Owning an air conditioning system in rented places or apartments can be difficult. Some landlords or companies don't allow modifications to their property. As such, we rely on portable AC units to provide the cooling experience we need. However, most portable aircons still require ductwork or an exhaust hose for proper ventilation. To solve this problem, manufacturers invented ventless portable ACs, or most commonly known as evaporative coolers. Find out more about them by reading this article.