This case study presents a ground floor house with a traditional image: slanting roof and facing bricks facade.

THERMAL ENVELOPE

Exterior wall: U-value = 0.227 W/(m²K)

Basement floor / floor slab: U-value = 0.292 W/(m²K)

Roof: U-value = 0.184 W/(m²K)

Frame: Deceuninck N.V., Zendow#neo Premium, PVC, U w-value = 0.91 W/(m²K)

Glazing: U g-value = 0.64 W/(m²K)   g -value = 29 %

Entrance door: U d-value = 1.3 W/(m²K)

MECHANICAL SYSTEMS

Ventilation: PAUL - Zehnder, CLIMOS F 200 (Comfort)
Heat recovery rate = 84%
Humidity recovery = 57%

Ecological aspects: Rainwater harvesting

PHPP VALUES

Air tightness: n₅₀ = 0.54/h

Annual heating demand: 15 kWh /(m²a ) calculated according to PHPP

PE demand (non-renewable Primary Energy): 121 kWh /(m²a ) on heating installation, domestic hot water, household electricity and auxiliary electricity calculated according to PHPP

PER demand (renewable Primary Energy): 58 kWh /(m²a ) on heating installation, domestic hot water, household electricity and auxiliary electricity calculated according to PHPP

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