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To optimize electricity efficiency, geysers should be located as close as possible to the points where hot water is being used.The water in most geysers stays hot for a long time. Electricity can be saved by switching off the geyser for long periods during the day and at night.
Insulated hot water pipes maintain their temperature at constant levels and prevent heat loss. Pay special attention to the insulation of the first 1.5 to two meters of hot water pipes nearest the geyser. Water pipes can also be insulated with ceiling insulation material, or through the use of pipe insulators that wrap around the pipes.
Do not set the thermostat on the geyser too high. A setting of 50-60*C is recommended. A geyser blanket helps prevent heat escaping from the geyser. A geyser blanket may cost in the region of R250, but the pay-back in electricity efficiency and electricity savings make it a good investment.
Water heating accounts for 30% - 50% of the electricity consumed by an average household. As an option, a household may install a solar water heater which can reduce your home’s electrical bill. A solar water heating system has significant benefits to the environment. A 150 litre solar water heater can save an estimated 2 tons of carbon emissions per year.
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