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Your House  >  Bathroom  >  Bathtub Friday, October 24, 2014
 
 Bathtub
 

Unless your bathtub is leaking, there likely isn’t a lot you can do to save water and energy when using the bathtub, other than avoid it altogether. A bathtub only accounts for 1.7% of the average home’s total indoor water usage. While this may be surprising, it is attributed largely to the fact that most of us take showers, which constitute an average of 16.8% of the total indoor water usage.

Unlike the shower, the bathtub is a fixed volume, meaning reducing the flow rate will have no impact on water consumption. Instead, it is up to the person taking a bath to determine how much water they use and how hot the water is that you fill it with. The average bathtub hold 24 gallons of water, while the daily per capita use is 1.2 gallons based on a daily usage per capita of 0.1 baths. In other words, the average person takes 36.5 baths a year and uses 438 gallons of water for baths annually.

As you can see, this is not a large amount of water compared to other water consumers such as the toilet and shower. As a result the energy savings opportunities for water and hot water reduction would not amount to a significant amount of savings across North American households. But that doesn’t mean there isn’t anything you can do with you bathtub to be more environmentally friendly. See our bathtub tips below for more information.

 
  
 
 
 Bathtub Tips
 
Share a bath or a shower
Energy Water
Sharing a shower or bath with a loved one can not only be romantic, but it can save on water and energy. If you have small children, bathing them at the same time can have a similar effect on savings.
Take a shower instead
Energy Water
Taking a shower instead of a bath saves water and energy used to heat hot water.
Use only as much water as needed
Energy Water
If you do decide to have a bath, only fill the tub as much as needed. Smaller people would require less water, especially in the case of children and babies. In the case of babies, using a sink or smaller tub to bath babies is a better alternative.
Use the correct plug size / Replace leaky plug
Energy Water
If your bath plug is old and leaking water or you are using a plug that is too small, you are wasting water. Replace leaking plugs with new ones and ensure they are the correct size. When a plug leaks, we have a tendancy to refill the portion that is lost, wasting energy used to heat the water, as well as the water itself.
 
  
 
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