| Division | Unit | General MDU to which the Standard for Energy-saving Design by year was applied | Passive MDU | |||
|---|---|---|---|---|---|---|
| 2001 | 2008 | 2011 | 2013 | |||
| Type of frame | mm | PVC 115mm | PVC 115mm | PVC 225mm | PVC 225mm | PVC 270mm |
| Type of pane | mm | 16mm double-glazed(5CL+6Air+5CL) | 22mm double-glazed(5C+12Air+5CL) | 22mm double low-e glazing(5LE+12Ar+5CL)+ 6mm single glazing (6CL) | 22mm double low-e glazing(5LE+12Ar+5CL)+22mm double-glazed(5CL+12Air+5CL) | 22mm double low-e glazing(5LE+12Ar+5CL) + 39mm triple low-e glazing(6LE+12Ar+3CL+12Ar+6LE) |
| Window construction cost | KRW 1000/household | 6,274 | 6,613 | 11,080 | 12,044 | 19,317 |
| Air-tight tape construction cost | KRW 1000/household | - | - | - | - | 901 |
| Type of door | Ordinary fire door | Insulated fire door | ||||
| Door construction cost | KRW 1000/household | 3,003 | 3,003 | 3,003 | 3,003 | 4,125 |
| Type of wall insulation | Internal insulation | Internal insulation | Internal insulation | Internal insulation | Outside insulation | |
| Type of insulation | Extrusion #1, density 30kg/m3, U-value 0.028 | Diverse insulation applied (see Table 2) | ||||
| Insulation thickness | mm | 65 | 65 | 85 | 120 | 115~225 |
| Wall insulation construction cost | KRW 1000/household | 9,436 | 9,436 | 9,723 | 10,225 | 17,4341) |
| Balcony thermal bridge breaker system construction cost | KRW 1000/household | - | - | - | - | 1,166 |
| Type of ventilation system | Air-supply and exhaust ventilation system | Heat recovery ventilation system | ||||
| Ventilation system construction cost2) | KRW 1000/household | 522 | 522 | 522 | 522 | 1,028 |
| Type of boiler | Individual gas boiler | Pallet boiler | ||||
| Boiler construction cost | KRW 1000/household | 791 | 791 | 791 | 791 | 1,487 |
| Total (design cost) | KRW 1000/household | 20,028 | 20,367 | 25,120 | 26,586 | 45,460 |