Does switching off water heater save electricity?

You must have heard from a lot of people, your friends and relatives that switching off water heaters for few hours in a day can help you save on power bills. Many a times, officials representing govt. are also seen endorsing this thought.

It is important for you to understand that people trying to convince you for this idea have very little or no knowledge about conserving electricity. Although, their intention is right, but what they are telling you is completely wrong, you will find the complete reasoning behind this below. The reason why government tells you to switch off your water heater is also difficult to understand. One guess can be that people in charge of electricity conversion have no clue about electricity and are just putting across information that looks like logical or it could be that, spreading information like this is helping them generate more revenue from citizens.

Switching off a water cooler frequently (like everyday) instead of reducing can increase the overall power consumption. This appliance is designed to stay heated up and stay like this for long duration of time,  because of its high quality insulation.  The thermostat present inside this unit is responsible for managing the temperature. The overall system is engineered in a way that thermostat automatically turns on after few hours for 2-5 minutes to maintain the overall temperature. Therefore, in actual the water heater is turned on only for few minutes throughout the day if you are not using it. When you use the hot water for a bath or other purposes, the heater spends some power to reheat the water.


After reading this, it is important for you to think, that how much electricity you will be spending if you switch off the water heating unit every day. All the heating will be lost and the machine will work again to reheat the water which it has already heated few hours back. In some circumstance, like when you are out of home for few days, it will be logical to switch off the unit.

If you want to reduce your power bills, there are some very useful tips that you can use.

  • Buy appliances which come with good energy ratings. Choosing this type of appliances might cost you more at start because they are usually expensive, but over the period of time as you will be spending lot less on electricity bills you can save a lot of money.
  • Proper Upkeep – Whenever you observe a fault (even minute ones) in your appliance, waste no time and get it repaired from a professional. Faulty appliances are known to consume more power. Apart from this, small faults can develop in to big faults in no time and can completely damage your expensive appliance.
  • Keep it away from dust – Cleaning your appliance regularly and keeping it away from dust helps in extending its life. Dust can harm any appliance in more than one way, therefore, in order to avoid expensive repair costs in future make sure to clean them regularly.



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