John Krigger

John Krigger is the author / co-author of 7 books and approximately 40 shorter publications on energy efficiency. He is also a technical illustrator, photographer, and desktop publisher. John has been interested in superinsulated retrofits since 1980, when he worked with builders and architects at the National Center for Appropriate Technology (NCAT) to develop retrofit techniques. He spent time in Europe observing superinsulation techniques in Germany and Austria.

Courses by this presenter:

• HORZ 3 - Details of Superinsulation Retrofits