Nearly same amount of energy used in standard bath for first time
San Francisco, CA -- (SBWIRE) -- 12/18/2012 -- A new survey conducted has challenged how long individuals spent in the shower each day.
The survey used innovative technology which exposed the showing habits of individuals that may surprise some.
The average shower was clocked at eight minutes, which is longer than any previous study noted. An eight minute shower uses as much energy as the average bath. Given it is a average, some are likely using double the energy per shower per day.
The data was collected by “data loggers” which recorded 100 families, at a total of 2,600 showers, across a 10-day span.
Unilever produced the survey. The company was interested in finding out how people used products. According to the data, the eight-minute shower used 62 liters of hot water. Comparing that to the average bath, which uses 80 liters, the average is near equal for both methods of self cleaning.
The data suggested that if people were using power showers, the eight-minute shower would require double the energy as the standard bath.
Behavioral scientist of Unilever's R&D department, Hilde Hendrickx, noted that company carried out the survey because "quite a large proportion of our (products') environmental impact occurred when people used them".
Regarding her company's products, Hendrickx added: "We know that 95% of the associated greenhouse gas emissions are related to people [using] our products because they have to use hot water."
According to previous data, showers have increased; however, Hendrickx believes that the method in which the data was collected has something to do with it. The earlier methods were by questionnaires. As Hendrickx explains: "The problem with that is that people do not often have a very good insight into their behavior because it is a habit and they may not be very aware of what they are actually doing," she told BBC News.”
She continued by adding, "When it comes to time perception, most people are not very good at estimating at how long it took them to do a particular activity."
That fact is why the company decided to record the data, rather than ask individuals their belief on the data.
"People would not take too kindly to someone standing next to them with a clipboard."
In order to overcome this, the company's R&D department developed a data logger that they called a "shower sensor".
"It is based on acoustics and temperature, so it basically picks up the noise of the water as it runs through the pipe," Dr Hendrickx explained. "It also picks up the change in temperature."
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