The benefits of using solar energy for hot water heating are immense. The energy source comes for free and research shows that solar hot water heating systems can deliver up to 70% of the hot water requirements for an average household. Investing in solar energy is an investment in the future of the environment. By using solar energy to heat domestic hot water you will be helping to reduce our dependence on fossil fuels while at the same time improving the energy efficiency, and potentially the value of your home. In particular solar energy scores positively with the new BER - Building Efficiency Rating scheme.