German System Windows

German System Windows Suppliers, designers and installers of high performance certified passive house windows & doors from partners Internorm-Austria and Salamander-Germany.

When does aluminum make sense for a project?Not every project requires aluminum, but for the right application, it offer...
06/11/2026

When does aluminum make sense for a project?

Not every project requires aluminum, but for the right application, it offers exceptional performance, aesthetics, and longevity.

Thinking about your next project? We’d be happy to help you determine the best solution for your home.

The Supreme S700 - offers you maximum ease of use and high functionality, enhanced natural light thanks to wide glazing ...
06/06/2026

The Supreme S700 - offers you maximum ease of use and high functionality, enhanced natural light thanks to wide glazing surfaces and high energy savings thanks to the exceptional energy efficiency!

Proud to contribute our triple-pane glass windows and armored doors to this beautiful project at the Russian Orthodox Ch...
05/27/2026

Proud to contribute our triple-pane glass windows and armored doors to this beautiful project at the Russian Orthodox Church in Windsor, Ontario. Honored to be part of creating a space built to last for generations!

Light, space, and effortless design.GSW windows don’t just frame the view—they elevate the entire home. Clean lines, nat...
04/24/2026

Light, space, and effortless design.

GSW windows don’t just frame the view—they elevate the entire home. Clean lines, natural light, and a seamless flow throughout every space.

📍 Traverse City, Michigan

Light, space, and effortless design.GSW windows don’t just frame the view, they elevate the entire home. Clean lines, na...
04/24/2026

Light, space, and effortless design.

GSW windows don’t just frame the view, they elevate the entire home. Clean lines, natural light, and a seamless flow throughout every space.

📍 Traverse City, Michigan

European elegance meets everyday functionality.Tilt for gentle airflow, turn for full access—our tilt & turn windows are...
04/24/2026

European elegance meets everyday functionality.

Tilt for gentle airflow, turn for full access—our tilt & turn windows are designed to adapt to how you live. Clean lines, superior energy efficiency, and effortless operation all in one.

02/25/2026

No matter the weather, we keep our promises!

02/17/2026

Production in full swing 💪🏼 Excited for all the projects this year! If you’re interested in working with us, we’d love to hear more about your project! Fill out the form on our website and we’ll get back to you as soon as possible!

Bold first impressions start at the front door 🔥This vibrant pop of color instantly elevates the entrance—modern, confid...
01/28/2026

Bold first impressions start at the front door 🔥
This vibrant pop of color instantly elevates the entrance—modern, confident, and full of personality. The rich hue isn’t just a design choice; it sets the tone for the entire home, welcoming you in with warmth and style while making a statement that’s impossible to miss.

🚪 Entry doors leaking energy? Not with GSW multi chamber UPVC frame.Multi-chamber UPVC frames reinforced with steel elim...
01/27/2026

🚪 Entry doors leaking energy? Not with GSW multi chamber UPVC frame.

Multi-chamber UPVC frames reinforced with steel eliminate thermal bridging, achieving U-values as low as 0.18 BTU/hr.ft².°F for airtight balcony exits. Zero condensation risk with desiccant-filled warm-edge spacers and triple glazing, preserving full energy integrity (air infiltration just 0.1 cfm/ft²).

Address

7187 Jackson Road
Ann Arbor, MI
48103

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm
Saturday 9am - 2pm

Telephone

+17347093566

Website

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