The outer walls of this terraced house are insulated with 100mm of external of EPS thermal insulation, and with 200mm of XPS insulation on the roofs. The house has a balanced mechanical ventilation system with heat and moisture recovery which is certified as a Passivhaus component for warm climates.

Thermal envelope

Exterior wall: 100mm EPS external insulation on honeycomb brick
U-value = 0.253 W/(m²K) 

Basement floor/floor slab: 95mm XOS insulation
U-value = 0.31 W/(m²K) 

Roof: 200mm XPS insulation
U-value = 0.15 W/(m²K) 

Mechanical systems

Ventilation: Balanced whole-house mechanical ventilation with heat and moisture recovery

Heating installation: Air-to-air direct expansion heat pump with indoor ducted split units

Domestic hot water: Air-to-water heat pump 

PHPP values

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

PER demand (renewable Primary Energy): 36 kWh /(m²a ) on heating installation, domestic hot water, household electricity and auxiliary electricity calculated according to PHPP