سخانات شمسية المعرفة
^ أ ب Solar thermal energy barometer 2010 EurObserv''ER Systèmes solaires Le journal des énergies renouvelables n° 197, 5/2010 ^ Werner Weiss and Franz Mauthner (May 2011). "Solar Heat Worldwide" (PDF). Retrieved . ^ Werner Weiss and Franz Mauthner Solar Heat Worldwide Markets and Contribution to the Energy Supply 2010.