Number of households by heated area (excluding garage) | ||||||
---|---|---|---|---|---|---|

56 to 93 square metres (601 to 1,000 square feet) | 93 to 139 square metres (1,001 to 1,500 square feet) | 139 to 186 square metres (1,501 to 2,000 square feet) | ||||

Number of light bulbs using a programmable timer control | ||||||

One | – | U | 126,565 | M | 140,301 | A |

Two to three | – | U | 38,476 | M | 79,848 | M |

More than three | – | U | – | U | – | U |

None | 1,796,925 | A | 1,604,499 | A | 1,996,097 | A |

Don't know | – | U | – | U | – | U |

Not stated | 173,157 | M | 186,865 | M | 155,762 | M |

Number of light bulbs using a motion detector | ||||||

One | – | U | 103,921 | M | 211,027 | A |

Two to three | – | U | 121,192 | M | 284,241 | M |

More than three | – | U | – | U | 71,898 | M |

None | 1,697,549 | A | 1,487,469 | A | 1,642,335 | A |

Don't know | – | U | – | U | – | U |

Not stated | 345,399 | M | 245,649 | M | 213,391 | A |

Number of light bulbs using a light sensor | ||||||

One | – | U | 56,978 | M | 96,807 | M |

Two to three | – | U | – | U | 108,262 | M |

More than three | – | U | – | U | – | U |

None | 1,712,120 | A | 1,530,294 | A | 1,911,868 | A |

Don't know | – | U | – | U | – | U |

Not stated | 348,275 | M | 286,947 | A | 291,565 | A |

**Note:**

Due to rounding, the numbers may not add up and may differ slightly among tables.

**Legend:**

The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.

**Source:**

*2011 Survey of Household Energy Use*