Certified Lang Windows Installer Serving Chicagoland with Expert Replacement Services
- Welsh Windows Plus
- May 6
- 2 min read

When you invest in new windows, you want products built to last and a team you can trust to install them right. That’s why homeowners across the Chicagoland Suburbs choose Welsh Windows Plus—a top-tier Lang Windows contractor—for precision window replacement backed by more than 18 years of experience.
Our close partnership with Lang Exterior Windows, a trusted Chicago-based manufacturer, means you get high-performance, energy-efficient windows installed by local professionals who care about your home, budget, and satisfaction.

Why Homeowners Choose Lang Exteriors Windows
Lang Exteriors Windows are designed and manufactured in Chicago and built specifically for Midwest homes. Here’s what sets them apart:
Energy Efficiency: Lang’s vinyl windows are engineered to reduce air leakage and improve insulation, saving you money on heating and cooling.
Weather-Resistant Design: Durable construction withstands Chicago’s harshest winters and humid summers.
Stylish Options: From classic double hung windows to bold bay and bow styles, Lang offers customizable designs to match any home.
Affordability Meets Quality: Lang Windows delivers premium performance without premium pricing—ideal for value-conscious homeowners.
Why Choose Welsh Windows Plus?
As a leading Lang Windows contractor, Welsh Windows Plus brings expert craftsmanship and customer-first service to every project. Here’s why we’re trusted by homeowners across the South Suburbs:
Certified Expertise: We specialize in Lang window replacement, ensuring each unit is installed for maximum performance and longevity.
Family-Owned, Local Focus: Based in Alsip, we proudly serve the surrounding South Chicagoland communities with personalized, hands-on service.
Customer-First Approach: From your first consultation to final walkthrough, we treat your home like it’s our own—with no-pressure quotes and fair, honest pricing.
High-Quality Workmanship: With 18+ years of experience, our team delivers clean, efficient installations that maximize energy savings and boost curb appeal.
Proven Reputation: We’re backed by dozens of 5-star reviews on Facebook and Google, with customers praising our professionalism, responsiveness, and results.
Proudly Serving the Chicagoland Suburbs
Alsip, Blue Island, Bridgeview, Burbank, Chicago Heights, Chicago Ridge, Crestwood, Crest Hill, Dolton, Frankfort, Homer Glen, Homewood, Joliet, Lemont, Lockport, Matteson, Merrionette Park, Mokena, New Lenox, Oak Forest, Oak Lawn, Orland Hills, Orland Park, Palos Heights, Palos Hills, Palos Park, South Holland, Tinley Park, and Worth.
If you live in or near these areas, let us help you upgrade your home with beautiful, energy-efficient Lang Windows.
Start with a Free Consultation
Choosing Lang Windows installed by Welsh Windows Plus means you get the best of both worlds: locally made windows built for Chicago homes, installed by a team that truly cares about your satisfaction.
Welsh Windows Plus – Your Local Lang Windows Replacement Expert
📞 Call us at 888-405-7587