Expanding What's Possible

New! Magnum® Monumental Hinge

The MAGNUM® MONUMENTAL 4-Bar Hinges can provide easy operation of enormous windows: Up to 110” Tall & Up to 450 lbs, while remaining in the standard 5/8” stack height.

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New Product Showcase

New! OMNI DRIVE™ Systems

Our Revolutionary Outswing Operator drives both the MPL and Vent in a single operation. For Casement & Projection, with a variety of handle styles.

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Expanding What's Possible

NEW! MAGNUM® Bi-Fold Hinges

See our full line of MAGNUM® Top Hung, Bottom Hung and Impact Hardware for Bi-Fold Doors, including our Complete Offerings for Extrusions and Concealed Locking Systems.

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New Product Showcase

New! ENGINUITY™ Automation Systems

ENGINUITY™ for Patio Doors comes with built in safety features pending UL approval, and smart home compatibility which allow for many green initiatives.

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Caldwell Manufacturing

New Products & Technology from your Fenestration Experts

For more than 130 years, Caldwell has created quality hardware for window & door manufacturers around the world.

We are a fenestration industry technology leader; family owned and operated since 1888. Our products are everywhere from homes to schools, office buildings to hotels, even the United Nations Secretariat Building and the Empire State Building in NYC.

Residential windows

Caldwell Manufacturing

Residential Hardware

Caldwell is more than just balances! We are now the leading provider of Automation Systems for Fenestration, specializing in the Residential Fenestration Hardware market.

While we are a longtime premier supplier of spiral, block & tackle, constant force spring, and hybrid window balances, here you will find our new Residential Fenestration Hardware for any part of the home. Featuring our new and expanded Automation Systems, MAGNUM® Bi-Fold hinges and a new Constant Force Balance solution.

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Commercial Window Installations

Caldwell Manufacturing

Commercial Hardware

Here at Caldwell we specialize in expanding the capabilities of Commercial Fenestration Hardware to exceed the market demands, needs, expectations and capabilities.

Whether that be ADA capability, easy operation of enormous vents, new applications or safety concerns like NYC-DOH, Caldwell has a solution for you. Our commercial specialties include multi-bar MAGNUM® hinges, multi-point locking systems featuring OMNI DRIVE™ and other hardware for bigger and heavier commercial applications.

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Caldwell Manufacturing

Fenestration Automation

Window & Door Automation Systems offer not only lifestyle improvements, ADA options and ease of use, but they also allow for many green initiatives and true home or building automation solutions.

Imagine: Windows that open on their own for ventilation or cooling, then close on their own if the wind picks up. Our Patented Automation Solutions for Residential & Commercial markets are here to bring your windows & doors to life and into the future.

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