| Label | Factors | Grade | ||||
| 1 | 2 | 3 | 4 | 5 | ||
| X1 | Family size | <2 | 3 - 4 | 5 | 6 - 7 | 8> |
| X2 | Occupancy | <2 | 3 - 4 | 5 | 6 - 7 | 8> |
| X3 | Floor size [m2] | 0 - 100 | 101 - 200 | 201 - 250 | 251 - 300 | 300> |
| X4 | Land area [m2] | 0 - 100 | 101 - 200 | 201 - 250 | 251 - 300 | 300> |
| X5 | Floor number | 1 | 2 | 3 | - | - |
| X6 | Room height [m] | <3 | 3.2 | 3.3 | 3.5 | 3.5> |
| X7 | Structure | Concrete | Reinforced concrete | Wood | Brick | - |
| X8 | House age | <1985 | 1986-1990 | 1991-1999 | 2000-2005 | 2006> |
| X9 | Orientation | S | SW | NW | NE | N |
| X10 | Income [*10,000 Yuan] | <1 | 1.1 - 3.5 | 3.6 - 4.5 | 4.6 - 10 | 10> |
| X11 | Heating system | Elc. | Firewood | Charcoal | Elc.+Charc. | Elc.+Firew. |
| X12 | Cooling system | Fan | AC | - | - | - |
| X13 | AC own. [unit] | 0 | 1 | 2 | 3 | 4> |
| X14 | Hot water | Firew. | Elc+Cha.So.Panel | Cha.+So.Panel | Solar Panel | Elc. |
| X15 | TV own. | 0 | Always use | - | - | - |
| X16 | Washing mac. own. | 0 | Always use | - | - | - |
| X17 | Energy sav. effort | yes | No | - | - | - |
| X18 | Sleep hours | <7 | 8 | 9 | 10 | 11> |