26 October 2011
- 05:4605:46, 26 October 2011 diff hist +139 m Passive solar design added caption to Passive_solar.jpg
19 September 2011
- 00:4100:41, 19 September 2011 diff hist +328 Passive solar design more copyediting, added solar closets
- 00:1500:15, 19 September 2011 diff hist +219 Passive solar design copyediting, plus added phase-change materials