Use as a preview tool - search by keyword, browse references, table of contents. Use the Find in a Library link
Start with keyword or phrase. Select linked subject headaings for more books. Or try a known title. Find more books from other libraries via Worldcat. Some examples:
"energy efficiency"
"smart building*"
"net zero energy"
Also use for known title or author of book, video, government document:
Title - Energy efficient distributed computing systems
Click on the Location for a floor plan to direct you to the shelves where your item is located.