Benefits of SolarThe benefits of using solar energy for hot water heating are immense. For one 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 and should add to the resale value of your property. 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.
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Calculate the household hot water usage
Determine location of collectors
Ideally, collectors should be orientated due south if possible and at a pitch of between 40° and 50°. Variations to the optimum positions are permissible and the chart on the right shows the % reduction in solar energy captured. For example collectors facing due east at a 30° inclination will capture 80% of the maximum potential energy.
Calculate number of collectors required
Determine storage tank size
No. of Persons
No. of collectors
Tank Size (I)
2 x CPK-7210 Flat panels
3 x CPK-7210 Flat panels