Väla Gård
Owner: Skanska Sverige AB Architect: Tengbom Energy concept: Net ZEB Location: Helsingborg (Sweden) Construction Date: 2012 |
Key technologies
Well insulated and air tight |
LIFE CYCLE COSTS
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| WLCC (40) | MAINTENANCE | MAINT./INVEST. | LCC (40) | ENERGY (40) | RES/LCC | |||
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| 5.548.872 € | 916.519 € | 30% | 4.588.972 € | 576.689 € | 3% | |||
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INVESTMENT COSTS
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Impact of nZEB technologies on the investment cost | |||||||||||
Construction cost [€] | 2.894.449 € | ||||||||||
RES | 6% | ||||||||||
HVAC | 25% | ||||||||||
DHW | 1% | ||||||||||
VMC | 12% | ||||||||||
Heating | 11% | ||||||||||
Windows | 6% | ||||||||||
Final Energy Consumption | |||||||||||
Energy demand heating [kWh] | 5.631 | ||||||||||
Energy demand cooling [kWh] | 2.398 | ||||||||||
Energy demand DHW [kWh] | 4.677 | ||||||||||
Household elt. + aux. [kWh] | 4.028 | ||||||||||
Annual RES generation [kWh] | - | ||||||||||
Annual CO2 Emissions [kgCO2] | 3.750 |
BREAKDOWN OF THE UNITARY LCC
LCC (40) 2931 €/m2
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Investment 1620 €/m2
| Design 25 €/m2
| Preliminary | 151 €/m2 |
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Definitive | - €/m2 |
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Executive | 126 €/m2 |
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Materials 1012 €/m2
| Building Elements | 439€/m2 | |||||
Building Services | 403€/m2 | ||||||
Construction 1595 €/m2
| RES | 70€/m2 | |||||
Other 100 €/m2
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Labor | |||||||
592 €/m2 | |||||||
Building site management | - €/m2 | ||||||
Operation 1034 €/m2
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Energy 78 €/m2
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Consumed 296 €/m2
| Heating | 64 €/m2 | |||
Cooling | 12 €/m2 | ||||||
DHW | 6 €/m2 | ||||||
Household el.+ aux. 114€/m2 | |||||||
Produced 21 €/m2 |
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Maintenance 956 €/m2
| Envelope | 197 €/m2 |
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HVAC | 643 €/m2 |
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RES | 69 €/m2
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| Other 48 €/m2 |
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Energy
PV installed power: 67.5 kWp
Annual RES generation (primary energy): 101 kWh/y
(105 % coverage Primary energy need*)
(293 % coverage Primary energy need**)
Gross heated floor area: 1670 m²
Primary energy need: 98 kWh/m2a *
Final energy consumption: 39 kWh/m2/y * 14 kWh/m2/y **
Specific heating energy use: 10 kWh/m2a
Specific cooling energy use: 1 kWh/m2a
Specific hot water energy use: 0 kWh/m2a
Specific electricity use: (excl. hot water, heating and cooling)28 kWh/m2a
Energy generation: 41 kWh/m2a (PV-panels)
* all energy use included, excl. PV generation
** excl. plug loads, lighting & PV generation