Business Details
17 Years
experience
Trusted Window Repair Services in Diamond, IL
Window Repair Guy began operations in 2009 from a small garage in Coal City, Illinois, and has grown into a respected window repair specialist serving northern Illinois. Our family-owned business focuses on sash replacement, glass replacement, and window restoration services for residential and commercial clients. We specialize in crafting custom sashes for Rockwell, ROW, and Wenco windows using premium Cardinal IG insulated glass with LoE366 coating. Our climate-controlled facility in Diamond, Illinois, ensures optimal working conditions for precision craftsmanship. We prioritize client satisfaction through punctuality, professional conduct, and meticulous attention to detail during every project. Our team guarantees satisfaction while maintaining transparent communication throughout the service process. With over 15 years of local experience, we combine traditional woodworking skills with modern energy-efficient solutions to preserve architectural integrity while improving window performance.
Services
Sash Replacement
Glass Replacement
Factory Parts Service
Window Repair
Energy-Efficient Upgrades
Details
- Year established: 2009
Highlights and features
- Family-owned business serving northern Illinois since 2009
- Specialize in Rockwell and ROW window sash fabrication
- Use premium Cardinal IG glass with 20-year seal warranty
- Climate-controlled facility ensures precision craftsmanship
- Guaranteed satisfaction with meticulous cleanup standards
What people say
Professional and courteous
Excellent install results
Efficient and quiet work
Competitive pricing
Outstanding craftsmanship
Services
Sash Replacement
Custom fabrication of window sashes for Rockwell and ROW windows in our climate-controlled facility. Includes installation of new LoE glass, handles, and hinges. Preserves original window frames while restoring functionality and energy efficiency. Ideal for historic homes and commercial properties seeking cost-effective solutions.
Glass Replacement
Installation of Cardinal IG insulated glass units with LoE366 coating for superior energy efficiency. Addresses foggy, cracked, or outdated glass in existing windows. Includes 20-year seal warranty and argon gas infusion for improved thermal performance in residential and commercial settings.
Factory Parts Service
Replacement of window balances, lock assemblies, and hardware using genuine factory parts. Technicians carry common components for immediate repairs. Special order parts available through established supplier networks for vintage and specialty window systems.
Window Repair
Comprehensive repair services addressing rot damage, seal failure, and mechanical issues. Combines traditional woodworking techniques with modern materials to restore original window functionality. Minimizes need for full replacement through targeted component repairs.
Energy-Efficient Upgrades
Conversion of existing windows to energy-efficient systems using LoE glass and advanced sealing techniques. Reduces heating and cooling costs while maintaining historical accuracy. Includes thermal performance assessment and customized upgrade recommendations for residential properties.
People
Steve
Owner & Lead Technician
Founder with 15+ years of window restoration experience. Specializes in vintage window systems and energy-efficient retrofits. Directly oversees project execution and client communication.
Coty
Senior Technician
Experienced craftsman focusing on precision sash fabrication and installation. Recognized for attention to detail and efficient project completion across residential and commercial jobs.
Carlos
Installation Specialist
Skilled technician with expertise in complex window repairs and component replacements. Maintains high standards for workspace cleanliness and client interaction during on-site services.
Questions
What window repair services do you offer?
We specialize in sash replacement, glass replacement, and window restoration for Rockwell, ROW, and Wenco windows using premium Cardinal IG glass.
Do you serve areas outside Grundy County?
We serve Will & Grundy Counties and surrounding areas including Joliet, Morris, and Wilmington with prompt window repair solutions.
What makes Cardinal IG glass superior?
Cardinal IG glass features LoE366 coating for optimal energy efficiency and includes a 20-year seal warranty, outperforming industry standards.
How quickly can you complete window repairs?
Most sash replacements complete within a week of estimate, with emergency repairs prioritized and scheduled promptly.
Are your technicians insured and trained?
We are a bonded, insured LLC with factory-trained technicians specializing in vintage window restoration and modern energy-efficient upgrades.
Reviews (7)
Robert B.
Jun 01, 2022
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Had them replace 3 sashes for us, they were in and out in about an hour, no mess afterward to clean up either. They were very professional and will be recommending them to others!
Michael Wise
Apr 08, 2022
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Steve and his team replaced 19 windows for us. They were prompt, friendly, and very professional. The windows look great and the work done was excellent, I highly recommend Window Repair Guy.
Ryan J.
Jul 21, 2021
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Steve and his crew have replaced and repaired many of our home windows over the last few years. He's very professional and does great work.
Adam Lowman
Mar 15, 2021
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I contacted WRG after finding bad seals on a few windows in my home. Steve answered promptly and was very informative with my questions and concerns. He came out to measure and inspect what I needed done, he was very friendly and explained everything I needed and didn't try to sell me anything I didn't need. They are a local company and use made in the USA products, that is huge to me. Installers came out a couple weeks later, made a quick a clean change out. I couldn't be happier with my new clear view. Thank you Steve and Coty, I highly recommend giving these guys a call if you are in need of any window repairs!
Jan Klutcharch
Feb 27, 2021
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I contacted Steve regarding several sashes that we needed to replace. He was very prompt with his quote which I felt was very reasonable. I couldn't be happier with his professionalism and installation of these windows. He and Cody took care of everything from removing any window treatments that were in the way to making sure everything was in place before they left. You would never know I had all that work done in a day. I would definitely use them again for the rest of my windows. Jan Klutcharch
Melissa Zirbel
Dec 03, 2020
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Excellent service and pricing. He took my information after hours and provided me a quote the same day. I was very impressed. The window was delivered and installed in less time than I was quoted. I will definately use Window Repair Guy again.
Jennifer M.
Mar 03, 2011
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EXCELLENT!! Cannot express how refreshing it was to have a company that was so professional!! Not only was communication superb, but quality of work was outstanding. Would highly recommend One Source Renovation.