority of customers don't have nice things to say about their service from a certain window installation company, it won't be featured on EcoWatch.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing the prices of providers, we gave higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
Protecting your investment in new windows is important. That's why window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Due to Belvidere's climate, homeowners need to be wary of low efficiency, rot and water damage. We factored in local experience to reflect the ability of Belvidere window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Belvidere, IL Window Replacement FAQs
How much should a window install cost?
The average cost to install a window ranges from $450 to $650. There are many factors that affect how much it costs, which include the materials used in designing the windows, local labor costs, the number of windows, how energy-efficient the windows are, styles and sizes of windows and your property's location.
Which kind of window is the best?
A window's energy efficiency depends on a number of factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are often the most energy-efficient and are certified by the U.S. Department of Energy.
When do I need to use a window installation company?
Unless you have home repair skills and have the time needed to replace your own windows, we recommend hiring a professional installer. The window installation process is complicated and can take anywhere from four to six hours for a single window. Although it's tempting to try to save some money by doing it yourself, hiring a company is a faster, more efficient and much safer option.
When is the best time of year to replace windows?
While you can install windows any time of year, warmer weather is often better for replacing windows. In addition, it shouldn't be raining, as rain can make the installation more difficult.
Should I replace my windows all at once?
If you want to get more efficient windows and save money on your energy bills, replacing all your windows at once is the only way to see a noticeable difference. However, if you have just a few windows that are broken or leaky, you can replace just those.