How To Build A Floor In Aluminum Boat What Is The Best Way To Dehumidify My Bedroom?

What is the best way to dehumidify my bedroom? - how to build a floor in aluminum boat

I moove into a new apartment and humidity in my 2 bedroom is about 70-75%) even with the heat in air conditioning (not. The tiles on the floor mostly wet and structure of aluminum window well. The humidity outside 50-55%. I open the window in the morning for 10 minutes, but nothing. The cost of energy for dehumidifier is too high.