Window Types and Technologies | Department of Energy
Combine an energy efficient frame choice with glazing materials for your climate to customize your home's windows and reduce your energy bills.| Energy.gov
Combine an energy efficient frame choice with glazing materials for your climate to customize your home's windows and reduce your energy bills.| Energy.gov
Passive solar design takes advantage of a building’s site, climate, and materials to minimize energy use.| Energy.gov
Energy performance ratings make it easier to shop for energy-efficient windows, doors, and skylights.| Energy.gov
Choose window treatments and attachments that allow you to use natural light while reducing the heat gained.| Energy.gov
