Pro - the whole water system got hot and cold water, flat already fitted with pipes so just add it to the pipes.
Con - need to on for a while before water is ready.
Instant water heater :
Pro - demand only. there is existing electrical point.
Con only limited to the shower.
Hence we decided to keep the storage water heater for both the toilets and install additional Instant water heater for the MBR. We will install a rain shower unit in the MBR toilet and put the on/off switch in the kitchen. Abit more troublesome but with the switch in the kitchen, we will use lesser. so we will save more. *hehehe*
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