Windows
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Optimizing Your Window Package
How to select the best windows based on operation type, performance data, and wall assembly
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Heat Transfer Through Windows
Do you really need that much window area? Too much glazing can result in energy inefficiencies and occupant discomfort.
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Windows for Hot Climates
A guide to high-performance windows for homes in southern regions
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Old Windows: Restore or Replace?
The owner of a 1901 Victorian asks which approach is best when the house is undergoing a major energy upgrade
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A Buyer’s Guide to Windows
A resource for materials, styles, and ratings to help you choose the right windows
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A Beginner’s Guide to High-Performance Windows
There’s lots of published performance data on windows. Here’s how to use the information.
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Integrating Windows to Ensure Building Performance
A detail for wrapping the sill into a wall assembly’s four control layers
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FAQ: Flashing an Existing Window
The same techniques that protect new windows from water leaks can be adapted to windows already in place
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Tracking Down a Stubborn Leak
After spending $26,000 on stucco repairs, a frustrated homeowner still finds water problems
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The Road Ahead for Insulating Glass
Glazing is still the weak link in the thermal envelope, but new techniques promise better performance in the future