Heating, Cooling and Lighting — Sustainable Design Methods for Architects

I’m here at the Intersolar show with Auburn University professor emeritus Norbert Lechner who has just given me an unbelievable talk on heliodons, i.e., instructional devices used to teach people about the path of the Sun overhead during the different times of the year.  You’ll also want to check out his book: “Heating, Cooling and Lighting — Sustainable Design Methods for Architects,” now in its fourth edition.