An advantage to the Soleus KY-80 is its large capacity overflow bucket. This means less emptying in that moisture laden environment. Also, the unit is equipped to get rid of humidity fast; so the room feels better sooner.
Additionally, the Soleus exhaust system is comprised of a single hose, and therefore, the unit is highly portable and super efficient.
So for the consumer who in investigating air conditioning options that work well in high heat and super humidity conditions and which stay within the household or small business budget, the Soleus KY-80 may be the best portable air conditioner under $400.