Business Details
37 Years
experience
Trusted Window and Door Replacement Experts in Chicago
Since 1989, Semko has been a family-owned and operated leader in Chicago's window and door replacement industry. Founded by Hal and his son Jason, our team includes Hal's wife Diana and their sons Adam, Dave, and Bobby, who bring decades of collective expertise to every project. We specialize in providing high-quality vinyl, fiberglass, and wood window solutions, as well as premium patio and French doors from trusted local manufacturers like Advanced Window and Pella. Our commitment to energy efficiency, durability, and aesthetic customization ensures homeowners receive products that enhance comfort, reduce energy costs, and elevate property value.With a lifetime warranty on both materials and installation, 0% interest-free financing options, and a focus on personalized service, we prioritize transparency, no-pressure consultations, and meticulous attention to detail. Serving Chicagoland and surrounding suburbs for over 35 years, our thousands of satisfied customers attest to our dedication to excellence in both product quality and installation craftsmanship.
Services
Replacement Windows
Replacement Doors
Vinyl Windows
Fiberglass Windows
Wood Windows
Patio Doors
French Doors
Double Hung Windows
Casement Windows
Sliding Windows
Details
- Year established: 1989
Highlights and features
- Family-owned since 1989 with hands-on expertise in every project
- Lifetime warranty on windows and installation for long-term peace of mind
- Energy-efficient solutions that reduce heating and cooling costs
- 0% interest-free financing options for affordable upgrades
- Serving Chicagoland communities with personalized, no-pressure consultations
Associations and certifications
- NFRC
- AAMA
What people say
Professional install team
Windows look amazing
Thorough clean up
Great price
Highly recommended
Services
Replacement Windows
Our replacement windows combine durability, energy efficiency, and aesthetic appeal to enhance home comfort and value. Available in vinyl, fiberglass, and wood materials, they feature advanced insulation, low-maintenance designs, and customizable styles to suit any architectural preference. Ideal for homeowners seeking to reduce energy costs while improving their property's appearance and functionality.
Vinyl Windows
Vinyl windows offer exceptional affordability, durability, and energy efficiency with minimal maintenance requirements. Their multi-chambered frames and insulated glass options provide superior thermal performance, while fade-resistant finishes ensure long-lasting beauty. Perfect for homeowners prioritizing cost-effective, energy-saving solutions without compromising on style or quality.
Fiberglass Windows
Fiberglass windows deliver unmatched strength, weather resistance, and energy efficiency with a sleek, modern aesthetic. Their durable construction withstands extreme temperatures and moisture, while low-maintenance finishes preserve their appearance over decades. Designed for homeowners seeking long-term performance and contemporary design in demanding climates.
Wood Windows
Wood windows provide timeless elegance and natural insulation with customizable stains and finishes. Aluminum-clad exteriors protect against weather damage while preserving interior wood beauty. Ideal for historic homes or luxury properties where aesthetic sophistication and thermal efficiency must coexist without frequent maintenance.
Replacement Doors
Our replacement doors include energy-efficient patio, French, and entry options that enhance security, curb appeal, and indoor comfort. Constructed from durable materials like fiberglass, steel, and vinyl, they feature advanced locking systems and insulated glass to improve home efficiency while creating seamless transitions between indoor and outdoor spaces.
Questions
What types of windows does Semko offer?
Semko provides vinyl, fiberglass, and wood windows, including double-hung, casement, sliding, and specialty styles from brands like Pella and Advanced Window.
Do you provide warranties on window installations?
Yes, we offer lifetime warranties covering both windows and installation for long-term protection against defects and workmanship issues.
Can I finance my window replacement project?
We offer 0% interest-free financing options to make home improvements more accessible and budget-friendly for Chicago homeowners.
How long does window replacement take?
Most projects complete within one day after measurement, with windows custom-ordered to fit specific home dimensions and design requirements.
What areas does Semko serve?
We serve Chicago and surrounding suburbs including Naperville, Arlington Heights, Schaumburg, and Evanston, covering over 30 local communities.
Are your installers trained professionals?
Our family-operated business employs experienced crews who follow strict quality standards and safety protocols during every installation process.