Research Article

Performance Modelling of Dual Air/Water Collector in Solar Water and Space Heating Application

Table 2

Main parameters of buildings in the analysis.

Key valuesBuilding ABuilding BBuilding C

General data
Occupancy4 persons
Climate data sourceTMY, Meteonorm
Set point temperature (day/night)20°C/20°C
Ventilation air flow rate100 m3/h
Efficiency of heat recovery unit75%
Internal gains ()2 W/m2
Weighted mean value0.187 W/m2·K0.375 W/m2·K0.489 W/m2·K
Building geometry data
Gross floor area286 m2
Heated floor area246 m2
Ventilated volume607 m3
Hot water consumption
Cold water temperatureBased on TMY
Hot water temperature55°C
Tap profile160 l/day (7.00: 65 l; 12.00: 30 l; 19.00: 65 l)