Window and glass specialists in Merrillville, IN
3 verified window and glass specialists serving Merrillville and the surrounding area. Window replacement, glass repair, mirrors, screens and skylights. Free and no obligation.
Trim-A-Seal Home Improvements
At Trim-A-Seal Home Improvements, we're dedicated to providing a different kind of home improvement experience. With 75 years of experience and trust built behind our name, we serve our customers dependably throughout the ENTIRE home improvement process-from consultation to installation and beyond. Our expert team believes in high standards for craftsmanship... and we carry the warranties to back it up. Whether it's windows, doors, siding, garage floor coatings, retractable awnings, or gutter guards, trust us to handle everything so you can relax and enjoy your beautifully transformed home! We proudly serve Northwest Indiana and Chicagoland including Merrillville, Schererville, Valparaiso, Hammond, Gary, Munster, Orland Park, and many more!
View profileZeller Windows & Siding Inc.
No reviews yetWe sell, furnish and install Replacement Windows, Siding and Gutter systems. Roofing and Soffit Fascia systems to keep water away from residential homes. All products offer unique features to give homeowners the biggest return on investment.
View profileWindow Depot of NWI
No reviews yetWindow replacement, siding replacement, door replacement, sunrooms, bathrooms and more
View profileWindows & Glass in Merrillville, IN: a homeowner's guide
Common windows & glass jobs in Merrillville, IN
- Full window replacement
- Insert / retrofit windows
- Glass and glazing repair
- Mirrors and shower glass
- Skylights, screens and window tinting
What affects the cost
- Frame material — vinyl, wood, fiberglass or aluminum
- Double vs. triple pane and Low-E coatings
- Full-frame vs. insert installation
- Number, size and floor level of windows
- Trim, stucco or siding repair around openings
How to hire the right pro
- Ask for the ENERGY STAR rating and U-factor of the product
- Confirm whether it's a full-frame or insert install
- Get the glass and frame warranty in writing
- Ask how they handle disposal of old windows

Need hardware for your windows & glass project?
We also own Hinge Outlet — professional-grade hinges, handles and door hardware shipped fast. Homeowners can claim a one-time 20% code, capped at $500 in savings.
Nearby cities in Indiana
Hiring window and glass specialists in Merrillville
Every business on this page is a published profile in Merrillville, Indiana, with its own services, ratings and contact details. Reach out to two or three, compare what's included, and hire directly — we never take a commission on your project.
Want a wider radius? See all window and glass specialists in Indiana or open the map search.
Frequently asked questions
How much does windows & glass work cost in Merrillville, IN?
Prices vary by project size, materials and access. The best way to get an accurate number is to compare a few free quotes from verified local pros — most homeowners gather 2–3 before deciding.
Are these contractors verified?
Verified contractors have claimed their profile and confirmed their business email or phone number.
Does it cost anything to contact a contractor?
No. Browsing profiles and reaching out is completely free with no obligation. You only pay the contractor you choose to hire.
How do I choose the right pro in Merrillville, IN?
Compare ratings and review counts, check that the services listed match your project, and ask each pro about timelines, warranties and who handles permits.
