| Description | EnerGuide for Houses Annual Heating Consumption (GJ) |
|---|---|
| Typical existing house (1970) | 216.81 |
| Typical new house (2002) | 146.27 |
| Model National Energy Code house (2002) | 112.10 |
| R-2000 house | 78.74 |
* 198 m² one-storey, single detached house heated with natural gas, Ottawa, Ontario.