i+R Headquarter

Owner: I.+R. Schertler Alge GmbH

Architect: Dietrich Untertrifaller Architekten

Location: Lauterach (AT) 20km south-eastern from Lindau Bodensee

Construction Date: 2011-2013

Key technologies

  • Reversible geothermal heat pump
  • Photovoltaik

 

LIFE CYCLE COSTS

 

 

 

 

 

WLCC (40)

MAINTENANCE

MAINT./INVEST.

LCC (40)

ENERGY (40)

RES/LCC

 

 

14.924.281 €

3.565.616 €

49%

14.758.951 €

3.930.452 €

-%

​​ 

 

INVESTMENT COSTS

 

Investment Costs

Design Costs

Building site​​ 

management

Construction Costs

7.262.882 €

1.091.910 €

16.800 €

6.154.172 €

 

Impact of nZEB technologies on the investment cost

Construction cost [€]

6.154.172€

RES

- %

HVAC

14%

DHW

0%

VMC

4%

Heating

9%

Windows

10%

Final Energy Consumption

Energy demand heating [kWh]

48.059

Energy demand cooling [kWh]

474

Energy demand DHW [kWh]

555

Household elt. + aux. [kWh]

385.974

Annual RES generation [kWh]

48.059

Annual CO2 Emissions [kgCo2]

23.1042

BREAKDOWN OF THE UNITARY LCC

 

 

 

 

 

 

 

 

 

LCC (40)

4576 €/m2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Investment

2252 €/m2

 

 

 

 

Design

339 €/m2

 

 

 

Preliminary

 ​​ ​​​​ 63 €/m2

 

Definitive

 ​​ ​​​​ 138 €/m2

 

Executive

 ​​ ​​​​ 138 €/m2

 

 

Materials

538​​ €/m2

 

Building Elements

1332€/m2

Building Services

435€/m2

Construction

1908 €/m2

 

 

RES

 ​​ ​​​​ 0€/m2

Other

141 €/m2

 

 

 

 

Labor

 ​​ ​​​​ - €/m2

Building site management

 ​​​​ 5 €/m2

 

 

 

 

Operation

2324 €/m2

 

 

 

 

 

Energy

1219 €/m2

 

 

Consumed

1219 €/m2

 

Heating

50 €/m2

Cooling

 ​​​​ 1 €/m2

DHW

​​ 21 €/m2

Household el.+ aux.  ​​ ​​​​ 123€/m2

Produced

- €/m2

 

 

Maintenance

1105 €/m2

 

Envelope

596 €/m2

 

HVAC

467 €/m2

 

RES

 ​​ ​​​​ 0 €/m2

 

 

 

 

Other​​ 42 €/m2

 

 

 

Energy

Gross heated floor area: 3629  m²

Final energy consumption: 97,78 kWh/m2/y

Specific heating energy consumption: 28,00 kWh/(m2a)

Specific cooling energy consumption: 1,54 kWh/(m2a)

Specific hot water energy consumption: 3,77 kWh/(m²·a)

Specific electricity consumption (excl. hot water and heating): 66,01 kWh/( m²·a)