This would lead some to believe that someone is spending way too much time in the shower. How big is your water heater?
Then again if we are talking about moisture on the interior of the outside wall due to bad aim then the exhaust fan won’t help remove much of this moisture but having a mop handy will help a lot.
I hope that you understand the term efficiency or Efficiency = (output / input) * 100
The efficiency of a dehumidifier over an exhaust fan is at least 300%. This means that the dehumidifier will cost about 1/3 that of the fan over a length of time.
You can go to this link and enter the correct numbers to see what we are doing to our off spring and the air that they will have to breath. This is not including the natural resources we are using up that they won’t have. But I guess it will be alright just because I am trying to fix something that ain’t broke or I just don’t want to close the door till the order goes away.