The cost of heating water accounts for approximately 20 per cent of the energy that is used in most homes. Solar water heating systems are usually designed to supply an average household with 30 to 60 per cent of this energy. Install a solar water heating system to reduce your energy bill and your impact on the environment.
| Annual Energy Savings* with Solar Water Heating Systems | |||
|---|---|---|---|
| Household Size (in persons) | 2 | 3–4 | 5 < |
Average hot water usage (litres/day) |
110 | 160 | 220+ |
Annual electric savings (kWh) |
1,200 | 1,700 | 2,200 |
Annual gas savings (m3) |
160 | 230 | 310 |
*All information is estimated, based on averages. Water usage in individual households may vary from these averages. Individual households may see more or less savings by adding a solar water heating system. |
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