| Criteria | Gas Hot Water System | Heat Pump Hot Water System |
| Materials Used | Older, heavier materials that can wear out faster. | Built with modern, lightweight, and durable materials. |
| Components & Design | Complex venting and combustion parts lead to potential breakdowns. | Simpler design with fewer parts and no need for venting. |
| Maintenance | Requires regular servicing and has a higher risk of leaks. | Low maintenance with fewer chances of issues. |
| Energy Efficiency | Less efficiency resulting in higher ongoing fuel and operational costs. | Highly efficient, reducing energy use and lowering your bills. |
| Environmental Impact | Uses fossil fuels, resulting in more emissions and pollution. | Uses renewable energy, reducing your carbon footprint. |
| Safety | Higher risk of gas leaks and combustion hazards. | Safer operation with minimal risks, ensuring peace of mind. |
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