Windows, Doors and Skylights

Fenestration Products

• Introduction
• The Importance of installation
• Design issues
• Condensation and humidity
• Heat loss
• Types of windows and skylights
• Components of windows and skylights
• Door components and types
• Energy performance
• Improving Window Energy Efficiency (PDF)

ENERGY STAR^® Qualified Windows, Doors and Skylights

• Buying energy-efficient windows, doors or skylights
• Climate zones for ENERGY STAR labelling
• ENERGY STAR qualifications for fenestration products
• Frequently asked questions on ENERGY STAR qualified fenestration products
• Sample ENERGY STAR labels to look for
• ENERGY STAR technical specifications for manufacturers
• List of models
• Participating window and door manufacturers
• Participating window and door dealers

The ENERGY STAR name and symbol is administered and promoted in Canada by Natural Resources Canada and is registered in Canada by the United States Environmental Protection Agency