CHAPTER 21 I PASSIVE DESIGN Passive design


Passive design is a general term used to describe a way of designing buildings that uses sunlight  provide space heating, water heating and lighting, passive design uses energy from the sun to do  homes waste a lot of energy in providing a comfortable indoor environment. Creating sustainable homes means shifting from an active to a passive approach.


space heating use the sun’s energy to heat the home


low energy home


water heating use solar panels to heat water


lighting


use natural daylight as much as possible


21.15 Passive design: low energy homes use solar gain to provide space heating, water heating and lighting.


solar water heating


maximum insulation


minimum insulation


hot water


  light


CO2 radiator fossil fuel boiler active design


2 consumption and low CO2


emissions).   passive design emissions) versus passive design (low energy


solar heat gain


natural lighting


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21