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Annual demand for final energy for heating and ventilation: 29 kWh/m2/a
CO2 emissions: 5.35 kg CO2 m2/a
Coverage of annual electricity demand by onsite renewable energy generation: 36%

Building part / Posejdon / National requirements for nZEB binding from 01/01/2021
External walls / 0.184 / 0.200
Roof / 0.144 / 0.150
Floor on the ground / 0.297 / 0.300
Windows / 0.900 / 0.900

Primary energy consumption: 0 kWh/m2a

Primary energy consumption: EP = 66.81 kWh / (m2a), i.e. 29.6% less than required for nZEB buildings (technical requirements in force since 01/01/2021) and 52.3% less than the legal requirements that were in force at the time of design.
Building tightness: n50=0.3 1/h (according to blower-door test PN-EN 9972 method 2)

Primary energy consumption: -12 kWh/m2 (plus-energy building)

Building part / RES Technology Transfer Centre / National requirements for nZEB in force since 01/01/2021
External walls / 0.11 / 0.20
Roof / 0.08 / 0.15
Floor on the ground / 0.06 / 0.30
Windows / 0.80 / 0.90

Source: Jaczewski, M. and Firląg, S., 2014. Charakterystyka budynku Centrum Transferu Technologii w obszarze OZE w kontekście wymagań dla standardu pasywnego. Acta Innovations, (13), pp.32-40.

Primary energy consumption: 25,06 kWh/(m2a)
Energy needed for heating: 14,19 kWh/(m2a)
Building tightness: 0,30 W/(m2K)
CO2 emissions: 4 kg/(m2a)
Renewable share of energy: 59 %

Primary energy consumption: 7 kWh/(m2a)
Energy needed for heating: 13 kWh/(m2a)
Building tightness: 0,30 W/(m2K) or 3.421,88 W/K
CO2 emissions: 1 kg/(m2a)
Renewable share of energy: more than 90 %

Primary energy consumption: less than 45 kWh/(m2a)
Energy needed for heating: less than 15 kWh/(m2a)
Building tightness n/a
CO2 emissions n/a
Renewable share of energy 20 % (solar thermal energy)

Primary energy consumption: 96.30 kWh/(m2a)
Building tightness: n/a
CO2 emissions n/a
Renewable share of energy: 22 % (solar thermal energy)