IDP Library - Ex officine Guglielmetti

Reference person: Annamaria Belleri (EURAC)
Simulation report:

Reference building

Name: Ex officine Guglielmetti
Location: Genua (IT)

General data

Urban context: suburban
Climate: CD
Building: reconceptualized building
Year of construction:
Year of retrofit: 2017
GLA before retrofit [m²]: 0
GLA after retrofit [m²]: 24349
Shopping centre size: Large
Shopping centre sub-typology: regional
Food store format: hypermarket
Food store vending area [m²]: 6352
Tenants vending area [m²]: 10708
Common areas and galleries [m²]: 3499
Nr of opening hours per day [h/d]: 11.0
Nr of opening days per week [d/w]: 7
Nr of closing days per year (because of holidays) [d/y]: 4.5

Building features

Centre design: enclosed
Shape: 0.9
Orientation: NE/SW
Number of levels above ground: 2
Number of underground levels: 0.0
Parking location: ground and roof level
Number of parking levels: 2
Biologically active area [%]: 16%


Wall structure: pre-fabricated panels
Wall insulation location: interspace
Wall insulation material: mineral
Wall U-value [W/m²K]: 0.340
WWR - north [%]: 10
WWR - east [%]: 5
WWR - south [%]: 16
WWR - west [%]: 48
Windows U-value [W/m²K]: 1.40
Window glazing g-value [-]: 0.6
Basement/Floor structure: concrete slab
Basement/Floor insulation location: in
Basement/Floor insulation material: oil derivatives
Basement/Floor thermal transmittance [W/m²K]: 0.366
Roof structure: plane - pre-fabricated
Roof insulation location: out
Roof insulation material: oil derivatives
Roof U-value [W/m²K]: 0.262
Vehicle accessible roof covering [%]: 62%
Green roof covering [%]: 9%
ST roof covering [%]: 0%
PV roof covering [%]: 0%
SRR [%]: 1%
Skylight U-value [W/m²K]: 0.354
Skylight glazing g-value [-]: 0.30

Technical room

Location: vending area level
BMS lighting [Y/N]: Y
BMS natural ventilation [Y/N]: N
BMS refrigeration [Y/N]: N
BMS solar thermal system [Y/N]: N
BMS electric storage [Y/N]: N
Ventilation specific power [Wh/m³]: 0.45
Heat recovery thermal efficiency [%]: 40
SPF heating [-]: 2.80
SPF cooling [-]: 2.50

Common areas

Installed lighting power density [W/m²]: 8
Installed electric equipment power density [W/m²]: 0


Installed lighting power density [W/m²]: 30
Installed electric equipment power density [W/m²]: 10

Food store

Installed lighting power density [W/m²]: 30
Installed electric equipment power density [W/m²]: 5

Primary energy consumption

Lighting [kWh/m²-y]: 314
Refrigeration [kWh/m²-y]: 44
Plug loads [kWh/m²-y]: 96
HVAC [kWh/m²-y]: 140
Tot. primary energy [kWh/m²-y]: 594

Carbon emissions

Carbon emissions [tonCO2eq]: 1140


Envelope ineff.1:
Envelope ineff. 2:
Envelope ineff. 3:
Lighting ineff.1:
Lighting ineff. 2:
Lighting ineff. 3:
Refrigeration ineff. 1:
Refrigeration ineff. 2:
Refrigeration ineff. 3:
HVAC_general general ineff.:
HVAC_general general ineff.:
HVAC_heating heating ineff.:
HVAC_heating heating ineff.:
HVAC_cooling cooling ineff.:
HVAC_cooling cooling ineff.:
HVAC_ventilation ventilation ineff.:
HVAC_ventilation ventilation ineff.:

Retrofit solution set I

Solution set I ID: 5
Primary energy consumption [kWh/m²-y]: 343
Primary energy savings [%]: 40%
Carbon emissions tonCO2eq: 875
Carbon emission savings [%]: 40%
Investment cost [M€]: 1.276
Operational energy cost [k€/year]: 252
Pay-back time [years]: 7.2 - 11.1
Net Present Value [M€]: 2.733
Maintenance cost [k€/year]: 10

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