| Parameter | Unit | Value |
| Cost of insulation materials |
|
|
| Expanded polystyrene [8] | $/m3 | 120 |
| Polyurethane [8] | $/m3 | 260 |
| Cost of fuel |
|
|
| Natural gas [37] | $/kg | 0.55 |
| Coal [8] | $/kg | 0.26 |
| Heating value (Hu) |
|
|
| Natural gas [8] | kJ/kg | 48570 |
| Coal [8] | kJ/kg | 25122 |
| Heating degree-days (HDD) |
|
|
| Aydın [35] | ˚C days | 1603 |
| Ardahan [35] | ˚C days | 5845 |
| Eskişehir [35] | ˚C days | 3649 |
| Samsun [35] | ˚C days | 2339 |
| Conductivity of insulation material |
|
|
| Expanded polystyrene [8] | W/mK | 0.039 |
| Polyurethane [8] | W/mK | 0.024 |
| PWF [8] |
| 9.83 |