In our daily life, we often see three types of the electric water heater: water storage type,instant tankless type,fast heat type,and they work in different power. So how should we choose the electric water heater depending on the power?

1.Water storage type electric water heater:   Power≤2.5kw

Its power is the lowest of the three and the water capacity is about 40-100L.So the water storage type electric water heater need to spend much time preheating. If you need to use the hot water ,you should wait for a long time.

2.Instant tankless water heater:      Power≈6kw-12kw

Using this high-power electric water heater, you need to lay the special line to ensure the using safety.

3.Fast heat type electric water heater:   Power≈3.5kw-5.5kw 

Its preheating time is about 15mins.