This depends on how many people live in your home, how much hot water you use, and when you use it. A storage heater that is too small will continually run out of hot water, while one that is too large will be more expensive to run because it will maintain the water temperature even when it is not being used. It is important to select the right hot water system for your needs. Australian Hot Water will help you choose the right-sized system for your household.

Water heater size chart



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