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How to Choose Right Sized Water Heater

Posted by in House Electrical Wiring on September 03, 2015 . 0 Comments.

 Electricity consumed by Water Heater

It is essential to choose the right sized water heater because the amount of electricity used by water heater much depends on the usage of hot water. The electricity consumption is less; the use of hot water is less. Moreover, lesser the water you heat, lesser is the electricity consumption. Thus it is important to select the ideal sized water heater that serves your needs. It would better to choose small size. Although smaller the size, higher will be the rating of the water heater. Besides it is better to switch on the water heater before the use and switch it off instantly after.

 

Instant water heaters

From the above suggestions, instant water heaters come across as the most ideal solution as they do not have any storage (so no chance of heating extra water or wasting hot water) also they have to be switched on before use and switched off closely after. There is no problem of unit consumption and also very less wastage. From a person’s view it sounds great.

 

Problems of Instant Water Heaters

The rate at which water heater pulls electricity at any moment is very high. This is because the instant water heaters have to deliver water at desired temperature. So a storage water heater may be rated at 2 kW, an instant water heater is rated at 3 to 4.5 kW. So if 15 liters of water is heated in both, although the units consumed may be the same, but because instant water heater heats it proximately, it magnets more power from the system.

Assume an area where people use water heater time from 7 AM to 10 AM in morning and most used at this time. If most of them are of 4.5 kW then the arrangement needed to handle the same will be huge and if the arrangement is not there then grid failures can happen again. There will be rapid need of a lot of power. As an alternative if most systems are 2 kW systems, it may take time to heat water, but the system will not be stressed.

 

 

Our endorsements

We always endorse saving water and using lesser water for all purposes. More water is required if you take bath in shower or tub (about 20-25 liters), bathing using a container uses lesser water (about 10 liters). A 10 or 15 liters storage water heater is mostly adequate for such use. During winters or the place that are extremely cold, a 15 liters water heater may be sufficient, whereas a 6 or a 10 liters water heater may be sufficient in reverse manner.

If water heater is to be used in kitchen and usage of water is less, a 6 or 10 liters storage water heater may be good enough. The intent should always be to heat best water to save electricity.  Smaller water heaters also have lesser energy losses and hence deliver supreme water heating. 

Tags: water heater, right sized geyser, geyser, electric heater, home appliance Last update: September 03, 2015

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