Hot steamy showers - and dripping condensation

[Rich Thomas]

I rented to a woman with two children. It turned out the her "children" are big strapping 17 and 18-yearolds.

The three of them like to take hot steamy showers. The rental is 2-bedroom, one bath duplex with electric baseboard heating.

Interior humidity level is always very high and condensation is problem. It's a cooler/cold climate (western Washington state).

I upgraded the bath fan to 100 cfm (double previous fan's cfm) and added a timer switch so that they could leave the fan on to go to work/school.

Even so, it is still far to humid in the house.

Is there a solution to this problem of excessive interior moisture?