About the authors

Jan F. Kreider is Professor of Engineering and Director of the Joint Center for
Energy Management at the University of Colorado at Boulder. He received his
BSME (magna cum laude) from Case Institute of Technology and his
postgraduate degrees from the University of Colorado. Dr. Kreider is the author
of ten engineering textbooks and more than 150 technical articles and reports;
he has directed more than $5 million in building-energy-related research during
the past decade. He is a Fellow of the ASME, an active member of ASHRAE
along with a number of other technical societies, and a winner of ASHRAE's
E. K. Campbell Award for excellence in building systems education. He is also the
president of a consulting firm specializing in HVAC system design and analysis.

Ari Rabl is Research Scientist at the Centre d'Energetique of the Ecole
des Mines in Paris, as well as Adjunct Professor at the University of
Colorado at Boulder. He received a Ph.D. in physics from Berkeley, and
has worked at Argonne National Laboratory and at the Solar Energy
Research Institute. From 1980 to 1989 he was Research Scientist and
Lecturer at the Center for Energy and Environmental Studies of Princeton
University. His publications on energy-related topics include more than fifty
journal articles, numerous review papers, and ten patents. He has also
written the book Active Solar Collectors and Their Applications. He is a
member of the American Physical Society and of ASHRAE.

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Peter Curtiss is an adjunct professor at the University of Colorado and runs an
engineering consulting business in Boulder. He received his BSCE from
Princeton University and his postgraduate degrees from the University of
Colorado. He has written more than 40 technical journal articles on subjects
ranging from neural network modeling and control in buildings to solar radiation
measurements. He has worked at research institutes in Israel, Portugal, and
France as well as at a number of private engineering firms.