South east view Null energy house in Halbenrain

On the esat side is a second entrance.A stair leads to a front door to a large waterproof concrete cellar.



South east view Null energy house in Halbenrain
On the esat side is a second entrance.A stair leads to a front door to a large waterproof concrete cellar.


Context description:  zeroenergy nullenergy solar sun house zeroenergyhouse nullenergyhouse solarhouse sunhouse houses zeroenergyhouses nullenergyhouses solarhouses sunhouses Austria Austrian south east Styria Styrian near close to Radkersburg Bad Gleichenberg Halbenrain event events date time 20 century