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2020 Best Window Contractor & Best Siding Contractor

The What Rocks Awards honors people, businesses and organizations that run the gamut of what Rockford has to offer. In the Goods & Services category, Window World of Rockford was proudly voted the top Window Contractor and Siding Contractor in the Rock River Valley!

Energy Star Logo

Promoting Energy Efficiency

A combined program with the U.S. Environmental Protection Agency and U.S. Department of Energy, ENERGY STAR helps us save money and protect the environment. EPA’s ENERGY STAR partnership utilizes energy-efficient products and practices to help measure performance, set goals, track savings and reward improvements.

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Supported by a Decade of Excellence

Since 1909, the Good Housekeeping Seal protects consumers—and we’ve earned it consecutively for 10 years. To earn the seal, products must undergo review from scientists and engineers at the Good Housekeeping Institute. The protection promises a refund or replacement for defective products within two years of purchase.

Better Business Bureau Logo

Delivering an Exclusive Level of Trust

For more than 100 years, the Better Business Bureau (BBB) has been helping consumers find businesses and brands they can trust. As the leader in integrity and performance, Window World is honored to possess an accreditation of this caliber that showcases our strict standards for product quality and customer service.

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Staffed With EPA-Approved Providers

The Environmental Protection Agency (EPA) Lead-Safe Certification program is required by the Lead Renovation, Repair and Painting Rule. Designed to lower the risk of lead contamination from home renovation activities, all firms that perform renovations must be trained by EPA-approved providers. Window World and every firm certified by the EPA are provided a certificate and identification number. Learn more about how we are EPA Certified.

Qualified Remodeler Top 500

Dominating Prominent Industry Rankings

Qualified Remodeler’s Top 500 and Remodeling magazine recognizes the nation’s largest remodeling companies for significant success based on annual revenue, total years in business, community service and accolades earned. Window World outperformed their competitors, securing the #1 spot of any exterior/replacement contractor year after year.

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Awards & Accreditations

  • Good Housekeeping logo
  • Energy Star logo
  • Made in USA
  • bbb logo a+
Digital Marketing Strategy for Home Services by TriMark Digital

*10 Window Offer: 10 Any Size (Up to 4’x 6’) White Vinyl Welded Double-Hung Style 4000 Series, Tilt-to-Clean, Solar Zone, Insulated Glass & Foam Insulation Jambs & Heads Included. Low-e+ Argon Gas. Basic Installation. Custom Exterior Trim & New Construction Install Extra. Additional Charges May Apply. Call for Details. Not to be combined with other offers. Not Valid on Prior Estimates, Purchases, or Work in Progress. Minimum Purchase of 10 DH Windows Required.

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