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Producing quality windows and
doors that stand up to Chicago's
toughest weather since 1975

Protect your home through every
season with ClimateGuard

REPLACEMENT WINDOWS THERMAFORCE WINDOW SERIES ULTRAVIEW WINDOW SERIES PROSOURCE WINDOW SERIES THERMAFORCE WINDOW TECHNOLOGY

ClimateGuard Windows

Add beauty, value, and energy savings with ClimateGuard Windows and Doors. Operating on Chicago’s North Side since 1975, we manufacture all of our windows, doors, and ornamental ironwork in our local facility. Whether you’re a homeowner or contractor in need of new or replacement windows in Chicago, our selection is unmatched. Explore ClimateGuard Windows and discover a wide variety of styles, shapes, and operating types to complement your home.

Window Series

We offer three distinct product lines of new and replacement windows made in Chicago. Each line is designed to accommodate a certain budget, level of performance, aesthetic appeal, and architectural style. Regardless of your home’s requirements and your personal tastes, you’re certain to find the ideal window for your space. Browse our window series to find the product that’s right for you.

Stronger & More
Durable, Quality Vinyl

Our most popular window

Competitively Priced,
Low Maintenance Vinyl

The builders’ choice

Superior Strength,
Quality Aluminum

For condos & high-rises

Impact Resistant,
Fully Weather Stripped

Durable storm windows

FREE IN-HOME ESTIMATE

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PERFORMANCE

View thermal and structural performance reports for
each window in our ProSource series.

PERFORMANCE REPORTS

WARRANTY

Read up on our warranty and installation
policies ahead of getting your new windows.

WARRANTY & INSTALLATION