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10 Years
experience
Emergency
services
Professional Window Repair Services in Chicago
At Rotten Window Repair, we specialize in restoring the functionality and aesthetic appeal of damaged windows through expert repair services. With over 8 years of experience, our team prioritizes cost-effective solutions by focusing on repairs rather than replacements whenever possible. We address issues such as rotting wood, broken glass, and damaged frames using high-quality materials tailored to each project's needs. Our services include sash and frame repairs, glass replacement, and energy-efficient caulking, serving Chicago and surrounding suburbs.

Backed by warranties of up to 20 years on thermal seals, we offer free estimates and inspections to ensure transparency and customer satisfaction. Our commitment to quality craftsmanship and honest service has earned us a reputation for reliability, as reflected in numerous positive customer testimonials highlighting our professionalism, timely service, and competitive pricing.
Services
Window Repair Sash Replacement Glass Replacement Frame Restoration Caulking Services Patio Door Repairs Wood Rot Repair Hardware Replacement Energy Efficiency Upgrades Foggy Glass Repair
Details
  • Year established: 2016
Highlights and features
  • 8 years of specialized experience in window repair and restoration
  • 20-year warranty on thermal seal for insulated glass units
  • Free estimates and honest evaluations with no hidden fees
  • Prioritize repairs over replacements to maximize cost savings
  • Positive customer testimonials highlighting professionalism and reliability
What people say
Very professional Reasonably priced Top notch work Honest assessments Timely service
Services
Window Repair
Our window repair service addresses rotting wood, broken glass, and damaged frames to restore functionality and appearance. We use high-quality materials to ensure durability while maintaining the original window structure. This service improves energy efficiency and extends window lifespan, providing cost-effective solutions compared to full replacements.
Sash Replacement
Sash replacement involves repairing or replacing damaged window sashes to ensure smooth operation and proper insulation. We match materials to existing windows while improving energy efficiency. This service restores window functionality and enhances home aesthetics without requiring full window replacement.
Glass Replacement
We replace foggy, cracked, or broken glass units while preserving window frames. Using energy-efficient options like Low-E and tempered glass, this service improves insulation and visibility. Our replacements come with 20-year thermal seal warranties for long-lasting performance and customer satisfaction.
Frame Restoration
Frame restoration addresses structural damage to window frames caused by rot or wear. We replace damaged sections with high-quality materials to restore stability and prevent further deterioration. This service maintains window integrity while improving energy efficiency and preventing costly replacements.
Caulking Services
Our caulking services enhance insulation by sealing gaps around windows with UV-resistant materials. This prevents air leaks, reduces energy costs, and protects against moisture damage. The service extends window lifespan while improving indoor comfort through better temperature regulation.
Questions
What types of window issues do you fix?
We repair rotting wood, cracked or foggy glass, faulty hardware, and damaged sashes or frames, including double-pane window replacements and older window restoration.
Do you offer emergency repairs?
Yes, we provide emergency window repair services for urgent issues requiring immediate attention.
Are your repairs covered by warranties?
Yes, we offer 3-year hardware warranties, 10-year woodwork warranties, and 20-year thermal seal warranties on insulated glass.
How can I get a quote?
Request a free quote through our website, phone call, or email, followed by an on-site inspection to provide accurate pricing.
Do you replace windows if repairs aren't possible?
We recommend replacement only when necessary, offering sash replacement or new window installation options tailored to your needs.