Choosing the right water heater

Posted System 01/01/2016 0 Comment(s) How to choose appliances,

Electricity consumption in the residential sector: 5.7%

Water heaters are the 5^th highest electricity consuming appliance in Hong Kong households.

There are two common types of electric water heaters available in Hong Kong, each employing distinctive functionalities and energy consumption.

Storage type: This type of heater contains a water tank. Water is heated up and stored when the heater is switched on. Generally speaking, a 15 to 20 litres storage type heater is sufficient for a family of four.

Instantaneous type: This type of heater heats up water instantly and is more popular in new built houses due to more advanced power generation setups. It operates at a power rate as high as 20,000 watts, equivalent to paying nearly $9 if you take a shower for half an hour. Gas water heaters are normally instantaneous type.

1.Replace your shower head with low-flow type as it can save heating cost and about 36,500 litres of water per year for a family of four.

2.Turn down the thermostat of your water heater in warm weather. Reducing the temperature of your water heater from 60°C to 49°C will save 200 kg of C〇2 per year.

Choosing the right water heater

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