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Team Giovanni‘s Angels

BenjaminBremenGermany

VeniaPatraGreece

ArjenGroningenThe Netherlands

TomStralsundGermany

DianaBacauRomania

ElinaVaasaFinland

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4Structure

Other assignments

History of the villa

Current situation and problems

Solutions

Results

Chimney effect

Conclusion

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8Rules:

No smartphones during the meetings

Don‘t interrupt each other

Responsibility, Respect and listen to everyone‘s ideas

9• Replace windows,doors and

roof • Heating pump• Trees for heating

• Make extra layer inside for insulation

5 Buildings

• Repair cracks

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• Double glazing windows • Replace the shutters• Higher trees

11History of the Villa

Built in the late 19th century

Owned by the Kollas family

Eclectic type with northern characteristics

385 m²

Renovated in 80’s

Presently an office departement

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14Heating system

Remove the diesel heating system

New boiler 500 l

New heating pump 20-40 W

Air-conditioning system

Cost: 2700 euro

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Roof Ground Floor

Materials Straw Glass wool

Thickness 40 cm 10 cm

Conductivity 0.045 W/m*K 0.035 W/m*K

Cost 3 €/m² 5 €/m²

InsulationRoof & Floor

Current Situation Straw + Glass Wool

100 % 80 %

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Double Glazing Strips

Numbers of Windows: 28

300 €/window 12 €/window

InsulationWindows

Current Situation Double Glazing

100 % 98 %

17Lighting System

51 New Bulbs: 408 W

350 €

Controlling Unit

1000 €

Current Situation With new Light Bulbs

With LB + CU

100 % 20 % 11 %

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Old New

Heating [kWh] 11100 14000

Cooling [kWh] 35000 25000

Lighting [kWh] 25500 2800

Total [kWh] 71600 41800

29800 kWh savings in 1 year

42 % reduction

Energy Calculation

19Money Calculation

Old New

Heating [€] 24000 17000

Cooling [€] 41000 30000

Lighting [€] 45000 5000

Total [€] 110000 52000

58000 € savings in 10 years

53 % reduction

1 year payback time

20Winter

21Summer

Server

22Conclusion

(in 20 years…)

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Questions?