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Country & City

  • Chorzow
  • Poland
  • Chorzow


Contact Information

Cold climate, with yearly average 8.6°C. Building from 1902, recently retrofitted. Multi-storey house with three commercial activities on the ground floor, 12 apartments on the other floors and a total floor area of 998 m2. The annual final energy consumption is 194 kWh/m2, of which 155 kWh/m2 from natural gas, 12 kWh/m2 from coal and 27 kWh/m2 from electricity. The annual heating demands are 111 kWh/m2 for space heating and 33 kWh/m2 for DHW.

Reduction of 40% primary energy


PV + DC heat pump + PCM heat batteries

SRT data