Use this calculator to estimate the cost of hot water in your home. Simply enter your usage details and select the types of hot water systems you would like to compare then press “calculate”.
There are a variety of hot water systems and tariffs available. We recommend you ask your hot water supplier about the best system and tariff connection to suit your particular needs.
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Existing System | New System |
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Existing System | New System |
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| kWh/yr | kWh/yr | |
| MJ/yr | MJ/yr | |
| Tonnes CO2 | Tonnes CO2 |
| Annual running costs | Annual greenhouse emissions | |||
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| Existing System $ |
New System $ |
Existing System Tonnes CO2 |
New System Tonnes CO2 |
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