|Energy efficiency feature||Buildings||Share of total buildings||Floor space||Share of total floor space|
|(number)||Q.I.||(millions of m2)||Q.I.|
|No energy efficiency feature||266 278||A||55.2%||246.7||A||32.2%|
|Any energy efficiency feature||215 987||A||44.8%||519.2||A||67.8%|
|Energy conservation awareness program||110 590||A||22.9%||340.7||A||44.5%|
|Energy management control system for heating, ventilating and cooling (HVAC)||157 410||A||32.6%||427.8||A||55.9%|
|Energy management control system for lighting||79 533||A||16.5%||265.7||A||34.7%|
|Any two energy efficiency features||72 587||A||15.1%||176.7||A||23.1%|
|All three energy efficiency features||29 479||A||6.1%||169.2||A||22.1%|
Note:Due to rounding, numbers may not add up to the total shown, and some numbers may differ from one table to the next.
Quality indicators (Q.I.) classify each estimate according to its quality as follows: A–Excellent, B–Good, C–Acceptable, D–Use with caution, F–Too unreliable to be published and X–suppressed due to confidentiality.