Does a solar heated shower feel different?

Water is water right? Heat is heat. So how could solar heated water feel different? There is no scientific difference between a shower heated by a fossil fuel water heated and a shower heated by the sun. But there is a difference in how it feels to be showering in water heated by the Sun. Every morning when I turn on our shower and stand under a warm spray for a few minutes I consider the Sun. I think about how much energy the Sun delivers to the earth each and everyday. I wonder how many tons of...