Nature park house Zwiesel, Germany

office and exhibition building, new functional building in timber construction; first functional building in Europe entirely heated by solar

  • Completion: 2001
  • Heated usable space: 763 m2
  • Heating requirement: 8400 kWh/a
  • Collector area/Inclination: 110 m2/80 degrees
  • Deviation from South: O (- = East, + = West)
  • Tank: Combi tank (Swiss-Solartank), 21 m3 capacity, storage charge and discharge on three levels
  • Heating supply by Solar: 100%
  • Heating system: wall heating  
  • Fuel requirement: 0
  • Further plant technology: Ventilation system with heat recovery and ground heat exchanger, 20 kWp PV plant
  • Architect: Georg Dasch
  • System provider: soleg

Solar house Kowalzik, Germany

  • Completion: 2011
  • Heated usable space:  390 m2 
  • Heating requirement:  19.800 kWh/a 
  • Collector area /Inclination: 50  m2/ 70 degrees, 15 Grad South West
  • Tank: Combi tank, 15,3  m3 capacity, storage charge and discharge on three levels 
  • Heating supply by solar: 55 % 
  • Heating system: Chimney insert soleg SKE 30 kW  
  • Total energy requirement:  14.900 kWh/a
  • Furhter plant technology: 7,5 kWp pv plant
  • Planner technology: Wolfgang Hilz 
  • System provider: soleg
  • Installer: Solartechnik Klaus Schmitt

Solar house Bauer, Germany

  • Completion: 2011
  • Heated usable space: 317,7 m2 (calculated)
  • Collector area/Inclination: 52 m2/40 degrees 
  • Deviation from South: 35 (- = East, + = West) 
  • Tank: 10950 l with storage charge and discharge on several levels 
  • Heating supply by solar: 60 % (calculated)
  • Heating requirement: 13286 kWh/a (calculated)
  • Heating system: Chimeny insert connected to tank, low temperature floor heating
  • Planner technology: Wolfgang Hilz
  • Planner building/construction: KHB Wohnbau
  • System provider: soleg 

Solar house Sattler, Germany

  • Completion: 2009
  • Heated usable space: 157 m2 
  • Collector area/Inclination: 40,12 m2/60 degrees 
  • Deviation from South: 0 (- = East, + = West) 
  • Tank: 8720 l 
  • Heating supply by solar: 70 % 
  • Heating system: Wood fired stove 30 kW
  • Planner technology and system provider: soleg
  • Installer: Kuffner

Single family home with apartment, renovation in massive construction, Germany

  • Completion: 2007 (Originally built in 1967)
  • Heated usable space: 150 m2
  • Collector area/Inclination: 42 m2/69 degrees 
  • Deviation from South: + 15 (- = East, + = West) 
  • Tank: Combi tank, 6000 l, storage charge and discharge on two levels 
  • Heating supply by solar: 58% 
  • Heating system: oil-fired boiler, radiators
  • Fuel requirement: 400 l oil
  • Planner technology: soleg
  • System provider: soleg 

Parish centre Zwiesel, Germany

  • Completion: 2010
  • Heated usable space: 550 m2 
  • Heating requirements: 30.000 kWh/a (parish centre), plus 35.000 to 40.000 kWh/a (old building/living quarters)
  • Primary energy requirement new building: < 15 kWh/a
  • Collector area/Inclination: 36 m2 /75 degrees with 30 degrees Deviation from South towards East; 40 m2 free standing collector / 60 degrees, South 
  • Tank: New building, 10 m3 capacity, storage charge on two levels and discharge on three levels through floor heating circle; central heating station in living quarters: 3,3 m3 capacity (welded together in basement) 
  • Heating supply by solar: New building approx. 60 %, both buildings together approx. 30% 
  • Heating system: 60 kW-KWB-pellet boiler (in old building) 
  • Fuel requirement (expected): approx. 13-15 tons of Pellets/year 
  • Planning technology: Wolfgang Hilz
  • System provider: soleg
  • Installer: Haustechnik Wölfl

Retirement home Ptuj, Slovenia

  • Completion: 2011
  • Collector area/Inclination: 240 m2/15 Degrees West 
  • Tank: 18000 l 
  • Heating supply by Solar: 50% 

Retirement home Muretinci, Slovenia

  • Completion: 2011 
  • Collector area/Inclination: 124 m2/30 Degrees West 
  • Speicher: 6000 l 
  • Heated supply by solar: 46%