Green Home Nanterre

Green Home Nanterre

Architect: Atelier Zündel Cristea
Energy concept: plus-energy residential building
Location: Nanterre (France)
Construction Date: 2016
Net floor area: 9267 m2
Primary Energy Demand: 93 kWh/(m2a)
Key technologies:​​ triple-glazed windows, decentralized ventilation with 96% of heat recovery, heat recovery on grey water.

LIFE CYCLE COSTS

INVESTMENT COSTS

Investment Costs

Design Costs

Building site​​ 

management

Construction Costs

10.189.126 €

-

63.310 €

10.125.816 €

 

Impact of nZEB technologies on the investment cost

Construction cost [€]

10.125.816€

RES

3%

HVAC

11%

DHW

1%

VMC

9%

Heating

0%

Windows

8%

Final Energy Consumption

Energy demand heating [kWh]

79.727

Energy demand cooling [kWh]

15.329

Energy demand DHW [kWh]

59.029

Household elt. + aux. [kWh]

231.384

Annual RES generation [kWh]

79.727

Annual CO2​​ Emissions [kgCO2]

204.798

 

 

 

 

WLCC (40)

MAINTENANCE

MAINT./INVEST.

LCC (40)

ENERGY (40)

RES/LCC

 

7.205.196

11.580.243

71%

11.580.243

-5.814.079

2%

​​ 

 

BREAKDOWN​​ OF THE UNITARY LCC

 

 

 

 

 

 

 

 

 

 LCC (40)

1069 €/m2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Investment

941 €/m2

 

 

 

 

Design

0 €/m2

 

 

 

Preliminary

0 €/m2

 

Definitive

0 €/m2

 

Executive

0 €/m2

 

 

Materials

1124 €/m2

 

Building Elements

660 €/m2

Building Services

203 €/m2

Construction

935 €/m2

 

 

RES

24 €/m2

Other

21 €/m2

 

 

 

 

Labor

27 €/m2

Building site management

 6 €/m2

 

 

 

 

Operation

128 €/m2

 

 

 

 

 

Energy

-537 €/m2

 

 

Consumed

199 €/m2

 

Heating

42 €/m2

Cooling

8 €/m2

DHW

 31 €/m2

Household el.+ aux. 123€/m2

Produced

736 €/m2

 

 

Maintenance

665 €/m2

 

Envelope

296 €/m2

 

HVAC

323 €/m2

 

RES

24 €/m2

 

 

 

 

Other ​​ 23 €/m2

 

 

 

 

Energy

Gross heated floor area:
11 500 m²
Primary energy need:
23,3 kWh/m2/y (for heating, cooling, ventilation, lighting and SHW only)
Final energy consumption:
9 kWh/m2/y
Specific heating energy consumption:
3,9 kWh/(m2a) primary energy
Specific cooling energy consumption:
0,0 kWh/(m2a)
Specific hot water energy consumption:
8,9 kWh/(m²·a) primary energy
Specific electricity consumption (excl. hot water and heating)
11,4 kWh/( m²·a) primary energy, lighting & ventilation only
Renewables:

PV installed power: 120 kWp
Solar thermal installed power: None
Biomass installed power: None
Annual RES generation: 115 MWh/y
100% coverage Primary energy needs