Selecting windows for energy efficiency

Abstract

New window technologies have resulted in greater energy benefits and more practical options for home. This selection guide will help homeowners and designers take advantage of the expanded window market. Topics include the following: insulating value of windows; window energy glossary; reventing condensation; recommendations for selecting window U-factors; window orientation and solar control; ultraviolet protection; ventilation and airtightness; window labels; airflow recommendations; the difference the U-factor makes. 3 figs.,3 tab.