Reviewed and Revised on 11/19/2013
A passive solar heating system uses “building components to collect, store, and distribute solar heat gains to reduce the demand for space heating” (NIBS, 2012). It reduces the load on the home heating systems and could even possibly eliminate their need to be installed in the first place, by letting the home to get heated by the natural means.
The amount of passive solar heating possible (sometimes called the passive solar savings fraction) depends on …