System technology for residential construction
Single family house 350 m²:

Before the renovation is carried out:

  • Oil boiler 35 kW
  • 300 litre boiler (hot water tank)
  • radiator and underfloor heating
  • Annual energy consumption: 4,500 litres heating oil

 
 
Energy saving after renovation: approx. 40%.

Measures implemented:

  • Oil condensing boiler 28 kW installed
  • Oskar° stratified tank 1000 litres installed
  • Fresh water station with high-efficiency pump installed
  • 6 pieces Oskar-Sol RA251-4 Solar thermal collectors (15m²) Roof mounted
  • Heating circuits with high-efficiency pump and electronic mixer installed
  • Hydraulic adjustment performed
  • Central controller rZR16x2 installed and programmed as superior intelligence
  • Water treatment plant installed

Single family house 210 m²:

Before the renovation is carried out:

  • Electric central heating
  • 250 litre electric boiler (hot water tank)
  • Underfloor heating
  • Annual energy costs heating: 4.000 Euro

 
Energy saving after renovation: approx. 50%.

Measures implemented:

  • Gas condensing boiler 16 kW installed
  • Oskar° stratified tank 1300 litres installed
  • Fresh water station with high-efficiency pump installed
  • 5 pieces solar thermal collectors (12,5m²) mounted on a roof
  • Heating circuits with high-efficiency pump and electronic mixer installed
  • Hydraulic adjustment performed
  • Central controller rZR16x2 installed and programmed as superior intelligence
  • Water treatment plant installed

Single family house 200 m²:

Before the renovation is carried out:

  • Oil boiler 28 kW
  • 200 litre boiler (hot water tank) subject to
  • radiator radiators
  • Annual energy consumption: 3,000 litres of heating oil

 
Energy saving after renovation: approx. 40%.

Measures implemented:

  • Oil condensing boiler 20 kW installed
  • Oskar° stratified tank 2500 litres installed
  • Fresh water station with high-efficiency pump installed
  • Oskar-Sol RA251-4 Solar thermal collectors mounted on roof with 45° inclination
  • Heating circuits with high-efficiency pump and electronic mixer installed
  • Hydraulic adjustment performed
  • Central controller rZR16x2 installed and programmed as superior intelligence
  • Water treatment plant installed




Single family house 180 m²:

Before the renovation is carried out:

  • Oil boiler 25 kW
  • 200 litre boiler (hot water tank)
  • Radiators
  • Annual energy consumption: 4,000 litres of heating oil


 


Energy saving after renovation: approx. 45%.

Measures implemented:

  • Pellet boiler 15 kW with pellet tank installed
  • Tiled stove with water pocket 10 kW (6/4) installed
  • Oskar° stratified tank 1000 litres installed
  • Fresh water station with high-efficiency pump installed
  • Heating circuits with high-efficiency pump and electronic mixer installed
  • Hydraulic adjustment performed
  • Central controller rZR16x2 installed and programmed as superior intelligence
  • Insulation of the building shell, new windows and a decentralised ventilation system installed.

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