Towards Nearly Zero Energy

Appendix

Tables reporting the main thermal properties of the ground floor layers, the roofs, and the glazing components, estimated for each study in the as-built scenario.

Aghia Varvara

Table A1

Main thermal properties of the ground floor layers

Ground floor (U = 4.762 W/m2 K)
Layers	Materials			Properties
External layer	Gravel	mm	170	Convective heat transfer coefficient	W/m2K	44.87
Radiative heat transfer coefficient	W/m2K	5.13
Surface resistance	m2K/W	0.02
Layer 2	Screed	mm	160
Layer 3	Reinforced concrete	mm	300
Layer 4	Screed	mm	80
Internal layer	Ceramic/marble/tiles	mm	20	Convective heat transfer coefficient	W/m2K	0.342
Radiative heat transfer coefficient	W/m2K	5.54
Surface resistance	m2K/W