Window & Door Replacement in Kane & McHenry Counties
Expanding from our roots in the neighboring counties, Kornesczuk Windows & Doors provides premium exterior renovations to homeowners in eastern Kane and McHenry counties. Since 1957, we have built our reputation on honest assessments, zero-pressure sales, and meticulous craftsmanship.
Whether you are upgrading original builder-grade windows in Algonquin or replacing a drafty entry door in Lake in the Hills, our experienced crews ensure your home is protected against harsh Illinois winters while enhancing its curb appeal.
Kane & McHenry County Communities We Serve
Our Core Services
Window Replacement
We offer precise insert replacements and complete full-frame rebuilds. We partner with top manufacturers to install premium vinyl, fiberglass, and wood-clad windows tailored to your home's aesthetic and your budget.
Entry & Patio Doors
A door is only as good as its installation. We replace doors as complete systems — including the frame, threshold, weatherstripping, and hardware — ensuring proper fit, maximum security, and long-term performance.
Condominium & HOA Projects
We have extensive experience working with property managers and HOA boards. We handle single-unit replacements to multi-building phased projects while ensuring strict compliance with community guidelines.