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

ENERGY STAR^® Qualified Windows, Doors and Skylights

• Buying energy-efficient windows, doors or skylights
• Climate zones for ENERGY STAR labelling
• List of heating degree-day values and zones
• 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 : Windows
• List of models : Sliding glass doors
• List of models : Entry Doors, Sidelites and Transoms
• List of models : Skylights
• Participating window and door manufacturers
• Participating window and door dealers

Repairing or Improving Existing Windows or Doors

• Assess your situation
• Caulking
• Weatherstripping
• Storm windows