We hope it's just ghosting from the air, humidity, and or lack of insulation.

We have lots of sunshine without the broiling heat or humidity.

I would never paint brick in my area due to all the moisture and humidity, but I think I could even stain the brick a nice grey color for fairly cheap and repaint trim white for some nice contrast.

The problem with them is that if there is not enough water in them they can discharge lint throughout the unit (fire hazard) or cause water and high humidity to the unit (mold). 

I know that water damage can cause major issues like rot and mold if not handled properly, especially in a humid climate like this.

"Swamp coolers" work well when the humidity is low, but during our storm season in late summer they will not cool enough.

That takes getting the roof fixed, the AC running and probably putting in some dehumidifiers and running them until the wood measures below a reasonable humidity. 

Usually the humidity is oppressive there and rains all the time.

Hey folks!I'm Patrick Booth, a devop from Glastonbury, Connecticut (near Hartford), here with a long overdue introduction. I created an account on BP a couple years ago while I was looking for a property manager for m...

You can tell them below 68 can lead to mold in high humidity areas.2) access the thermostat in between rentals to adjust to a neutral temperature of a gap between guests.3) Have maid close curtains if you know next guest is not coming for a while.5) Apply tint on windows.